subject:(Stirling Engine)

University of Ontario Institute of Technology

1. Ranieri, Salvatore. Influence of sinusoidal motion on Stirling engines.

Degree: 2018, University of Ontario Institute of Technology

► Stirling engines have a high potential to produce renewable energy due to their ability to use a wide range of sustainable heat sources and their… (more)

Subjects/Keywords: Stirling engine; Efficiency; Thermodynamics; Sinusoidal

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APA (6^th Edition):

Ranieri, S. (2018). Influence of sinusoidal motion on Stirling engines. (Thesis). University of Ontario Institute of Technology. Retrieved from http://hdl.handle.net/10155/1000

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ranieri, Salvatore. “Influence of sinusoidal motion on Stirling engines.” 2018. Thesis, University of Ontario Institute of Technology. Accessed January 20, 2021. http://hdl.handle.net/10155/1000.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ranieri, Salvatore. “Influence of sinusoidal motion on Stirling engines.” 2018. Web. 20 Jan 2021.

Vancouver:

Ranieri S. Influence of sinusoidal motion on Stirling engines. [Internet] [Thesis]. University of Ontario Institute of Technology; 2018. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/10155/1000.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ranieri S. Influence of sinusoidal motion on Stirling engines. [Thesis]. University of Ontario Institute of Technology; 2018. Available from: http://hdl.handle.net/10155/1000

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Toronto

2. Farra, Nicolas. Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol.

Degree: 2010, University of Toronto

URL: http://hdl.handle.net/1807/25573

►

This study examined the performance of a residential micro–cogeneration system based on a Stirling engine and fuelled by diesel and ethanol. An extensive number of… (more)

Subjects/Keywords: Stirling engine; Cogeneration; Ethanol; 0548

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APA (6^th Edition):

Farra, N. (2010). Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/25573

Chicago Manual of Style (16^th Edition):

Farra, Nicolas. “Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol.” 2010. Masters Thesis, University of Toronto. Accessed January 20, 2021. http://hdl.handle.net/1807/25573.

MLA Handbook (7^th Edition):

Farra, Nicolas. “Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol.” 2010. Web. 20 Jan 2021.

Vancouver:

Farra N. Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol. [Internet] [Masters thesis]. University of Toronto; 2010. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/1807/25573.

Council of Science Editors:

Farra N. Efficiency and Emissions Study of a Residential Micro–cogeneration System Based on a Stirling Engine and Fuelled by Diesel and Ethanol. [Masters Thesis]. University of Toronto; 2010. Available from: http://hdl.handle.net/1807/25573

University of Canterbury

3. Postles, Phillip Anthony. Construction and testing of a low temperature differential Stirling engine for power generation 2.

Degree: M. Eng., Electrical Engineering, 2015, University of Canterbury

URL: http://dx.doi.org/10.26021/1439

► This thesis presents the design and construction of a low temperature differential (LTD) Stirling engine for electric power generation. The target energy sources were geothermal,… (more)

▼ This thesis presents the design and construction of a low temperature differential (LTD) Stirling engine for electric power generation. The target energy sources were geothermal, industrial waste heat or solar heated water. These sources would supply a source temperature of around 90 °C. Assuming that the sink is kept at around 20 °C, the engine was designed based on a temperature difference of approximately 70 °C. The initial design and basic structure of the engine was completed in a previous project utilising first order design methods. The goal was to develop a low cost prototype engine capable of producing up to 500W electrical output power. A novel gamma type engine was proposed utilising a rotary reciprocating displacer and industrial steam piping to form a low cost pressurised chamber. This project concentrated on advancing the design and construction towards completion with particular emphasis on the electrical control, measurement/instrumentation components, and gas flow through the regenerator. At the completion of this project the displacer piston actuation system has been redesigned. In order to achieve the displacer’s specified 2 ㎐ actuation, both the displacer’s structure and the actuation system were altered. The displacer’s aluminium shell and foam centre were removed and replaced with a pine superstructure coated in depron foam, reducing the moment of inertia from 0.4488 ㎏ ∙ ㎡ to 0.0984 ㎏ ∙ ㎡. A secondary motor was added to the actuation system to increase the actuation power. The gearing ratio was also altered from 10:1 to 2:1 to increase the peak displacer speed. The regenerator was designed and built to suit the unusual wedge shape requirements of the original design. A ribbed structure was conceived to allow fluid flow to be manipulated within separate sections, producing an even pressure drop over varying regenerator lengths. Simulations were run to optimise both the number of sections and the mass of wire wool to be placed in each segment. The final regenerator design has axial ribs placed at radii of 93, 134, 192, 276 and 392mm, creating four sections. These sections are filled with 0.68, 0.97, 1.40 and 1.90kg of0 mild steel wire wool. As Stirling engines are not self-starting the generator was required to be run as a motor when starting the Stirling engine. To achieve bidirectional flow of current within the starter motor/generator control system, a field oriented control (FOC) inverter from Texas Instruments was purchased and set up to run the 1kW, 3 phase, permanent magnet generator in both motor and generation modes. This will allow the Stirling engine to be brought up to speed with the generator operating as a motor and then switch to generation mode when the motoring current falls below a set limit. Both pressure and temperature measurement systems were developed, constructed and tested in order to collect information about the performance of the engine under operation. Three pressure transducer circuits were designed and constructed with measurement ranges of 10 ㎪, ±0.99 ㎪ and…

Subjects/Keywords: Low temperature differential Stirling engine; LTD Stirling engine

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Postles, P. A. (2015). Construction and testing of a low temperature differential Stirling engine for power generation 2. (Masters Thesis). University of Canterbury. Retrieved from http://dx.doi.org/10.26021/1439

Chicago Manual of Style (16^th Edition):

Postles, Phillip Anthony. “Construction and testing of a low temperature differential Stirling engine for power generation 2.” 2015. Masters Thesis, University of Canterbury. Accessed January 20, 2021. http://dx.doi.org/10.26021/1439.

MLA Handbook (7^th Edition):

Postles, Phillip Anthony. “Construction and testing of a low temperature differential Stirling engine for power generation 2.” 2015. Web. 20 Jan 2021.

Vancouver:

Postles PA. Construction and testing of a low temperature differential Stirling engine for power generation 2. [Internet] [Masters thesis]. University of Canterbury; 2015. [cited 2021 Jan 20]. Available from: http://dx.doi.org/10.26021/1439.

Council of Science Editors:

Postles PA. Construction and testing of a low temperature differential Stirling engine for power generation 2. [Masters Thesis]. University of Canterbury; 2015. Available from: http://dx.doi.org/10.26021/1439

University of North Texas

4. Bagheri, Amirhossein. Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine.

Degree: 2015, University of North Texas

URL: https://digital.library.unt.edu/ark:/67531/metadc822801/

► Stirling engines are an external combustion heat engine that converts thermal energy into mechanical work that a closed cycle is run by cyclic compression and… (more)

▼ Stirling engines are an external combustion heat engine that converts thermal energy into mechanical work that a closed cycle is run by cyclic compression and expansion of a work fluid (commonly air or Helium) in which, the working fluid interacts with a heat source and a heat sink and produces network. The engine is based on the Stirling cycle which is a subset of the Carnot cycle. The Stirling cycle has recently been receiving renewed interest due to some of its key inherent advantages. In particular, the ability to operate with any form of heat source (including external combustion, flue gases, alternative (biomass, solar, geothermal) energy) provides Stirling engines a great flexibility and potential benefits since it is convinced as engines running with external heat sources. However, several aspects of traditional Stirling engine configurations (namely, the Alpha, Beta, and Gamma), specifically complexity of design, high cost, and relatively low power to size and power to volume ratios, limited their widespread applications to date. This study focuses on an innovative Stirling engine configuration that features a rotary displacer (as opposed to common reciprocating displacers), and aims to utilize analytical and numerical analysis to gain insights on its operation parameters. The results are expected to provide useful design guidelines towards optimization. The present study starts with an overview of the Stirling cycle and Stirling engines including both traditional and innovative rotary displacer configurations, and their major advantages and disadvantages. The first approach considers an ideal analytical model and implements the well-known Schmidt analysis assumptions for the rotary displacer Stirling engine to define the effects of major design and operation parameters on the performance. The analytical model resulted in identifying major variables that could affect the engine performance (such as the dead volume spaces, temperature ratios and the leading phase angle). It was shown that the dead volume could have a drastic effect over the engine performance and the optimum phase angle of the engine is 90o. The second approach considers a non-ideal analytical model and aims to identify and account the main sources of energy losses in the cycle to better represent the engine performance. The study showed that the ideal efficiency and the non-ideal efficiency could have 15% difference that could have as an enormous effect on the engine performance. Advisors/Committee Members: Bostanci, Huseyin, Nasrazadane, Seifollah, Foster, Phillip R., Akcayoglu, Azize.

Subjects/Keywords: Stirling engine; Schmidt analysis; thermodynamics; Stirling engines – Design and construction.

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APA (6^th Edition):

Bagheri, A. (2015). Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine. (Thesis). University of North Texas. Retrieved from https://digital.library.unt.edu/ark:/67531/metadc822801/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bagheri, Amirhossein. “Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine.” 2015. Thesis, University of North Texas. Accessed January 20, 2021. https://digital.library.unt.edu/ark:/67531/metadc822801/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bagheri, Amirhossein. “Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine.” 2015. Web. 20 Jan 2021.

Vancouver:

Bagheri A. Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine. [Internet] [Thesis]. University of North Texas; 2015. [cited 2021 Jan 20]. Available from: https://digital.library.unt.edu/ark:/67531/metadc822801/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bagheri A. Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine. [Thesis]. University of North Texas; 2015. Available from: https://digital.library.unt.edu/ark:/67531/metadc822801/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Vanderbilt University

5. Winkelmann, Anna. Design, Modeling, and Experimental Validation of a Stirling Engine with a Controlled Displacer Piston.

Degree: MS, Mechanical Engineering, 2015, Vanderbilt University

URL: http://hdl.handle.net/1803/10723

► This work presents the design, first-principles model, and experimental setup of a Stirling pressurizer. The Stirling pressurizer is a Stirling engine with an independently controlled… (more)

Subjects/Keywords: Stirling Engine; high energy density power supply

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APA (6^th Edition):

Winkelmann, A. (2015). Design, Modeling, and Experimental Validation of a Stirling Engine with a Controlled Displacer Piston. (Thesis). Vanderbilt University. Retrieved from http://hdl.handle.net/1803/10723

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Winkelmann, Anna. “Design, Modeling, and Experimental Validation of a Stirling Engine with a Controlled Displacer Piston.” 2015. Thesis, Vanderbilt University. Accessed January 20, 2021. http://hdl.handle.net/1803/10723.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Winkelmann, Anna. “Design, Modeling, and Experimental Validation of a Stirling Engine with a Controlled Displacer Piston.” 2015. Web. 20 Jan 2021.

Vancouver:

Winkelmann A. Design, Modeling, and Experimental Validation of a Stirling Engine with a Controlled Displacer Piston. [Internet] [Thesis]. Vanderbilt University; 2015. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/1803/10723.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Winkelmann A. Design, Modeling, and Experimental Validation of a Stirling Engine with a Controlled Displacer Piston. [Thesis]. Vanderbilt University; 2015. Available from: http://hdl.handle.net/1803/10723

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Ontario Institute of Technology

6. Nielsen, Anders S. Enhancing the effectiveness of Stirling engine regenerators.

Degree: 2019, University of Ontario Institute of Technology

URL: http://hdl.handle.net/10155/1034

► A discrete heat transfer model is developed to determine which parameters influence the effectiveness of Stirling engine regenerators and quantify how they influence it. It… (more)

Subjects/Keywords: Stirling engine; Efficiency; Regenerator; Effectiveness; Heat transfer

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APA (6^th Edition):

Nielsen, A. S. (2019). Enhancing the effectiveness of Stirling engine regenerators. (Thesis). University of Ontario Institute of Technology. Retrieved from http://hdl.handle.net/10155/1034

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Nielsen, Anders S. “Enhancing the effectiveness of Stirling engine regenerators.” 2019. Thesis, University of Ontario Institute of Technology. Accessed January 20, 2021. http://hdl.handle.net/10155/1034.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Nielsen, Anders S. “Enhancing the effectiveness of Stirling engine regenerators.” 2019. Web. 20 Jan 2021.

Vancouver:

Nielsen AS. Enhancing the effectiveness of Stirling engine regenerators. [Internet] [Thesis]. University of Ontario Institute of Technology; 2019. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/10155/1034.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Nielsen AS. Enhancing the effectiveness of Stirling engine regenerators. [Thesis]. University of Ontario Institute of Technology; 2019. Available from: http://hdl.handle.net/10155/1034

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Maryland

7. Shrestha, Dibesh. Numerical and Experimental Studies on Free Piston Stirling Engines.

Degree: Mechanical Engineering, 2012, University of Maryland

URL: http://hdl.handle.net/1903/12817

► Free piston Stirling engine (FPSE) is a closed cycle engine that converts thermal energy into mechanical energy. The focus of this thesis is on understanding… (more)

Subjects/Keywords: Mechanical engineering; Alternative energy; FPSE; free piston stirling engine; magnetic spring; schmidt analysis; Stirling engine

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Shrestha, D. (2012). Numerical and Experimental Studies on Free Piston Stirling Engines. (Thesis). University of Maryland. Retrieved from http://hdl.handle.net/1903/12817

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Shrestha, Dibesh. “Numerical and Experimental Studies on Free Piston Stirling Engines.” 2012. Thesis, University of Maryland. Accessed January 20, 2021. http://hdl.handle.net/1903/12817.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Shrestha, Dibesh. “Numerical and Experimental Studies on Free Piston Stirling Engines.” 2012. Web. 20 Jan 2021.

Vancouver:

Shrestha D. Numerical and Experimental Studies on Free Piston Stirling Engines. [Internet] [Thesis]. University of Maryland; 2012. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/1903/12817.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Shrestha D. Numerical and Experimental Studies on Free Piston Stirling Engines. [Thesis]. University of Maryland; 2012. Available from: http://hdl.handle.net/1903/12817

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

8. Li, Ruijie. Applications of Stirling engine in sustainable development : context-experimental and numerical study : Applications du moteur Stirling dans un contexte de développement durable : étude numérique et expérimentale.

Degree: Docteur es, Energétique, génie des procédés, 2017, Université Paris X – Nanterre

URL: http://www.theses.fr/2017PA100066

► Dans ce travail, un moteur Stirling de type Gamma alimenté par énergie solaire avec une faible différence de température a été étudié numériquement et expérimentalement.… (more)

▼ Dans ce travail, un moteur Stirling de type Gamma alimenté par énergie solaire avec une faible différence de température a été étudié numériquement et expérimentalement. Un nouveau modèle appelé Polytropic Stirling Model with Losses (PSML) a été proposé et appliqué au moteur GPU-3 Stirling. Un cryoréfrigérateur basé sur un moteur Stirling intégral de type Alpha a été étudié numériquement, après avoir mesuré ses dimensions géométriques au laboratoire. Pour le moteur Stirling de type gamma du laboratoire, le modèle ait thermodynamique à vitesse finie et le modèle isotherme a été développé, incluant les bilans de masse et d’énergie à travers les différents volumes (compression, régénération et expansion) dans le moteur. Différents types de pertes thermiques et mécaniques ont été considérés dans le modèle afin d'analyser les processus thermodynamiques et les pertes dans le moteur Stirling. En outre, des études paramétriques sur les performances du moteur Stirling alimenté à l’énergie solaire ont également été étudiées expérimentalement et numériquement. La comparaison entre les résultats expérimentaux et les résultats de simulation à différents déphasages entre le déplaceur et le piston, et à différentes course de piston montre que le modèle est convaincant dans la prédiction des performances du moteur Stirling. Basé sur la méthode thermodynamique en dimension physique finie, une méthode d’algorithme génétique multi-objectives, objectifs étant la puissance fournie, le rendement énergétique et le taux de génération d'entropie a été utilisé pour optimiser la fonction et la géométrie du moteur du type Gamma. En comparant avec la méthode d'optimisation écologique, la méthode multi-objectif permet de mieux équilibrer les trois objectifs. Le nouveau modèle (PSML) proposé pour prédire les performances du moteur de type Bêta ou Gamma du moteur Stirling, il divise l'espace de travail en 5 parties (volume de compression, refroidisseur, régénérateur, chauffage et volume d'extension). Une liaison entre volume de compression et volume d'extension a été ajoutée dans le modèle adiabatique classique du moteur Stirling. Ainsi, des processus polytropiques ont été considérés dans les volumes de compression et d'expansion du moteur Stirling. Le moteur Stirling GPU-3 a été utilisé pour valider le nouveau modèle. Il a été démontré que le nouveau modèle (PSML) prédit correctement la puissance de sortie et le rendement du moteur. Dans la dernière partie de la thèse, un Cryorefroidisseur Stirling de type Alpha, a été étudié en utilisant un modèle isotherme prenant en considération différentes pertes. Les volumes de compression et d'expansion sont considérés isothermes, et la variation de la température du régénérateur est considéré linéaire. Les bilans d'énergie et d'exergie du Cryorefroidisseur ont été réalisés, et l'effet de divers paramètres sur la performance (puissance de refroidissement et puissance mécanique consommée) est étudié. Les résultats de la simulation pour PPG-102 Stirling cryocooler ont été comparés avec deux autres résultats… Advisors/Committee Members: Grosu, Lavinia (thesis director).

Subjects/Keywords: Moteur Stirling; Réfrigérateur cryogénique Stirling; Isotherme; Polytroptique; Multi-Objectifs optimisation; Exergie; Stirling engine; Stirling cryocooler; Isothermal; Polytropic; Multi-Objective optimization; Exergy

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Li, R. (2017). Applications of Stirling engine in sustainable development : context-experimental and numerical study : Applications du moteur Stirling dans un contexte de développement durable : étude numérique et expérimentale. (Doctoral Dissertation). Université Paris X – Nanterre. Retrieved from http://www.theses.fr/2017PA100066

Chicago Manual of Style (16^th Edition):

Li, Ruijie. “Applications of Stirling engine in sustainable development : context-experimental and numerical study : Applications du moteur Stirling dans un contexte de développement durable : étude numérique et expérimentale.” 2017. Doctoral Dissertation, Université Paris X – Nanterre. Accessed January 20, 2021. http://www.theses.fr/2017PA100066.

MLA Handbook (7^th Edition):

Li, Ruijie. “Applications of Stirling engine in sustainable development : context-experimental and numerical study : Applications du moteur Stirling dans un contexte de développement durable : étude numérique et expérimentale.” 2017. Web. 20 Jan 2021.

Vancouver:

Li R. Applications of Stirling engine in sustainable development : context-experimental and numerical study : Applications du moteur Stirling dans un contexte de développement durable : étude numérique et expérimentale. [Internet] [Doctoral dissertation]. Université Paris X – Nanterre; 2017. [cited 2021 Jan 20]. Available from: http://www.theses.fr/2017PA100066.

Council of Science Editors:

Li R. Applications of Stirling engine in sustainable development : context-experimental and numerical study : Applications du moteur Stirling dans un contexte de développement durable : étude numérique et expérimentale. [Doctoral Dissertation]. Université Paris X – Nanterre; 2017. Available from: http://www.theses.fr/2017PA100066

University of Canterbury

9. Gopal, Vinod Kumar. Active Stirling Engine.

Degree: PhD, Electrical Engineering, 2012, University of Canterbury

URL: http://dx.doi.org/10.26021/1252

► Micro Combined Heat and Power systems or microCHP systems generate heat and electricity for a home. Stirling engines are widely used as prime movers in… (more)

▼ Micro Combined Heat and Power systems or microCHP systems generate heat and electricity for a home. Stirling engines are widely used as prime movers in microCHP applications. Stirling engine is an external combustion engine having an enclosed working fluid (as helium) that is alternately compressed and expanded to operate a piston. The displacer shuttles the working fluid between the hot and cold ends. The piston is coupled to a transmission and to an electrical machine to generate power. Conventional Stirling engines are not controllable to a great degree. The piston and displacer are connected to the same crank and they maintain the same phase difference throughout the cycle. Also the piston and displacer are normally constructed to move in a sinusoidal fashion. The Active Stirling Engine is a new concept introduced in this thesis which has a free displacer. The displacer is driven separately compared to a coupled drive in conventional Stirling engines. The displacer motion can be non-linear with dwell at each ends of the stroke, opening up the possibilities to increase the pressure volume diagram which indicates the work done by the engine. A separately driven displacer also allows introducing phase control and stroke control to improve the controllability of a Stirling engine. This thesis examines the effect of non-linear displacer motion and phase control of the displacer on Stirling engine performance. Simulations are performed in Sage, the leading Stirling engine simulation software, to understand the effect of displacer phase control. A test rig is constructed with the actively controlled displacer connected to a linear machine controlled by a programmable servo. Heat is applied to the test rig though an electric heating coil. The test rig is charged with nitrogen at 20Bar pressure. The power piston is connected to a rotating electrical machine via the transmission. The rotating electrical machine is used to start the engine and to act as the generator. The test rig is instrumented to determine the linear position of the displacer and piston, angular position of the rotating electrical machine shaft, temperatures, pressures and flow. A LabVIEW™ based data acquisition system is set up to capture data from the test rig. Data is collected at various test cases. The simulation result is compared against post processed data. An efficiency improvement of 15% is achieved using this method and is demonstrated experimentally. Applications in micro combined heat and power systems utilising the improved efficiency due to non linear motion and controllability due to phase control are explored in this thesis.

Subjects/Keywords: Active Stirling Engine; phase control of Stirling engine; non-linear control of Stirling engine; microCHP control; high efficiency Stirling engine; hybrid Stirling engine; displacer control; dwell control Stirling engine; displacer dwell

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APA (6^th Edition):

Gopal, V. K. (2012). Active Stirling Engine. (Doctoral Dissertation). University of Canterbury. Retrieved from http://dx.doi.org/10.26021/1252

Chicago Manual of Style (16^th Edition):

Gopal, Vinod Kumar. “Active Stirling Engine.” 2012. Doctoral Dissertation, University of Canterbury. Accessed January 20, 2021. http://dx.doi.org/10.26021/1252.

MLA Handbook (7^th Edition):

Gopal, Vinod Kumar. “Active Stirling Engine.” 2012. Web. 20 Jan 2021.

Vancouver:

Gopal VK. Active Stirling Engine. [Internet] [Doctoral dissertation]. University of Canterbury; 2012. [cited 2021 Jan 20]. Available from: http://dx.doi.org/10.26021/1252.

Council of Science Editors:

Gopal VK. Active Stirling Engine. [Doctoral Dissertation]. University of Canterbury; 2012. Available from: http://dx.doi.org/10.26021/1252

Purdue University

10. Mathur, Adhiraj B. STIRLOCHARGER POWERED BY EXHAUST HEAT FOR HIGH EFFICIENCY COMBUSTION AND ELECTRIC GENERATION.

Degree: MSME, Engineering Technology, 2015, Purdue University

URL: https://docs.lib.purdue.edu/open_access_theses/1153

► Stirling engines have been in existence since the early 1900s, and have been of little study in the recent years. Stirling engines are low power,… (more)

Subjects/Keywords: Inernal Combustion Engine; Stirling Engine; Stirlocharger; Supercharger; Turbocharger; Waste Heat Recovery

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APA (6^th Edition):

Mathur, A. B. (2015). STIRLOCHARGER POWERED BY EXHAUST HEAT FOR HIGH EFFICIENCY COMBUSTION AND ELECTRIC GENERATION. (Thesis). Purdue University. Retrieved from https://docs.lib.purdue.edu/open_access_theses/1153

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Mathur, Adhiraj B. “STIRLOCHARGER POWERED BY EXHAUST HEAT FOR HIGH EFFICIENCY COMBUSTION AND ELECTRIC GENERATION.” 2015. Thesis, Purdue University. Accessed January 20, 2021. https://docs.lib.purdue.edu/open_access_theses/1153.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Mathur, Adhiraj B. “STIRLOCHARGER POWERED BY EXHAUST HEAT FOR HIGH EFFICIENCY COMBUSTION AND ELECTRIC GENERATION.” 2015. Web. 20 Jan 2021.

Vancouver:

Mathur AB. STIRLOCHARGER POWERED BY EXHAUST HEAT FOR HIGH EFFICIENCY COMBUSTION AND ELECTRIC GENERATION. [Internet] [Thesis]. Purdue University; 2015. [cited 2021 Jan 20]. Available from: https://docs.lib.purdue.edu/open_access_theses/1153.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mathur AB. STIRLOCHARGER POWERED BY EXHAUST HEAT FOR HIGH EFFICIENCY COMBUSTION AND ELECTRIC GENERATION. [Thesis]. Purdue University; 2015. Available from: https://docs.lib.purdue.edu/open_access_theses/1153

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

11. Craun, Mitchel John. Modeling and Control of an Actuated Stirling Engine.

Degree: 2015, University of California – eScholarship, University of California

URL: http://www.escholarship.org/uc/item/2tk2v9kj

► This work proposes a new Stirling engine design which we refer to as an actuated Stirling engine. The thermodynamic cycle which drives the engine is… (more)

▼ This work proposes a new Stirling engine design which we refer to as an actuated Stirling engine. The thermodynamic cycle which drives the engine is controlled by the motion of the displacer piston. In traditional designs this motion is a result the design parameters of the engine. In the Beta engine design the motion of the displacer is determined by the design of the flywheel, while in a free piston design the motion is determined by the restorative force applied to the displacer (be that from a gas spring used in some designs or a mechanical spring used in others). This work proposes a new design wherein the displacer motion is directly controlled via an actuator. This allows for more direct control over the thermodynamic process which drives the engine. To answer the question of how well this engine design compares to a more traditional engine, the best possible design of both engines are compared to one another. This requires optimizing not only the proposed design, but the more traditional design as well. The traditional Beta engine design is chosen as the benchmark with which the actuated design is compared to. Optimizing the design of the Beta engine is a standard parameter optimization problem, as the motion of the pistons is determined by the flywheel parameters. Optimizing the actuated engine is more difficult as it requires finding the optimal trajectory of the displacer, which is an optimal control problem.This work is divided into two sections. In the first section the problem of optimally designing both the actuated and Beta engine designs is solved using a very simple of the Stirling engine, the isothermal (or Schmidt) model. In the second section the same design problem is solved but with a much higher fidelity engine model. The large state dimension of the high fidelity model makes it ill suited for use in an optimization algorithm. To resolve this, a method of model reduction is proposed and applied to the high fidelity model to yield a reduced model more suitable for use in an optimization algorithm. For both the simple isothermal and high fidelity models it is shown that the actuated design has the potential to significantly outperform the more traditional Beta engine design.

Subjects/Keywords: Mechanical engineering; Engine; Model; Optimization; Reduction; Stirling Engine

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Craun, M. J. (2015). Modeling and Control of an Actuated Stirling Engine. (Thesis). University of California – eScholarship, University of California. Retrieved from http://www.escholarship.org/uc/item/2tk2v9kj

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Craun, Mitchel John. “Modeling and Control of an Actuated Stirling Engine.” 2015. Thesis, University of California – eScholarship, University of California. Accessed January 20, 2021. http://www.escholarship.org/uc/item/2tk2v9kj.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Craun, Mitchel John. “Modeling and Control of an Actuated Stirling Engine.” 2015. Web. 20 Jan 2021.

Vancouver:

Craun MJ. Modeling and Control of an Actuated Stirling Engine. [Internet] [Thesis]. University of California – eScholarship, University of California; 2015. [cited 2021 Jan 20]. Available from: http://www.escholarship.org/uc/item/2tk2v9kj.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Craun MJ. Modeling and Control of an Actuated Stirling Engine. [Thesis]. University of California – eScholarship, University of California; 2015. Available from: http://www.escholarship.org/uc/item/2tk2v9kj

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

12. Vinicius Guimarães da Cruz. Desenvolvimento experimental de um motor stirling tipo gama.

Degree: 2012, Universidade Federal da Paraíba

URL: http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2538

►

O presente trabalho consiste no desenvolvimento experimental de um motor Stirling tipo gama. São apresentadas inicialmente as diferentes configurações deste tipo de motor (alfa, gama… (more)

▼

O presente trabalho consiste no desenvolvimento experimental de um motor Stirling tipo gama. São apresentadas inicialmente as diferentes configurações deste tipo de motor (alfa, gama e beta), a definição do ciclo de Stirling e a modelagem matemática para cada configuração. Uma análise matemática é feita através da teoria de Schmidt, que é um método baseado na compressão e expansão isotérmica de um gás ideal, implementada em programa computacional permitindo determinar a dependência entre os parâmetros construtivos e de funcionamento do motor. A revisão bibliográfica contempla as principais configurações de motores Stirling e várias condições de funcionamento, alimentados por diversos tipos de combustíveis. A parte experimental do trabalho é a montagem de um protótipo de motor Stirling tipo gama sem regenerador tendo o ar como fluido de trabalho, utilizando resistências elétricas como fonte de calor e um fluxo de água a temperatura ambiente para o resfriamento do trocador de calor de compressão. Os testes do motor serão realizados a pressão atmosférica, para temperaturas de 100 a 600 C e rotações de 100 a 400 rpm, os resultados são apresentados em gráficos e discutidos.

The current paper develops an experimental Stirling engine Gama type. Different settings of this type of engine are presented (alpha, beta and gamma), along with the Stirling Cycle Definition and the mathematical modeling for each setting. Its been Proceed a mathematical analysis based on the Stirling Theory, which is the method based upon the isothermical compression and expansion of an ideal gas, put to analysis by a computer software, determining the dependency between the engines construction and functioning parameters. Bibliography used takes over the main Stirling engine settings and various working conditions, fed by a numerous types of fuels. The experimental part of the paper is assembling of a Stirling engine gamma type containing no regenerator, therefore, having the air as its working fluid, using electrical resistances as heat source, also a water jet at ambiance temperature to cool down the compression and heat exchanger. Engine tests were performed at atmospheric pressure, temperatures from 100 to 600 C, 100 to 400 rpm rotations. The results are presented in graphics and are questioned.

Advisors/Committee Members: José Maurício Alves de Matos Gurgel.

Subjects/Keywords: Teorema de Schmidt; Ciclo de Stirling; Motor de ar quente; Motor de Stirling; MECANICA, ELASTICIDADE E REOLOGIA; Schmidts Theory; Stirling Cycle; Stirling Engine; Hot Air Engine

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Cruz, V. G. d. (2012). Desenvolvimento experimental de um motor stirling tipo gama. (Thesis). Universidade Federal da Paraíba. Retrieved from http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2538

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Cruz, Vinicius Guimarães da. “Desenvolvimento experimental de um motor stirling tipo gama.” 2012. Thesis, Universidade Federal da Paraíba. Accessed January 20, 2021. http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2538.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Cruz, Vinicius Guimarães da. “Desenvolvimento experimental de um motor stirling tipo gama.” 2012. Web. 20 Jan 2021.

Vancouver:

Cruz VGd. Desenvolvimento experimental de um motor stirling tipo gama. [Internet] [Thesis]. Universidade Federal da Paraíba; 2012. [cited 2021 Jan 20]. Available from: http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2538.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Cruz VGd. Desenvolvimento experimental de um motor stirling tipo gama. [Thesis]. Universidade Federal da Paraíba; 2012. Available from: http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2538

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

13. Blaha, Josef. Stirlingův motor: Stirling Engine.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/16549

► This dissertation discusses Stirling’s cycle and its contribution using different approaches. There are calculation of Schmidt’s theory and distinctiveness between ideal and real cycle described.… (more)

Subjects/Keywords: Stirlingův motor; Schmidtova teorie; modelování Stirlingova cyklu; Stirling engine; Schmidt theory; simulation of Stirling cycle

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Blaha, J. (2019). Stirlingův motor: Stirling Engine. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/16549

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Blaha, Josef. “Stirlingův motor: Stirling Engine.” 2019. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/16549.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Blaha, Josef. “Stirlingův motor: Stirling Engine.” 2019. Web. 20 Jan 2021.

Vancouver:

Blaha J. Stirlingův motor: Stirling Engine. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/16549.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Blaha J. Stirlingův motor: Stirling Engine. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/16549

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

14. Luis Paulo Silveira Machado. Propagação do momento linear e energia cinética em cadeias granulares afiladas.

Degree: 2011, Universidade Federal da Paraíba

URL: http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2536

►

Recentemente, cadeias granulares afiladas tem sido objeto de estudo para o desenvolvimento de dispositivos absorvedores de impacto (ondas de choque). A caracterıstica deste sistema em… (more)

▼

Recentemente, cadeias granulares afiladas tem sido objeto de estudo para o desenvolvimento de dispositivos absorvedores de impacto (ondas de choque). A caracterıstica deste sistema em atenuar ondas de choque (pulsos de momento linear), torna este material um excelente candidato para tais absorvedores. Assim, vários estudos neste sentido foram realizados, porem a maioria são de caráter numérico e, alguns, analıticos. Todavia, as aproximaçoes analıticas apresentadas não demonstram bons ajustes com soluções numericas. Neste trabalho estudamos analiticamente a propagação do momento linear e energia cinetica em cadeias afiladas unidimensionais de graos esfericos que interagem segundo o potencial de Hertz. Aplicamos a aproximaçao binaria, baseada na suposiçao que a energia transferida ao longo da cadeia ocorre atraves de colisoes sucessivas entre duas partıculas. Estudamos quatro configuraçoes de afilamento: linear para frente, exponencial para frente, linear para tras e exponencial para tras. Com a Teoria Binaria, prevemos corretamente as tendencias de aumento e diminuiçao das propagaçoes do momento linear e energia cinetica. Contudo, para capturarmos os valores corretos das amplitudes dos pulsos dessas grandezas desenvolvemos uma correçao numerico-analıtica para as velocidades das partıculas. Confrontamos os resultados com soluçoes numericas das equaçoes de movimento, onde utilizamos o metodo de Runge-Kutta de quarta ordem. Os resultados demonstram: bom acordo entre as teorias analıtica e numerica; as cadeias afiladas exponencialmente para frente são as mais indicadas nos projetos de absorvedores (apresentam decaimento exponencial do momento linear); um cenario mais fraco para a propagação da energia cinetica (devido a dependencia quadratica com a velocidade), porem o momento linear e a grandeza relevante no contexto de impactos. Alem disso, obtivemos bom acordo com resultados experimentais apresentados por F. Melo e colaboradores (2006). Dessa forma, apresentamos expressoes analıticas que capturam corretamente as propagaçoes de momento linear e energia cinetica em cadeias granulares afiladas. Estes sistemas, realmente demonstram serem excelentes para absorver ondas de choque, atenuando pulsos de momento linear e saturando pulsos de energia cinetica.Uma extensao deste trabalho sera estudar cadeias decoradas afiladas com pre-compressao, que permitem a absorçao de ondas de choque com numero menor de graos nas cadeias (cadeias curtas).

Recently, tapered granular chains have been studied for the development of impact-absorbing devices (shock waves). The characteristic of this system to mitigate shock waves (pulses of linear momentum), makes this material an excellent candidate for such absorbers. Therefore, many studies have been conducted in this direction, but most are numeric character, and some analytical. However, the analytical approximations presented do not show good fits with numerical solutions. In this work we study analytically the propagation of linear momentum and…

Advisors/Committee Members: Alexandre da Silva Rosas.

Subjects/Keywords: cadeia granular afilada; propagação de pulsos; energia cinética; momento linear; FISICA; Stirling Engine; Hot Air Engine; Stirling Cycle; Schmidts Theory

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Machado, L. P. S. (2011). Propagação do momento linear e energia cinética em cadeias granulares afiladas. (Thesis). Universidade Federal da Paraíba. Retrieved from http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2536

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Machado, Luis Paulo Silveira. “Propagação do momento linear e energia cinética em cadeias granulares afiladas.” 2011. Thesis, Universidade Federal da Paraíba. Accessed January 20, 2021. http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2536.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Machado, Luis Paulo Silveira. “Propagação do momento linear e energia cinética em cadeias granulares afiladas.” 2011. Web. 20 Jan 2021.

Vancouver:

Machado LPS. Propagação do momento linear e energia cinética em cadeias granulares afiladas. [Internet] [Thesis]. Universidade Federal da Paraíba; 2011. [cited 2021 Jan 20]. Available from: http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2536.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Machado LPS. Propagação do momento linear e energia cinética em cadeias granulares afiladas. [Thesis]. Universidade Federal da Paraíba; 2011. Available from: http://bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquivo=2536

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

15. Němec, Jan. Studie Stirlingova motoru: Study of Stirling Engine.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/27627

► This work deals with the structural design of the Stirling engine beta modifications for increasing the thermal efficiency of the regenerator. This work is an… (more)

Subjects/Keywords: Robert Stirling; Stirlingův motor; beta modifikace Stirlingova motoru; Schmidtova metoda pro beta modifikaci; regenerátor Stirlingova motoru.; Robert Stirling; Stirling engine; beta Stirling engine modifications; Schmidt method for beta modification; Stirling engine regenerator.

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Němec, J. (2019). Studie Stirlingova motoru: Study of Stirling Engine. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/27627

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Němec, Jan. “Studie Stirlingova motoru: Study of Stirling Engine.” 2019. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/27627.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Němec, Jan. “Studie Stirlingova motoru: Study of Stirling Engine.” 2019. Web. 20 Jan 2021.

Vancouver:

Němec J. Studie Stirlingova motoru: Study of Stirling Engine. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/27627.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Němec J. Studie Stirlingova motoru: Study of Stirling Engine. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/27627

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Mississippi State University

16. Harrod, James C. THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS.

Degree: PhD, Mechanical Engineering, 2010, Mississippi State University

URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-11042010-124649/ ;

► The goal of this study is to assess the potential of the Stirling engine in alternative energy applications including combined cooling, heating, and power… (more)

Subjects/Keywords: thermodynamics; CCHP; Stirling engine

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APA (6^th Edition):

Harrod, J. C. (2010). THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS. (Doctoral Dissertation). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-11042010-124649/ ;

Chicago Manual of Style (16^th Edition):

Harrod, James C. “THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS.” 2010. Doctoral Dissertation, Mississippi State University. Accessed January 20, 2021. http://sun.library.msstate.edu/ETD-db/theses/available/etd-11042010-124649/ ;.

MLA Handbook (7^th Edition):

Harrod, James C. “THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS.” 2010. Web. 20 Jan 2021.

Vancouver:

Harrod JC. THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS. [Internet] [Doctoral dissertation]. Mississippi State University; 2010. [cited 2021 Jan 20]. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-11042010-124649/ ;.

Council of Science Editors:

Harrod JC. THE STIRLING ENGINE: THERMODYNAMICS AND APPLICATIONS IN COMBINED COOLING, HEATING, AND POWER SYSTEMS. [Doctoral Dissertation]. Mississippi State University; 2010. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-11042010-124649/ ;

Stellenbosch University

17. Joubert, Louis Hoogenhout. Design optimisation of a transverse flux linear oscillating generator for resonant free-piston Stirling applications.

Degree: MSc, Electrical and Electronic Engineering, 2015, Stellenbosch University

URL: http://hdl.handle.net/10019.1/96849

►

ENGLISH ABSTRACT: The design optimisation of a linear oscillatory electric generator for application in freepiston Stirling engines is described in this thesis. A basic overview… (more)

▼

ENGLISH ABSTRACT: The design optimisation of a linear oscillatory electric generator for application in freepiston Stirling engines is described in this thesis. A basic overview of free-piston Stirling engine technology is given by firstly providing a brief description of the operation of the heat engine. The applications of free-piston Stirling engines in industry are given and the proposed future applications are described. Different types of electrical machine designs from industry and academia are evaluated in a literature study. A classification structure is also proposed based on the magnetic flux variation within the designs. Based on the literature study, a transverse flux, single-phase, moving magnet, tubular topology was chosen for investigation. Athree dimensional finite element simulation was chosen as the most appropriatemethod to model the linear electrical machine. A commercial simulation package was called from a simulation script and the outputs from the finite element simulation were again used to calculate the electrical machine performance parameters using the instantaneous voltageand current values. A sequential quadratic programming algorithm was used to perform optimisation of the machine topologies, with the optimisation variables being dimensional parameters that describe the machine geometry and the goal of the optimisation to minimise the active mass of the machine, while maintaining preset minima for the output power and the efficiency. The machine was optimised for a number of different translator configurations and the different configurations were analysed and compared. It was found that a quasi-Halbach arrangement of the permanent magnets yielded the lowest overall active mass. A comparative study is also presented, where this quasi-Halbach variant is compared to a commercial machine. It was found that the linear machine design with a quasi-Halbach arrangement compares well with the commercial machine. A prototype and test bed was designed and constructed. Due to manufacuring difficulties however, the machine could not be completed in time for testing.

AFRIKAANSE OPSOMMING: Die ontwerpsoptimering van ’n lineêre ossillerende elektriese generator vir toepassing in vrysuier Stirling enjins word beskryf in hierdie tesis. ’n Basiese oorsig van vrysuier Stirling enjin tegnologie word gegee deur eerstens ’n kort beskrywing te gee van die werking van die hitte-enjin. Die aanwending van vrysuier Stirling enjins in industrie word gegee en voorgestelde toekomstige toepassings word beskryf. Verskillende tipes elektriese masjien ontwerpe vanuit die industrie en die akademie word geëvalueer in ’n literatuurstudie. ’n Klassifiseringstruktuur, gebaseer op die magnetiese vloedverandering in die ontwerpe, word ook voorgestel. ’n Transverse vloed, enkelfase, bewegende magneet, tubulêre topologie is gekies vir die ondersoek, gebaseer op die onder andere die literatuurstudie. ’n Drie-dimensionele eindige element simulasie is gekies as die mees geskikte metode om die…

Advisors/Committee Members: Strauss, Johann M., Stellenbosch University. Faculty of Engineering. Dept. of Electrical and Electronic Engineering..

Subjects/Keywords: Linear oscillating generator – Design optimisation; Free-piston Stirling engine technology; UCTD

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Joubert, L. H. (2015). Design optimisation of a transverse flux linear oscillating generator for resonant free-piston Stirling applications. (Masters Thesis). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/96849

Chicago Manual of Style (16^th Edition):

Joubert, Louis Hoogenhout. “Design optimisation of a transverse flux linear oscillating generator for resonant free-piston Stirling applications.” 2015. Masters Thesis, Stellenbosch University. Accessed January 20, 2021. http://hdl.handle.net/10019.1/96849.

MLA Handbook (7^th Edition):

Joubert, Louis Hoogenhout. “Design optimisation of a transverse flux linear oscillating generator for resonant free-piston Stirling applications.” 2015. Web. 20 Jan 2021.

Vancouver:

Joubert LH. Design optimisation of a transverse flux linear oscillating generator for resonant free-piston Stirling applications. [Internet] [Masters thesis]. Stellenbosch University; 2015. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/10019.1/96849.

Council of Science Editors:

Joubert LH. Design optimisation of a transverse flux linear oscillating generator for resonant free-piston Stirling applications. [Masters Thesis]. Stellenbosch University; 2015. Available from: http://hdl.handle.net/10019.1/96849

University of Toronto

18. Khan, Umer. Efficiency and Emissions Study of a Residential Micro-cogeneration System based on a Modified Stirling Engine and Fuelled by a Wood Derived Fas Pyrolysis Liquid-ethanol Blend.

Degree: 2012, University of Toronto

URL: http://hdl.handle.net/1807/33268

►

A residential micro-cogeneration system based on a Stirling engine unit was modified to operate with wood derived fast pyrolysis liquid (bio-oil)-ethanol blend. A pilot stabilized… (more)

Subjects/Keywords: Stirling engine; bio-oil; fast pyrolysis liquid; 0548

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Khan, U. (2012). Efficiency and Emissions Study of a Residential Micro-cogeneration System based on a Modified Stirling Engine and Fuelled by a Wood Derived Fas Pyrolysis Liquid-ethanol Blend. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/33268

Chicago Manual of Style (16^th Edition):

Khan, Umer. “Efficiency and Emissions Study of a Residential Micro-cogeneration System based on a Modified Stirling Engine and Fuelled by a Wood Derived Fas Pyrolysis Liquid-ethanol Blend.” 2012. Masters Thesis, University of Toronto. Accessed January 20, 2021. http://hdl.handle.net/1807/33268.

MLA Handbook (7^th Edition):

Khan, Umer. “Efficiency and Emissions Study of a Residential Micro-cogeneration System based on a Modified Stirling Engine and Fuelled by a Wood Derived Fas Pyrolysis Liquid-ethanol Blend.” 2012. Web. 20 Jan 2021.

Vancouver:

Khan U. Efficiency and Emissions Study of a Residential Micro-cogeneration System based on a Modified Stirling Engine and Fuelled by a Wood Derived Fas Pyrolysis Liquid-ethanol Blend. [Internet] [Masters thesis]. University of Toronto; 2012. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/1807/33268.

Council of Science Editors:

Khan U. Efficiency and Emissions Study of a Residential Micro-cogeneration System based on a Modified Stirling Engine and Fuelled by a Wood Derived Fas Pyrolysis Liquid-ethanol Blend. [Masters Thesis]. University of Toronto; 2012. Available from: http://hdl.handle.net/1807/33268

Brno University of Technology

19. Smékal, Tomáš. Hnací mechanismus Stirlingova motoru: Crankshaft mechanism of Stirling engine.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/20120

► This article contains description of basic principles of stirling engine, construction types and its parts, which supplies motor run and description of using in real… (more)

Subjects/Keywords: stirlingův motor; hnací mechanismus; stirling engine; crankshaft mechanism

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Smékal, T. (2019). Hnací mechanismus Stirlingova motoru: Crankshaft mechanism of Stirling engine. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/20120

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Smékal, Tomáš. “Hnací mechanismus Stirlingova motoru: Crankshaft mechanism of Stirling engine.” 2019. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/20120.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Smékal, Tomáš. “Hnací mechanismus Stirlingova motoru: Crankshaft mechanism of Stirling engine.” 2019. Web. 20 Jan 2021.

Vancouver:

Smékal T. Hnací mechanismus Stirlingova motoru: Crankshaft mechanism of Stirling engine. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/20120.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Smékal T. Hnací mechanismus Stirlingova motoru: Crankshaft mechanism of Stirling engine. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/20120

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Cleveland State University

20. Vodhanel, Julie. Characterization of Performance of a 3D Printed Stirling Engine Through Analysis and Test.

Degree: MSin Mechanical Engineering, Washkewicz College of Engineering, 2016, Cleveland State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=csu1484221919434595

► This thesis involves the fusion of two technologies, Stirling engines and additivemanufacturing. The project began by building a Stirling engine primarily out of 3D printed… (more)

▼ This thesis involves the fusion of two technologies, Stirling engines and additivemanufacturing. The project began by building a Stirling engine primarily out of 3D printed parts. Methods to measure the power output were designed and built with a combination of 3D printed and off the shelf parts. The Stirling engine was tested to see if there was a correlation to analysis results, and a regenerator was installed to determine the effect on performance for this relatively low temperature engine. Finally, variations in test operation and the use of heat sinks were used to find a combination that will allow the unit to run more reliably.One challenge of the 3D printed parts was the durability when subjected to heat and assembly loads, especially over multiple rebuilds. However, the convenience of 3Dprinting made it possible to print replacement parts easily. New designs and assemblies were also created as a part of the effort to develop a power measurement system.Power output was measured and corresponded to analysis predictions. Testing was conducted with a hot plate temperature of 349K (168 F) and a cold plate temperature of 308K (94 F), which corresponds to a Temperature Ratio of 1.13. Rate of rotation was 150 RPM, or 2.5 Hz. The net power output was measured to be 3.1mW. Adding that to the losses attributed to engine friction resulted in a gross power output of 17mW, which was close to the analysis prediction of 15mW. Regenerator testing showed that using a regenerator, on average, doubled the speed of rotation at the same temperature ratio. However, the regenerator was detrimental to long term operation because without active cooling, the cold plate was unable to dissipate the heat efficiently enough. Increasing the cold side heat transfer to ambient would be essential in increasing reliability. The addition of heatsinks to the cold side was tested to determine the effectiveness, with positive results. The heatsinks that were used in testing were also analyzed, and it was determined that the spacing was too narrow for optimum performance. For future designs, custom heatsinks could be used that maximize the natural convection of the cold side, or a method developed to provide active cooling. Advisors/Committee Members: Ibrahim, Mounir (Committee Chair).

Subjects/Keywords: Mechanical Engineering; Stirling Engine; 3D Printed; Additive Manufacturing

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Vodhanel, J. (2016). Characterization of Performance of a 3D Printed Stirling Engine Through Analysis and Test. (Masters Thesis). Cleveland State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=csu1484221919434595

Chicago Manual of Style (16^th Edition):

Vodhanel, Julie. “Characterization of Performance of a 3D Printed Stirling Engine Through Analysis and Test.” 2016. Masters Thesis, Cleveland State University. Accessed January 20, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=csu1484221919434595.

MLA Handbook (7^th Edition):

Vodhanel, Julie. “Characterization of Performance of a 3D Printed Stirling Engine Through Analysis and Test.” 2016. Web. 20 Jan 2021.

Vancouver:

Vodhanel J. Characterization of Performance of a 3D Printed Stirling Engine Through Analysis and Test. [Internet] [Masters thesis]. Cleveland State University; 2016. [cited 2021 Jan 20]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=csu1484221919434595.

Council of Science Editors:

Vodhanel J. Characterization of Performance of a 3D Printed Stirling Engine Through Analysis and Test. [Masters Thesis]. Cleveland State University; 2016. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=csu1484221919434595

21. Rodrigues, Nuno Duarte Ribeiro Pires. Sistema de microgeração de energia com base num motor stirling.

Degree: 2017, Repositório Científico do Instituto Politécnico de Lisboa

URL: https://www.rcaap.pt/detail.jsp?id=oai:repositorio.ipl.pt:10400.21/7391

►

Trabalho final de mestrado para obtenção do grau de mestre em Engenharia Mecânica.

As atuais situações energética e ambiental constituem dois dos principais problemas que… (more)

▼

Trabalho final de mestrado para obtenção do grau de mestre em Engenharia Mecânica.

As atuais situações energética e ambiental constituem dois dos principais problemas que a sociedade enfrenta. A preservação do ambiente e dos recursos naturais requer uma produção de energia sustentável o que, com a tendência crescente do seu consumo, se revela árduo. Como tal, a solução passa não só pelo desenvolvimento das energias renováveis, como pela exploração de novas formas de aproveitamento das mesmas. É neste contexto que se insere o presente trabalho, tendo-se analisado um sistema de microgeração de energia. Este, consiste na adaptação de um sistema de energia solar térmica doméstico para a produção de energia elétrica, através de um motor Stirling que faz o aproveitamento da energia coletada. Inicialmente foi estudado o potencial energético do sistema, recorrendo-se para isso à simulação computadorizada de um sistema comum de energia solar térmica, para determinação da energia solar coletada pelo mesmo. Posteriormente, foi modelado o motor Stirling através de uma análise adiabática. A comparação de diferentes configurações do motor resultou na seleção da configuração beta, por apresentar um desempenho superior. Seguidamente, diferentes fluidos de trabalho foram considerados, tendo-se optado pelo hidrogénio, uma vez este possibilita uma elevada transferência de calor e em simultâneo perdas de carga reduzidas. O dimensionamento dos permutadores de calor e do regenerador foi realizado mediante as condições impostas pelo sistema de energia solar, tendo-se recorrido a correlações para modelar o escoamento do fluido de trabalho no interior destes componentes. De forma a se maximizar o aproveitamento do motor, foram otimizados os principais parâmetros de funcionamento, como o ângulo de desfasamento, a frequência de rotação e a massa de fluido utilizada. Posteriormente, compararam-se os resultados previstos pela modelação do motor com os obtidos pela sua simulação computacional, de forma a se validarem as metodologias utilizadas no seu dimensionamento. Em último lugar, procedeu-se à simulação do sistema de microgeração completo, tendo-se concluído que, derivado do seu fraco desempenho, o mesmo não é viável.

Today’s energy and environmental situations compose two of the most serious issues society faces. The preservation of the environment and the natural resources requires the sustainable production of energy although, with the rising rate of its consumption, such may not be easy. As a result, the solution lies not only in the development of current renewable energies but also in the discovery of new ways to explore them. It is in the later that this thesis falls into, having being analyzed a microgeneration system which consists in the adaptation of a residential solar thermal system, to produce electricity, by means of a Stirling engine to make use of the collected energy. Initially, the potential of the system was studied using a computer application to simulate the operation of a regular solar thermal system, in order to…

Advisors/Committee Members: Cardoso, João Antero Nascimento dos Santos, Costa, Jorge Filipe Oliveira de Mendonça e.

Subjects/Keywords: Energia; Sustentabilidade; Microgeração; Energia solar térmica; Motor Stirling; Análise adiabática; Energy; Sustainability; Microgeneration; Solar thermal; Stirling engine; Adiabatic analysis

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Rodrigues, N. D. R. P. (2017). Sistema de microgeração de energia com base num motor stirling. (Thesis). Repositório Científico do Instituto Politécnico de Lisboa. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:repositorio.ipl.pt:10400.21/7391

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Rodrigues, Nuno Duarte Ribeiro Pires. “Sistema de microgeração de energia com base num motor stirling.” 2017. Thesis, Repositório Científico do Instituto Politécnico de Lisboa. Accessed January 20, 2021. https://www.rcaap.pt/detail.jsp?id=oai:repositorio.ipl.pt:10400.21/7391.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Rodrigues, Nuno Duarte Ribeiro Pires. “Sistema de microgeração de energia com base num motor stirling.” 2017. Web. 20 Jan 2021.

Vancouver:

Rodrigues NDRP. Sistema de microgeração de energia com base num motor stirling. [Internet] [Thesis]. Repositório Científico do Instituto Politécnico de Lisboa; 2017. [cited 2021 Jan 20]. Available from: https://www.rcaap.pt/detail.jsp?id=oai:repositorio.ipl.pt:10400.21/7391.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Rodrigues NDRP. Sistema de microgeração de energia com base num motor stirling. [Thesis]. Repositório Científico do Instituto Politécnico de Lisboa; 2017. Available from: https://www.rcaap.pt/detail.jsp?id=oai:repositorio.ipl.pt:10400.21/7391

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

22. Vondruš, Jan. Stirlingův motor: Stirling Engine.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/60144

► This bachelor thesis deals with the description and calculation of a closed regenerative thermodynamic cycle. In the theoretical part of the thesis, there is described… (more)

Subjects/Keywords: Stirlingův cyklus; Stirlingův motor; Schmidtova teorie; regenerace; termodynamický cyklus; Stirling cycle; Stirling engine; Schmidt theory; regeneration; thermodynamic cycle

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Vondruš, J. (2019). Stirlingův motor: Stirling Engine. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/60144

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Vondruš, Jan. “Stirlingův motor: Stirling Engine.” 2019. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/60144.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Vondruš, Jan. “Stirlingův motor: Stirling Engine.” 2019. Web. 20 Jan 2021.

Vancouver:

Vondruš J. Stirlingův motor: Stirling Engine. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/60144.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Vondruš J. Stirlingův motor: Stirling Engine. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/60144

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

23. Kmeť, Jozef. Stirlingův motor jako součást energetických zdrojů kosmických sond a mimozemských základen: Stirling engine as part of the energy resources of spacecraft and extraterrestrial bases.

Degree: 2014, Brno University of Technology

URL: http://hdl.handle.net/11012/20260

► This Bachelor´s Thesis deals with the production of electricity needed for exploration space missions. The first section is a brief overview of the methods used… (more)

Subjects/Keywords: Stirlingov motor; Stirlingov pokročilý rádioizotopový generátor; Stirlingov pokročilý konvertor; Rádioizotopový termoelektrický generátor; Schmidtová teória; Stirling engine; Advanced Stirling Radioizotop Generator; Advanced Stirling Convertor; Radioisotop Thermoelectric Generator; Schmidt teory

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kmeť, J. (2014). Stirlingův motor jako součást energetických zdrojů kosmických sond a mimozemských základen: Stirling engine as part of the energy resources of spacecraft and extraterrestrial bases. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/20260

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kmeť, Jozef. “Stirlingův motor jako součást energetických zdrojů kosmických sond a mimozemských základen: Stirling engine as part of the energy resources of spacecraft and extraterrestrial bases.” 2014. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/20260.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kmeť, Jozef. “Stirlingův motor jako součást energetických zdrojů kosmických sond a mimozemských základen: Stirling engine as part of the energy resources of spacecraft and extraterrestrial bases.” 2014. Web. 20 Jan 2021.

Vancouver:

Kmeť J. Stirlingův motor jako součást energetických zdrojů kosmických sond a mimozemských základen: Stirling engine as part of the energy resources of spacecraft and extraterrestrial bases. [Internet] [Thesis]. Brno University of Technology; 2014. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/20260.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kmeť J. Stirlingův motor jako součást energetických zdrojů kosmických sond a mimozemských základen: Stirling engine as part of the energy resources of spacecraft and extraterrestrial bases. [Thesis]. Brno University of Technology; 2014. Available from: http://hdl.handle.net/11012/20260

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Indian Institute of Science

24. Bhaskaran, Ramprasad. Parametric Analysis Of A Free Piston Stirling Engine For Spacecraft Power Applications With A Radioisotope Heat Source.

Degree: MSc Engg, Faculty of Engineering, 2014, Indian Institute of Science

URL: http://etd.iisc.ac.in/handle/2005/2339

► Stirling engines are promising candidates for applications where air breathing engines cannot be used. Self contained engines capable of operating independently of the environment are… (more)

▼ Stirling engines are promising candidates for applications where air breathing engines cannot be used. Self contained engines capable of operating independently of the environment are required to convert thermal energy into electric power, or to perform other necessary functions. These are ideally suited for power generation onboard spacecrafts with radioisotope heat source. These engines can power interplanetary missions to Mars and beyond. The problem of parametric analysis, sensitivity and numerical optimization of Stirling cycle engine is discussed and applied to a specific example of a 2kWe free piston Stirling engine. Stirling cycle simulation programs are generated with emphasis and adaptations peculiar to free piston design for space use. Design algorithms are generated in MatLab and optimization toolbox is used for the parametric analysis adopted in this thesis. A free piston beta Stirling engine with a linear alternator configuration has been studied for the interdependency and performance effects of various important operational parameters. The analysis has been carried out in order to optimize the primary parameters, weight vis a vis envelope (length and diameter) and stroke of the engine, to make it suitable for space use. The major cycle parameters considered are operating pressure, linear speed, dead space ratio and swept volume ratio, classified as secondary parameters. The whole analysis has been carried out at a cycle temperature ratio of 0.4 for a heat source temperature of 873 K, typical of a radioisotope heat source. The optimization is carried out for the defined design requirements viz. envelope of 50 × 50 cm , stroke of less than 10 cm, and heat source temperature of 873 K. The process of parametric optimization of the primary parameters viz engine envelope and stroke are carried out with respect to the secondary parameters. Iterations are carried out on the design programs in MatLab. The results indicate that the three primary parameters have a different set each, of the secondary parameter values when optimized to the design requirement. The fmincon solver of MatLab in the optimization tool box is selected in order to validate the optimization results. The solver is used to find a minimum of a constrained nonlinear multivariable function defining the primary parameters. The results obtained concur with the optimization results generated by the design algorithm. Further, the interdependency amongst the primary and secondary parameters is studied by generating MatLab plots for all possible combinations among the various parameters. The effect of variations in the pressure and linear speed on the system envelope and stroke are more pronounced at lower range values of the pressure and speed and the variations of the primary parameter values are constant at higher ranges. The effect of dead space ratio and swept volume ratio (>1.0) is not pronounced. The requirements in the environment of space place a number of constraints upon a Stirling engine/alternator design that are not present in… Advisors/Committee Members: Raghunandan, B N (advisor).

Subjects/Keywords: Free-Piston Sterling Engine; Sterling Engine; Spacecraft - Sterling Engine; Space Power Generation; Free-Piston Sterling Engine - Parametric Analysis; Spacecraft - Radioisotope Heat Source; Free Piston Stirling Engine; Heat Engineering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bhaskaran, R. (2014). Parametric Analysis Of A Free Piston Stirling Engine For Spacecraft Power Applications With A Radioisotope Heat Source. (Masters Thesis). Indian Institute of Science. Retrieved from http://etd.iisc.ac.in/handle/2005/2339

Chicago Manual of Style (16^th Edition):

Bhaskaran, Ramprasad. “Parametric Analysis Of A Free Piston Stirling Engine For Spacecraft Power Applications With A Radioisotope Heat Source.” 2014. Masters Thesis, Indian Institute of Science. Accessed January 20, 2021. http://etd.iisc.ac.in/handle/2005/2339.

MLA Handbook (7^th Edition):

Bhaskaran, Ramprasad. “Parametric Analysis Of A Free Piston Stirling Engine For Spacecraft Power Applications With A Radioisotope Heat Source.” 2014. Web. 20 Jan 2021.

Vancouver:

Bhaskaran R. Parametric Analysis Of A Free Piston Stirling Engine For Spacecraft Power Applications With A Radioisotope Heat Source. [Internet] [Masters thesis]. Indian Institute of Science; 2014. [cited 2021 Jan 20]. Available from: http://etd.iisc.ac.in/handle/2005/2339.

Council of Science Editors:

Bhaskaran R. Parametric Analysis Of A Free Piston Stirling Engine For Spacecraft Power Applications With A Radioisotope Heat Source. [Masters Thesis]. Indian Institute of Science; 2014. Available from: http://etd.iisc.ac.in/handle/2005/2339

Vanderbilt University

25. Hofacker, Mark Elliot. Model-Based Design and Experimental Validation of Multi-Domain Dynamic Energy Conversion Devices.

Degree: PhD, Mechanical Engineering, 2013, Vanderbilt University

URL: http://hdl.handle.net/1803/15308

► This dissertation presents the unique design and control of three energy conversion devices. A prototype bridge vibration energy harvester, a free-piston engine compressor, and a… (more)

▼ This dissertation presents the unique design and control of three energy conversion devices. A prototype bridge vibration energy harvester, a free-piston engine compressor, and a Stirling thermocompressor were modeled, designed and constructed. Although these projects differ in many important ways, this dissertation describes how to cast widely different energy conversion devices, such as these, into a common impedance matching framework. This framework is first used to describe the design and control of a bridge vibration energy harvester meant to power bridge health monitoring electronics. Impedance matching considerations were applied to the mechanical design of a low friction 1-DOF mechanism and to a control law derived using the maximum power transfer theorem. The harvester’s dynamics were cast as a Thevenin equivalent circuit and an unstable, canonical controller that harvests the maximum power from every frequency was derived by taking the complex conjugate of the circuit’s multi-domain impedance. An implementable, stable controller was found through constrained optimization and is shown in simulation to improve performance over an equivalent, passively controlled device. The second application of this framework is a free piston engine compressor intended to serve as an untethered pneumatic power supply for a compact rescue crawler robot. A prototype device is presented that makes improvements over previous iterations including a self-balancing, figure-8 liquid piston configuration, onboard electronics and control, a finite state control scheme, and an improved compressor head. The advantages of the check valve’s dynamics and the figure-8 piston configuration are proven mathematically. These improvements result in a low-vibration, stand-alone device that experimentally demonstrated a 60% increase in pumping pressure over previous iterations. The third application of this framework is a Stirling thermocompressor intended to serve as a quiet, untethered, pneumatic power supply for an ankle foot orthosis. The goal of high efficiency at the target power density is pursued through the use of novel heat exchangers in combination with high operating temperature and frequency. The motion of the displacer piston is controlled utilizing a brushless DC motor which drives a continuous linear reciprocating screw. A dynamic model of the heat transfer and pressure dynamics portions of the thermocompressor are developed and experimentally validated. Although the bridge vibration energy harvester, free piston engine compressors, and Stirling thermocompressor are quite dissimilar, this dissertation describes how to cast widely different energy conversion devices into a common impedance matching framework. Each of the devices presented in this document emphasize different aspects of the three major conceptual components: the energetic source, the source impedance and the load impedance. By considering the relevant conceptual components for each device, insights were gained into the fundamental mechanisms needed to transfer… Advisors/Committee Members: Kenneth Pence (committee member), Pietro Valdastri (committee member), Michael Goldfarb (committee member), Robert Webster (committee member), Eric Barth (Committee Chair).

Subjects/Keywords: free piston engine compressor; Stirling thermocompressor; bridge vibration energy harvester; dynamic energy conversion

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Hofacker, M. E. (2013). Model-Based Design and Experimental Validation of Multi-Domain Dynamic Energy Conversion Devices. (Doctoral Dissertation). Vanderbilt University. Retrieved from http://hdl.handle.net/1803/15308

Chicago Manual of Style (16^th Edition):

Hofacker, Mark Elliot. “Model-Based Design and Experimental Validation of Multi-Domain Dynamic Energy Conversion Devices.” 2013. Doctoral Dissertation, Vanderbilt University. Accessed January 20, 2021. http://hdl.handle.net/1803/15308.

MLA Handbook (7^th Edition):

Hofacker, Mark Elliot. “Model-Based Design and Experimental Validation of Multi-Domain Dynamic Energy Conversion Devices.” 2013. Web. 20 Jan 2021.

Vancouver:

Hofacker ME. Model-Based Design and Experimental Validation of Multi-Domain Dynamic Energy Conversion Devices. [Internet] [Doctoral dissertation]. Vanderbilt University; 2013. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/1803/15308.

Council of Science Editors:

Hofacker ME. Model-Based Design and Experimental Validation of Multi-Domain Dynamic Energy Conversion Devices. [Doctoral Dissertation]. Vanderbilt University; 2013. Available from: http://hdl.handle.net/1803/15308

Brno University of Technology

26. Podolák, Petr. Analýza využití Stirlingových motorů v energetice: Analysis of the use of Stirling engines in power engineering.

Degree: 2020, Brno University of Technology

URL: http://hdl.handle.net/11012/193372

► This bachelor thesis is designed to acquaint reader with Stirling engines and their applications. The main aim of the first part is general overview. The… (more)

Subjects/Keywords: Stirlingův motor; popis; využití; ekologické dopady; Stirling engine; description; usage; ecological impacts

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Podolák, P. (2020). Analýza využití Stirlingových motorů v energetice: Analysis of the use of Stirling engines in power engineering. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/193372

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Podolák, Petr. “Analýza využití Stirlingových motorů v energetice: Analysis of the use of Stirling engines in power engineering.” 2020. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/193372.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Podolák, Petr. “Analýza využití Stirlingových motorů v energetice: Analysis of the use of Stirling engines in power engineering.” 2020. Web. 20 Jan 2021.

Vancouver:

Podolák P. Analýza využití Stirlingových motorů v energetice: Analysis of the use of Stirling engines in power engineering. [Internet] [Thesis]. Brno University of Technology; 2020. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/193372.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Podolák P. Analýza využití Stirlingových motorů v energetice: Analysis of the use of Stirling engines in power engineering. [Thesis]. Brno University of Technology; 2020. Available from: http://hdl.handle.net/11012/193372

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

West Virginia University

27. Yadav, Pawan K. DESIGN AND DEVELOPMENT OF TEST RIGS TO EXPERIMENTALLY INVESTIGATE FLOW LOSS AND HEAT TRANSFER IN A STIRLING ENGINE HEATER HEAD.

Degree: MS, Mechanical and Aerospace Engineering, 2018, West Virginia University

URL: https://researchrepository.wvu.edu/etd/7492

► The Stirling engines are attractive alternative for combined heat and power (CHP) systems, especially for high efficiency power generation using different heat sources. The… (more)

▼ The Stirling engines are attractive alternative for combined heat and power (CHP) systems, especially for high efficiency power generation using different heat sources. The hot side heat exchanger or heater head (HH) is one of the indispensable components of Stirling engines which transfers the heat from outside of the system into the working fluid. For development of a low cost, highly efficient and reliable CHP system, a novel HH has been designed and additively manufactured from Inconel 625. For the investigation of flow loss and heat transfer through this Stirling engine heater head, two benchtop test rigs were designed, developed, and manufactured. One rig is to evaluate flow loss in oscillating flow conditions (called flow loss test rig- FLTR) and another is to evaluate heat transfer in unidirectional flow conditions (called heat transfer test rig- HTTR). For the FLTR, a linear actuator from Parker is used to generate and maintain the oscillating flow by driving a piston in oscillatory motion. The rod and the piston are sealed against the working fluid leakage using Trelleborg seals. At room temperature, by varying the charge pressure, frequency, and stroke length, multiple test conditions were achieved for experimentation. For the HTTR, a Gast’s highflow, low-pressure compressed air blower is used to deliver the unidirectional flow. The data acquisition (DAQ) is comprised of National Instruments’ cDAQ and modules to measure piston’s motion in real time and dynamic pressure with Kistler’s pressure transducers. Presented also are the detailed testing procedures, some preliminary results, expected results from Sage, and discussion of computational fluid dynamics (CFD) outputs that were used to check against the experimentally measured data from the FLTR. Preliminary results from FLTR showed higher pressure drop across the heater head tubes when compared to the Sage and CFD predictions, and higher coefficient of friction (Cf) when compared to Sage. Advisors/Committee Members: Songgang Qiu, V’yacheslav Akkerman.

Subjects/Keywords: Stirling Engine; Heater Head; Fluid; Pressure Drop; Heat Transfer; CHP; Heat Transfer, Combustion; Mechanical Engineering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Yadav, P. K. (2018). DESIGN AND DEVELOPMENT OF TEST RIGS TO EXPERIMENTALLY INVESTIGATE FLOW LOSS AND HEAT TRANSFER IN A STIRLING ENGINE HEATER HEAD. (Thesis). West Virginia University. Retrieved from https://researchrepository.wvu.edu/etd/7492

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Yadav, Pawan K. “DESIGN AND DEVELOPMENT OF TEST RIGS TO EXPERIMENTALLY INVESTIGATE FLOW LOSS AND HEAT TRANSFER IN A STIRLING ENGINE HEATER HEAD.” 2018. Thesis, West Virginia University. Accessed January 20, 2021. https://researchrepository.wvu.edu/etd/7492.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Yadav, Pawan K. “DESIGN AND DEVELOPMENT OF TEST RIGS TO EXPERIMENTALLY INVESTIGATE FLOW LOSS AND HEAT TRANSFER IN A STIRLING ENGINE HEATER HEAD.” 2018. Web. 20 Jan 2021.

Vancouver:

Yadav PK. DESIGN AND DEVELOPMENT OF TEST RIGS TO EXPERIMENTALLY INVESTIGATE FLOW LOSS AND HEAT TRANSFER IN A STIRLING ENGINE HEATER HEAD. [Internet] [Thesis]. West Virginia University; 2018. [cited 2021 Jan 20]. Available from: https://researchrepository.wvu.edu/etd/7492.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Yadav PK. DESIGN AND DEVELOPMENT OF TEST RIGS TO EXPERIMENTALLY INVESTIGATE FLOW LOSS AND HEAT TRANSFER IN A STIRLING ENGINE HEATER HEAD. [Thesis]. West Virginia University; 2018. Available from: https://researchrepository.wvu.edu/etd/7492

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

28. Flannery, Barry. Experimental development and modelling of a novel auxiliary power unit for heavy trucks .

Degree: 2017, National University of Ireland – Galway

URL: http://hdl.handle.net/10379/6837

► This thesis identifies the key technical requirements for a heavy truck auxiliary power unit (APU) and explores a potential alternative technology for use in a… (more)

▼ This thesis identifies the key technical requirements for a heavy truck auxiliary power unit (APU) and explores a potential alternative technology for use in a next-generation APU that could eliminate key problems related to emissions, noise and maintenance experienced today by conventional diesel engine-vapour compression APUs. Through evaluation of alternative technologies, the work identified a free-piston Stirling engine coupled to a zeolite-water adsorption chiller as being an effective technical solution to the range challenges faced by the industry. A prototype test rig of this Stirling-adsorption system (SAS) was constructed and experimentally characterised to investigated system integration dynamics and overall performance. The adsorption chiller achieved an average COP of 0.42 ± 0.06 and 2.3 ± 0.1 kWt of cooling capacity at the baseline test condition. The behaviour of the Stirling and adsorption subsystems were investigated through semi-empirical reduced order sub-models calibrated by measured experimental test data. These were combined with fundamental physics-based sub-models of other components in the Mathworks SimScape® environment. Using this system-level model, a series of duty cycle test scenarios were simulated, which showed that the SAS has overall average electrical and cooling efficiencies of 8.7% and 27.1%, respectively, compared to values of 4.7% and 11.0% for incumbent technology. The model was also used to explore the impact of thermal coupling between the engine and chiller. The work proposed a basic control scheme that dynamically prioritizes cooling or electrical demand in order to meet the overall system requirements. Furthermore, the work identified that using the main truck engine’s coolant volume as a thermal buffer tank could significantly reduce the negative impacts on performance of low thermal buffering in the SAS architecture. The results and experience obtained from the prototype SAS test rig demonstrates that there appear to be no major technology barriers remaining that would prevent adoption of the SAS concept in a next-generation APU. Although there are likely still commercial challenges facing the SAS architecture relating to system capital cost and larger size and weight (albeit still feasible). Nonetheless, such a system could offer reductions in exhaust emissions of greenhouse gases (GHGs), and ozone-depleting substances, while producing less noise and requiring lower maintenance than incumbent technologies. A system payback period is estimated to be 4.6 years. Advisors/Committee Members: Monaghan, Rory (advisor).

Subjects/Keywords: APU; Truck APU; CHP; Stirling engine; Adsorption chiller; Auxiliary power unit; Waste-heat; Mechanical engineering

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Flannery, B. (2017). Experimental development and modelling of a novel auxiliary power unit for heavy trucks . (Thesis). National University of Ireland – Galway. Retrieved from http://hdl.handle.net/10379/6837

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Flannery, Barry. “Experimental development and modelling of a novel auxiliary power unit for heavy trucks .” 2017. Thesis, National University of Ireland – Galway. Accessed January 20, 2021. http://hdl.handle.net/10379/6837.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Flannery, Barry. “Experimental development and modelling of a novel auxiliary power unit for heavy trucks .” 2017. Web. 20 Jan 2021.

Vancouver:

Flannery B. Experimental development and modelling of a novel auxiliary power unit for heavy trucks . [Internet] [Thesis]. National University of Ireland – Galway; 2017. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/10379/6837.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Flannery B. Experimental development and modelling of a novel auxiliary power unit for heavy trucks . [Thesis]. National University of Ireland – Galway; 2017. Available from: http://hdl.handle.net/10379/6837

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Brno University of Technology

29. Horák, Jiří. Výpočtový model tepelného oběhu Stirlingova motoru: Computational model of heat cycle of Stirling engine.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/3086

► This Bachelor´s Thesis deals with heat circulation of a Stirling engine according to the Schmidt theory. In the first part of the thesis there is… (more)

Subjects/Keywords: Stirlingův motor; Schmidtova teorie; modifikace; metody; optimalizace; Stirling engine; Schmidt theory; modification; methods; optimalization

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Horák, J. (2019). Výpočtový model tepelného oběhu Stirlingova motoru: Computational model of heat cycle of Stirling engine. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/3086

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Horák, Jiří. “Výpočtový model tepelného oběhu Stirlingova motoru: Computational model of heat cycle of Stirling engine.” 2019. Thesis, Brno University of Technology. Accessed January 20, 2021. http://hdl.handle.net/11012/3086.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Horák, Jiří. “Výpočtový model tepelného oběhu Stirlingova motoru: Computational model of heat cycle of Stirling engine.” 2019. Web. 20 Jan 2021.

Vancouver:

Horák J. Výpočtový model tepelného oběhu Stirlingova motoru: Computational model of heat cycle of Stirling engine. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Jan 20]. Available from: http://hdl.handle.net/11012/3086.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Horák J. Výpočtový model tepelného oběhu Stirlingova motoru: Computational model of heat cycle of Stirling engine. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/3086

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

30. Ulusoy, Necati. Dynamic analysis of free piston Stirling engines.

Degree: PhD, Mechanical Engineering, 1994, Case Western Reserve University School of Graduate Studies

URL: http://rave.ohiolink.edu/etdc/view?acc_num=case1061217408

► The dynamics of a free piston Stirling engine is investigated through non-linear analysis and numerical simulations. The thermodynamics of the engine is coupled to the… (more)

Subjects/Keywords: Engineering, Mechanical; Free piston Stirling engine

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ulusoy, N. (1994). Dynamic analysis of free piston Stirling engines. (Doctoral Dissertation). Case Western Reserve University School of Graduate Studies. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=case1061217408

Chicago Manual of Style (16^th Edition):

Ulusoy, Necati. “Dynamic analysis of free piston Stirling engines.” 1994. Doctoral Dissertation, Case Western Reserve University School of Graduate Studies. Accessed January 20, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=case1061217408.

MLA Handbook (7^th Edition):

Ulusoy, Necati. “Dynamic analysis of free piston Stirling engines.” 1994. Web. 20 Jan 2021.

Vancouver:

Ulusoy N. Dynamic analysis of free piston Stirling engines. [Internet] [Doctoral dissertation]. Case Western Reserve University School of Graduate Studies; 1994. [cited 2021 Jan 20]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=case1061217408.

Council of Science Editors:

Ulusoy N. Dynamic analysis of free piston Stirling engines. [Doctoral Dissertation]. Case Western Reserve University School of Graduate Studies; 1994. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=case1061217408

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Open Access Theses and Dissertations