subject:(hydrokinetic)

Karlstad University

1. Nordqvist, Erik. A pilot study on the coupling potential for a hydrokinetic turbine within the Amazon basin : - Optimization from an energy perspective.

Degree: Science and Technology (starting 2013), 2016, Karlstad University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43509

► Many people around the world still lack access to a reliable electricity grid. Supplying electricity to remote off grid areas like villages around Leticia,… (more)

▼ Many people around the world still lack access to a reliable electricity grid. Supplying electricity to remote off grid areas like villages around Leticia, Colombia is often interrelated with high costs and geographical limitations. Today most of the electricity demand is met through the usage of diesel generators. The generators are easy to use and have a relatively reliable functionality. However, fuel is expensive and there are other negative aspects as fumes and sound pollution. In order to provide a cleaner, more reliable and cost efficient alternative the company Jabe Energy AB has in cooperation with the volunteer organization Ankarstiftelsen developed a new type of hydrokinetic turbine (slow moving none damming turbine). Previous studies have shown that there is potential for hydrokinetic turbines to increase their power output simply by their relative placement (coupling potential). That is, it might be possible to extrude more power from a system where two hydrokinetic turbines are placed in a close relation rather than being completely separated. Since the turbine investigated is newly developed there have been no previous studies regarding its specific coupling potential. To investigate this potential given the conditions in the Amazon basin, a field study is conducted where measurements on water velocity at different heights in the water column is collected. The data is later used as input conditions for a turbine model developed in the program COMSOL. The aim is to use simulations in order to determine whether a turbine is sensitive for its relative placement to a former (coupling potential) and furthermore to investigate a possible optimal turbine coupling position. The results will show that the turbine is coupling sensitive and that there exists more advantageous placements. Comparing the best and worst case of the coupling study displays an 11.87% difference in possible energy output. The conclusion is that further empirical studies are necessary in order to validate the results. Finally a suggestion on how these studies should be conducted is presented and discussed.

Subjects/Keywords: Hydrokinetic turbine; CFD-analysis; Coupling

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APA (6^th Edition):

Nordqvist, E. (2016). A pilot study on the coupling potential for a hydrokinetic turbine within the Amazon basin : - Optimization from an energy perspective. (Thesis). Karlstad University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43509

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):

Nordqvist, Erik. “A pilot study on the coupling potential for a hydrokinetic turbine within the Amazon basin : - Optimization from an energy perspective.” 2016. Thesis, Karlstad University. Accessed March 04, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43509.

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

MLA Handbook (7^th Edition):

Nordqvist, Erik. “A pilot study on the coupling potential for a hydrokinetic turbine within the Amazon basin : - Optimization from an energy perspective.” 2016. Web. 04 Mar 2021.

Vancouver:

Nordqvist E. A pilot study on the coupling potential for a hydrokinetic turbine within the Amazon basin : - Optimization from an energy perspective. [Internet] [Thesis]. Karlstad University; 2016. [cited 2021 Mar 04]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43509.

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

Council of Science Editors:

Nordqvist E. A pilot study on the coupling potential for a hydrokinetic turbine within the Amazon basin : - Optimization from an energy perspective. [Thesis]. Karlstad University; 2016. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43509

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

Rochester Institute of Technology

2. Douglas, Matthew Robert. Dynamics of a Kinetic Energy Storage Device for a Translating Hydrokinetic System.

Degree: MS, Mechanical Engineering, 2014, Rochester Institute of Technology

URL: https://scholarworks.rit.edu/theses/8562

► Current hydropower is sourced predominately from dams, which have several ecological and societal issues. Despite growing demand for energy, dam construction has recently been… (more)

▼ Current hydropower is sourced predominately from dams, which have several ecological and societal issues. Despite growing demand for energy, dam construction has recently been at a standstill. Hydrokinetic systems are new methods of harvesting renewable energy from rivers without requiring dams. Hydrokites, a subset of hydrokinetic systems, use a translating hydrofoil to generate electricity. Previous models of hydrokite systems have been promising, but their performance in experimental settings has not been as expected. One possible cause for this discrepancy is a loss in system energy when the hydrofoil reaches the end of its stroke, resulting in significantly less power generation. This thesis proposes an alternative hydrokite model that incorporates a flywheel to store kinetic energy during the cycle. A numerical simulation was created that calculates the average cycle power for a flywheel hydrokite system for given system parameters. The dynamics of this system were studied by optimizing various system parameters to maximize average cycle power. The optimization routine found that 278.1 W of power could be produced in a river flow of 1 m/s for the flywheel hydrofoil model. In order to determine how the flywheel affects the system, the optimized hydrokite with a flywheel was compared to an optimized version of the previous hydrokite without a flywheel. The previous optimized model produced an average cycle power of 24.91 W, which shows the flywheel was able to improve the performance of the system by over 1100%. The parameters found from the optimization schemes are only expected to be optimal for instantaneous hydrofoil flips; therefore, in order to characterize how the hydrofoil flip affects the system, the simulation was modified by setting the hydrofoil angle to 0 degrees for the duration of the flip time. The system was optimized again for various flip times. The simulation predicts that less power will be generated for increasing flip times until a flip time of 0.45 seconds is reached where the system cannot produce any power. Experimental testing on a small-scale system was performed to determine how much electrical energy is required to flip a hydrofoil for various flip times and submerged depth. All hydrofoil flips required less than 1 J, a small fraction of the predicted total cycle energy generated. Advisors/Committee Members: Mario W. Gomes.

Subjects/Keywords: Flywheel; Hydrokinetic; Hydrokite; Hydropower; Optimization; Renewable

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APA (6^th Edition):

Douglas, M. R. (2014). Dynamics of a Kinetic Energy Storage Device for a Translating Hydrokinetic System. (Masters Thesis). Rochester Institute of Technology. Retrieved from https://scholarworks.rit.edu/theses/8562

Chicago Manual of Style (16^th Edition):

Douglas, Matthew Robert. “Dynamics of a Kinetic Energy Storage Device for a Translating Hydrokinetic System.” 2014. Masters Thesis, Rochester Institute of Technology. Accessed March 04, 2021. https://scholarworks.rit.edu/theses/8562.

MLA Handbook (7^th Edition):

Douglas, Matthew Robert. “Dynamics of a Kinetic Energy Storage Device for a Translating Hydrokinetic System.” 2014. Web. 04 Mar 2021.

Vancouver:

Douglas MR. Dynamics of a Kinetic Energy Storage Device for a Translating Hydrokinetic System. [Internet] [Masters thesis]. Rochester Institute of Technology; 2014. [cited 2021 Mar 04]. Available from: https://scholarworks.rit.edu/theses/8562.

Council of Science Editors:

Douglas MR. Dynamics of a Kinetic Energy Storage Device for a Translating Hydrokinetic System. [Masters Thesis]. Rochester Institute of Technology; 2014. Available from: https://scholarworks.rit.edu/theses/8562

University of Manitoba

3. Hamta, Armin. A remotely operated hydrokinetic turbine to reduce the levelized cost of energy of marine turbines.

Degree: Mechanical Engineering, 2016, University of Manitoba

URL: http://hdl.handle.net/1993/31579

► A novel hydrokinetic turbine system is proposed to address key commercialization challenges facing the marine energy industry. Challenges include addressing icing issues by eliminating equipment… (more)

Subjects/Keywords: hydrokinetic turbine; counter-torque mechanism; buoy; marine

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APA (6^th Edition):

Hamta, A. (2016). A remotely operated hydrokinetic turbine to reduce the levelized cost of energy of marine turbines. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/31579

Chicago Manual of Style (16^th Edition):

Hamta, Armin. “A remotely operated hydrokinetic turbine to reduce the levelized cost of energy of marine turbines.” 2016. Masters Thesis, University of Manitoba. Accessed March 04, 2021. http://hdl.handle.net/1993/31579.

MLA Handbook (7^th Edition):

Hamta, Armin. “A remotely operated hydrokinetic turbine to reduce the levelized cost of energy of marine turbines.” 2016. Web. 04 Mar 2021.

Vancouver:

Hamta A. A remotely operated hydrokinetic turbine to reduce the levelized cost of energy of marine turbines. [Internet] [Masters thesis]. University of Manitoba; 2016. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1993/31579.

Council of Science Editors:

Hamta A. A remotely operated hydrokinetic turbine to reduce the levelized cost of energy of marine turbines. [Masters Thesis]. University of Manitoba; 2016. Available from: http://hdl.handle.net/1993/31579

4. Cameron, Matthew. Flow Field Measurements for a Cross Flow Turbine.

Degree: MS, Mechanical Engineering, 2012, University of Maine

URL: https://digitalcommons.library.umaine.edu/etd/1752

► Understanding the flow pattern around hydrokinetic devices is important for the development of tidal energy technology. The objective of the research is to provide… (more)

Subjects/Keywords: hydrokinetic devices; Mechanical Engineering

…hydrokinetic technology for tidal developers to consider for implementation. Two major challenges… …well-known characteristic of any hydrokinetic device, and is not within the scope of this…

10 more images…

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APA (6^th Edition):

Cameron, M. (2012). Flow Field Measurements for a Cross Flow Turbine. (Masters Thesis). University of Maine. Retrieved from https://digitalcommons.library.umaine.edu/etd/1752

Chicago Manual of Style (16^th Edition):

Cameron, Matthew. “Flow Field Measurements for a Cross Flow Turbine.” 2012. Masters Thesis, University of Maine. Accessed March 04, 2021. https://digitalcommons.library.umaine.edu/etd/1752.

MLA Handbook (7^th Edition):

Cameron, Matthew. “Flow Field Measurements for a Cross Flow Turbine.” 2012. Web. 04 Mar 2021.

Vancouver:

Cameron M. Flow Field Measurements for a Cross Flow Turbine. [Internet] [Masters thesis]. University of Maine; 2012. [cited 2021 Mar 04]. Available from: https://digitalcommons.library.umaine.edu/etd/1752.

Council of Science Editors:

Cameron M. Flow Field Measurements for a Cross Flow Turbine. [Masters Thesis]. University of Maine; 2012. Available from: https://digitalcommons.library.umaine.edu/etd/1752

Bucknell University

5. Soliani, Giulio. Power Generation of Two Model Marine Hydrokinetic Turbines in a Tandem Array Configuration.

Degree: 2014, Bucknell University

URL: https://digitalcommons.bucknell.edu/masters_theses/125

► This laboratory study centered on the interaction of two model marine hydrokinetic turbines arranged in a stream-wise tandem configuration. The goal was to determine the… (more)

Subjects/Keywords: Marine renewable energy; Marine hydrokinetic turbines; Turbine arrays

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APA (6^th Edition):

Soliani, G. (2014). Power Generation of Two Model Marine Hydrokinetic Turbines in a Tandem Array Configuration. (Thesis). Bucknell University. Retrieved from https://digitalcommons.bucknell.edu/masters_theses/125

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):

Soliani, Giulio. “Power Generation of Two Model Marine Hydrokinetic Turbines in a Tandem Array Configuration.” 2014. Thesis, Bucknell University. Accessed March 04, 2021. https://digitalcommons.bucknell.edu/masters_theses/125.

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

MLA Handbook (7^th Edition):

Soliani, Giulio. “Power Generation of Two Model Marine Hydrokinetic Turbines in a Tandem Array Configuration.” 2014. Web. 04 Mar 2021.

Vancouver:

Soliani G. Power Generation of Two Model Marine Hydrokinetic Turbines in a Tandem Array Configuration. [Internet] [Thesis]. Bucknell University; 2014. [cited 2021 Mar 04]. Available from: https://digitalcommons.bucknell.edu/masters_theses/125.

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

Council of Science Editors:

Soliani G. Power Generation of Two Model Marine Hydrokinetic Turbines in a Tandem Array Configuration. [Thesis]. Bucknell University; 2014. Available from: https://digitalcommons.bucknell.edu/masters_theses/125

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

Bucknell University

6. Markovic, Uros Vukasin. Characterizing the Wake and the Performance of a Marine Hydrokinetic Turbine in a Tandem Array Configuration.

Degree: 2016, Bucknell University

URL: https://digitalcommons.bucknell.edu/masters_theses/183

► This laboratory study was centered on the mechanical design and interaction of the two model marine hydrokinetic (MHK) turbines arranged in a stream-wise tandem configuration.… (more)

▼ This laboratory study was centered on the mechanical design and interaction of the two model marine hydrokinetic (MHK) turbines arranged in a stream-wise tandem configuration. The goal was to design and machine a model MHK turbine which performs in the same fashion as full scale device. In addition, experiments were performed to determine the effect of an upstream turbine on the performance of the downstream turbine. Specifically, the study focuses on the changes in nondimensional power generation that occurred as the stream-wise spacing between devices was varied. Understanding the interaction effect between laboratory scale marine hydrokinetic devices is an important step prior to field deployment. Currently only few studies have addressed the issues of non-dimensionalizing the performance of a turbine when the turbine is operating in a non-uniform flow. This study addresses the question: to what degree is there a practical basis for comparison of marine hydrokinetic turbine performance when a turbine operates in a non-uniform flow? In other words, what is the basis for relating the off-design behavior to on-design behavior due to non-uniform inflow? Testing was conducted in the hydraulic flume facility (9.8 m long, 1.2 m wide and 0.4 m deep) at Bucknell University. Two types of turbine model were used. A two-bladed turbine with a rotor diameter of 0.1 meters and a three-bladed turbine with a rotor diameter of 0.12 meters. Multiple tests were performed for a fixed range of separation distances between each set of the devices. For each separation distance, a mechanical power extracted from the flow was measured. In addition, velocity profiles incident on the downstream turbine were measured at each separation location and used in developing velocity scales to be used in non-dimensionalizing the performance of the downstream turbine. Results demonstrate that the performance of a downstream turbine is affected by the presence of the upstream turbine. The evolution of the wake was directly related to the performance of the downstream turbine and that the velocity scale used in nondimensionalizing the performance of the downstream turbine needs to be carefully developed. Results shows that an ideal separation distance could exists between devices such that the power generation and performance of the downstream turbine are maximized.

Subjects/Keywords: marine; hydrokinetic; turbine; tidal; current; performance; wake; tandem; array; configuration

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APA (6^th Edition):

Markovic, U. V. (2016). Characterizing the Wake and the Performance of a Marine Hydrokinetic Turbine in a Tandem Array Configuration. (Thesis). Bucknell University. Retrieved from https://digitalcommons.bucknell.edu/masters_theses/183

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):

Markovic, Uros Vukasin. “Characterizing the Wake and the Performance of a Marine Hydrokinetic Turbine in a Tandem Array Configuration.” 2016. Thesis, Bucknell University. Accessed March 04, 2021. https://digitalcommons.bucknell.edu/masters_theses/183.

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

MLA Handbook (7^th Edition):

Markovic, Uros Vukasin. “Characterizing the Wake and the Performance of a Marine Hydrokinetic Turbine in a Tandem Array Configuration.” 2016. Web. 04 Mar 2021.

Vancouver:

Markovic UV. Characterizing the Wake and the Performance of a Marine Hydrokinetic Turbine in a Tandem Array Configuration. [Internet] [Thesis]. Bucknell University; 2016. [cited 2021 Mar 04]. Available from: https://digitalcommons.bucknell.edu/masters_theses/183.

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

Council of Science Editors:

Markovic UV. Characterizing the Wake and the Performance of a Marine Hydrokinetic Turbine in a Tandem Array Configuration. [Thesis]. Bucknell University; 2016. Available from: https://digitalcommons.bucknell.edu/masters_theses/183

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

University of Manitoba

7. Shahsavarifard, Mohammad. Effect of shroud on the performance of horizontal axis hydrokinetic turbines.

Degree: Mechanical Engineering, 2015, University of Manitoba

URL: http://hdl.handle.net/1993/30868

► To investigate the effect of shroud on the performance of hydrokinetic turbines in inline and off-axis flows, a horizontal axis model turbine and two shrouds… (more)

▼ To investigate the effect of shroud on the performance of hydrokinetic turbines in inline and off-axis flows, a horizontal axis model turbine and two shrouds were designed and fabricated. Consistent power, torque, and thrust coefficients for the shrouded and unshrouded turbines were obtained for a complete range of performance curve in water tunnel experiments. A maximum power enhancement of 91% over the unshrouded turbine is obtained with the straight wall diffuser design. Power coefficients of the model turbine with the diffuser calculated based on the diffuser exit area, in agreement with the van Bussel momentum theory, is found comparable to the performance coefficients of the unshrouded turbine with the size of the diffuser exit diameter. In off-axis flows the output power of a hydrokinetic turbine is observed to decrease. The reduction is negligible up to 10° yaw angle but increases as the yaw angle increases beyond 10°. The model turbine with the convergent–divergent wall shroud design experiences negligible performance loss in yaw operations compared to the unshrouded turbine. Using the experimental results and in an analogy to the cosine rules of the linear momentum theory, similar cosine relations for the shrouded turbines are proposed for the first time. The optimum power of the model turbine with the shroud is experimentally observed to decrease with cosine of yaw angle. Based on this, the turbine with the shroud in a 45° yaw angle would generate 29% less power than in an inline flow. The unshrouded turbine, based on the cosine cubed rule of the momentum theory, would generate 65% less power in the same flow. This study addresses the fact why the reported augmentation factors for diffuser augmented wind turbines in the literature has a broad range from -36% to 760% which shows disagreements between researchers. Advisors/Committee Members: Bibeau, Eric (Mechanical Engineering) Chatoorgoon, Vijay (Mechanical Engineering) (supervisor), Tachie, Mark (Mechanical Engineering) Dick, Kristopher (Biosystems Engineering) Wood, David (University of Calgary) (examiningcommittee).

Subjects/Keywords: Hydrokinetic turbine; horizontal turbine; shroud; performance; yaw angle

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APA (6^th Edition):

Shahsavarifard, M. (2015). Effect of shroud on the performance of horizontal axis hydrokinetic turbines. (Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/30868

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):

Shahsavarifard, Mohammad. “Effect of shroud on the performance of horizontal axis hydrokinetic turbines.” 2015. Thesis, University of Manitoba. Accessed March 04, 2021. http://hdl.handle.net/1993/30868.

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

MLA Handbook (7^th Edition):

Shahsavarifard, Mohammad. “Effect of shroud on the performance of horizontal axis hydrokinetic turbines.” 2015. Web. 04 Mar 2021.

Vancouver:

Shahsavarifard M. Effect of shroud on the performance of horizontal axis hydrokinetic turbines. [Internet] [Thesis]. University of Manitoba; 2015. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1993/30868.

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

Council of Science Editors:

Shahsavarifard M. Effect of shroud on the performance of horizontal axis hydrokinetic turbines. [Thesis]. University of Manitoba; 2015. Available from: http://hdl.handle.net/1993/30868

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

University of Manitoba

8. d'Auteuil, Samuel. Investigation of velocity and turbulence measurement techniques for riverine hydrokinetic turbine sites.

Degree: Mechanical Engineering, 2016, University of Manitoba

URL: http://hdl.handle.net/1993/32520

► Multiple flow devices, techniques, procedures, and approaches are tested and validated to characterize the velocity, turbulence, and length-scales of high-velocity riverine sites for distributed hydrokinetic… (more)

Subjects/Keywords: hydrokinetic; turbine; riverine; ADV; ADCP; Shear probe; channel

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APA (6^th Edition):

d'Auteuil, S. (2016). Investigation of velocity and turbulence measurement techniques for riverine hydrokinetic turbine sites. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/32520

Chicago Manual of Style (16^th Edition):

d'Auteuil, Samuel. “Investigation of velocity and turbulence measurement techniques for riverine hydrokinetic turbine sites.” 2016. Masters Thesis, University of Manitoba. Accessed March 04, 2021. http://hdl.handle.net/1993/32520.

MLA Handbook (7^th Edition):

d'Auteuil, Samuel. “Investigation of velocity and turbulence measurement techniques for riverine hydrokinetic turbine sites.” 2016. Web. 04 Mar 2021.

Vancouver:

d'Auteuil S. Investigation of velocity and turbulence measurement techniques for riverine hydrokinetic turbine sites. [Internet] [Masters thesis]. University of Manitoba; 2016. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1993/32520.

Council of Science Editors:

d'Auteuil S. Investigation of velocity and turbulence measurement techniques for riverine hydrokinetic turbine sites. [Masters Thesis]. University of Manitoba; 2016. Available from: http://hdl.handle.net/1993/32520

Université de Sherbrooke

9. Benchikh Lehocine, Allaeddine. Modélisation numérique d’une hydrolienne à axe horizontal de type Darrieus en eau peu profonde: Numerical modeling of a Darrieus horizontal axis hydrokinetic turbine in shallow water.

Degree: 2019, Université de Sherbrooke

URL: http://hdl.handle.net/11143/15270

► Abstract: Energy constraints are becoming increasingly important as global consumption continues to increase day by day. The price of oil fluctuates continuously tending yet is… (more)

▼ Abstract: Energy constraints are becoming increasingly important as global consumption continues to increase day by day. The price of oil fluctuates continuously tending yet is predicted to increase substantially under more stringent environmental requirements. The idea of turning to and developing renewable alternatives has become paramount. The electric energy produced by hydrokinetic turbines is one of the most exploited alternative sources. Among these hydrokinetic turbines, the Darrieus vertical axis hydrokinetic turbine DVAHT has been largely considered. On the contrary, the horizontal Darrieus configuration for river applications has never been studied numerically. Moreover, no geometrical optimization of blade profile has been carried out to improve its performances and no research on the influence of the water height has yet been done. To answer these problems, three different studies are performed increasingly progressively the complexity of the flow configuration. A numerical benchmark of the RANS (Reynolds-Averaged Navier-Stokes) turbulence closure models with two equations and LES (large eddy simulation) subgrid scale models is first carried out on the turbulent flow around a bed mounted D-section. A comparison is made between the numerical results and 2D planar and 3D stereoscopic PIV (particle image velocimetry) measurements. In comparison with the other models, the low-Reynolds k-! SST model correctly reproduces the shear layer above the D-section. On the other hand, the high-Reynolds number k- model is more accurate in the recirculation region downstream the obstacle. The results produced by the Wale LES model appear better than those obtained by the Smagorinsky model which is more dissipative. Spectral analysis shows no distinguishable peaks in the wake region. The POD (proper orthogonal decomposition) is applied in the wake region in order to extract the different modes. In the second study, a Darrieus horizontal axis hydrokinetic turbine DHAHT is modeled using unsteady 2.5D RANS simulations based on the low-Reynolds k-! SST turbulence model. Four blades profile are tested for the fully submerged configuration. The numerical approach is first validated and shows less than a 13 % error against experimental data published on a wind turbine. The S1046 profile produces higher performances than the NACA0018 profile. In the dynamic stall and transition regions, the S809 profile showed the poorest performance. For high tip-speed ratios, the FXLV152 produces the highest power coefficient. The effect of blade number N on the DHAHT with the S1046 has also been investigated. For N = 4 and 2, the best performance is obtained at low and high tip-speed ratios, respectively. In a last study, instantaneous 2.5D multiphase simulations are run using the VOF (volume of fluid) method in order to quantify the influence of the free surface and water level on DHAHT performance. The DHAHT is tested in two configurations: partially (configuration 1) or completely submerged (configuration… Advisors/Committee Members: Lacey, Jay (advisor), Poncet, Sébastien (advisor).

Subjects/Keywords: Hydrolienne; Darrieus; Modélisation numérique; Turbulence; LES; POD; Hydrokinetic turbine; Numerical modelling

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APA (6^th Edition):

Benchikh Lehocine, A. (2019). Modélisation numérique d’une hydrolienne à axe horizontal de type Darrieus en eau peu profonde: Numerical modeling of a Darrieus horizontal axis hydrokinetic turbine in shallow water. (Doctoral Dissertation). Université de Sherbrooke. Retrieved from http://hdl.handle.net/11143/15270

Chicago Manual of Style (16^th Edition):

Benchikh Lehocine, Allaeddine. “Modélisation numérique d’une hydrolienne à axe horizontal de type Darrieus en eau peu profonde: Numerical modeling of a Darrieus horizontal axis hydrokinetic turbine in shallow water.” 2019. Doctoral Dissertation, Université de Sherbrooke. Accessed March 04, 2021. http://hdl.handle.net/11143/15270.

MLA Handbook (7^th Edition):

Benchikh Lehocine, Allaeddine. “Modélisation numérique d’une hydrolienne à axe horizontal de type Darrieus en eau peu profonde: Numerical modeling of a Darrieus horizontal axis hydrokinetic turbine in shallow water.” 2019. Web. 04 Mar 2021.

Vancouver:

Benchikh Lehocine A. Modélisation numérique d’une hydrolienne à axe horizontal de type Darrieus en eau peu profonde: Numerical modeling of a Darrieus horizontal axis hydrokinetic turbine in shallow water. [Internet] [Doctoral dissertation]. Université de Sherbrooke; 2019. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/11143/15270.

Council of Science Editors:

Benchikh Lehocine A. Modélisation numérique d’une hydrolienne à axe horizontal de type Darrieus en eau peu profonde: Numerical modeling of a Darrieus horizontal axis hydrokinetic turbine in shallow water. [Doctoral Dissertation]. Université de Sherbrooke; 2019. Available from: http://hdl.handle.net/11143/15270

Lehigh University

10. Creciun, Peter Michael. The Effects of Blockage Ratio and Distance from a Free Surface on the Performance of a Hydrokinetic Turbine.

Degree: MS, Mechanical Engineering, 2013, Lehigh University

URL: https://preserve.lehigh.edu/etd/1463

► Blockage ratio and distance below a free surface are two factors that potentially affect hydrokinetic turbine performance. The extent of the effects of these parameters… (more)

Subjects/Keywords: blockage; free surface; hydrokinetic; turbine; Engineering; Mechanical Engineering

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APA (6^th Edition):

Creciun, P. M. (2013). The Effects of Blockage Ratio and Distance from a Free Surface on the Performance of a Hydrokinetic Turbine. (Thesis). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/1463

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):

Creciun, Peter Michael. “The Effects of Blockage Ratio and Distance from a Free Surface on the Performance of a Hydrokinetic Turbine.” 2013. Thesis, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/1463.

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

MLA Handbook (7^th Edition):

Creciun, Peter Michael. “The Effects of Blockage Ratio and Distance from a Free Surface on the Performance of a Hydrokinetic Turbine.” 2013. Web. 04 Mar 2021.

Vancouver:

Creciun PM. The Effects of Blockage Ratio and Distance from a Free Surface on the Performance of a Hydrokinetic Turbine. [Internet] [Thesis]. Lehigh University; 2013. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/1463.

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

Council of Science Editors:

Creciun PM. The Effects of Blockage Ratio and Distance from a Free Surface on the Performance of a Hydrokinetic Turbine. [Thesis]. Lehigh University; 2013. Available from: https://preserve.lehigh.edu/etd/1463

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

Lehigh University

11. Jonas, Joseph David. Computational Study of Multiple Hydrokinetic Turbine Performance.

Degree: MS, Mechanical Engineering, 2014, Lehigh University

URL: https://preserve.lehigh.edu/etd/1519

► The k-omega Shear Stress Transport turbulence model was used to determine the performance of a pair of horizontal-axis hydrokinetic turbines. By varying the separation… (more)

Subjects/Keywords: CFD; Computational; fluid; hydro; Hydrokinetic; turbine; Engineering; Mechanical Engineering

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APA (6^th Edition):

Jonas, J. D. (2014). Computational Study of Multiple Hydrokinetic Turbine Performance. (Thesis). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/1519

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):

Jonas, Joseph David. “Computational Study of Multiple Hydrokinetic Turbine Performance.” 2014. Thesis, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/1519.

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

MLA Handbook (7^th Edition):

Jonas, Joseph David. “Computational Study of Multiple Hydrokinetic Turbine Performance.” 2014. Web. 04 Mar 2021.

Vancouver:

Jonas JD. Computational Study of Multiple Hydrokinetic Turbine Performance. [Internet] [Thesis]. Lehigh University; 2014. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/1519.

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

Council of Science Editors:

Jonas JD. Computational Study of Multiple Hydrokinetic Turbine Performance. [Thesis]. Lehigh University; 2014. Available from: https://preserve.lehigh.edu/etd/1519

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

Lehigh University

12. Oblas, Nick. Design, Manufacture and Prototyping of a Hydrokinetic Turbine Unit for River Application.

Degree: MS, Mechanical Engineering, 2016, Lehigh University

URL: https://preserve.lehigh.edu/etd/2747

► Hydrokinetic technology has a long history as a viable long term renewable energy. It has outpaced wind energy production in the U.S. due to the… (more)

Subjects/Keywords: David Taylor Model Basin; hydrokinetic; hydropower; turbine; Engineering; Mechanical Engineering

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APA (6^th Edition):

Oblas, N. (2016). Design, Manufacture and Prototyping of a Hydrokinetic Turbine Unit for River Application. (Thesis). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/2747

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):

Oblas, Nick. “Design, Manufacture and Prototyping of a Hydrokinetic Turbine Unit for River Application.” 2016. Thesis, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/2747.

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

MLA Handbook (7^th Edition):

Oblas, Nick. “Design, Manufacture and Prototyping of a Hydrokinetic Turbine Unit for River Application.” 2016. Web. 04 Mar 2021.

Vancouver:

Oblas N. Design, Manufacture and Prototyping of a Hydrokinetic Turbine Unit for River Application. [Internet] [Thesis]. Lehigh University; 2016. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/2747.

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

Council of Science Editors:

Oblas N. Design, Manufacture and Prototyping of a Hydrokinetic Turbine Unit for River Application. [Thesis]. Lehigh University; 2016. Available from: https://preserve.lehigh.edu/etd/2747

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

Penn State University

13. Phillips, Ryan Stephen. Cavitation Assessment and Hydrodynamic Performance Characteristics of a Marine Hydrokinetic Turbine Foil Design.

Degree: 2012, Penn State University

URL: https://submit-etda.libraries.psu.edu/catalog/15590

► A uniquely designed hydrofoil for use on MHK turbines was tested in a water tunnel at The Pennsylvania State University's Applied Research Lab Garfield Thomas… (more)

Subjects/Keywords: MHK Turbine; Hydrokinetic; cavitation; roughness sensitivity; renewable energy; hydrodynamic performance; hydrofoil; experiment

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APA (6^th Edition):

Phillips, R. S. (2012). Cavitation Assessment and Hydrodynamic Performance Characteristics of a Marine Hydrokinetic Turbine Foil Design. (Thesis). Penn State University. Retrieved from https://submit-etda.libraries.psu.edu/catalog/15590

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):

Phillips, Ryan Stephen. “Cavitation Assessment and Hydrodynamic Performance Characteristics of a Marine Hydrokinetic Turbine Foil Design.” 2012. Thesis, Penn State University. Accessed March 04, 2021. https://submit-etda.libraries.psu.edu/catalog/15590.

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

MLA Handbook (7^th Edition):

Phillips, Ryan Stephen. “Cavitation Assessment and Hydrodynamic Performance Characteristics of a Marine Hydrokinetic Turbine Foil Design.” 2012. Web. 04 Mar 2021.

Vancouver:

Phillips RS. Cavitation Assessment and Hydrodynamic Performance Characteristics of a Marine Hydrokinetic Turbine Foil Design. [Internet] [Thesis]. Penn State University; 2012. [cited 2021 Mar 04]. Available from: https://submit-etda.libraries.psu.edu/catalog/15590.

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

Council of Science Editors:

Phillips RS. Cavitation Assessment and Hydrodynamic Performance Characteristics of a Marine Hydrokinetic Turbine Foil Design. [Thesis]. Penn State University; 2012. Available from: https://submit-etda.libraries.psu.edu/catalog/15590

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

Lithuanian University of Agriculture

14. Mažeikytė, Ernesta. Upių hidrokinetinės energijos gavybos ir aplinkosaugos priemonių integracija.

Degree: Master, Civil Enginering, 2013, Lithuanian University of Agriculture

URL: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130621_142517-76906 ;

►

Magistrantūros studijų baigiamasis darbas 52 lapai, 30 paveikslų, 4 lentelės, 41 literatūros šaltiniai. PAGRINDINIAI ŽODŽIAI: Hidrokinetinė energija, turbinos, nepatvankinė technologija, hidroelektrinė. Tiriamojo darbo objektas: Nepatvankinių… (more)

▼

Magistrantūros studijų baigiamasis darbas 52 lapai, 30 paveikslų, 4 lentelės, 41 literatūros šaltiniai. PAGRINDINIAI ŽODŽIAI: Hidrokinetinė energija, turbinos, nepatvankinė technologija, hidroelektrinė. Tiriamojo darbo objektas: Nepatvankinių technologijų panaudojimas upių hidrokinetinės energijos gavybai. Tiriamojo darbo tikslas: Įvertinti nepatvankinių energijos gavybos technologijų ir aplinkosaugos priemonių integracinius suderinamumus. Tiriamojo darbo uždaviniai: 1. Apžvelgti hidrokinetinės energijos panaudojimo taikant nepatvankines technologijas patirtį užsienio šalyse. 2. Apžvelgti hidrokinetinės energijos taikant nepatvankines technologijas panaudojimo siekius Lietuvoje. 3. Išanalizuoti nepatvankinių technologijų schemas. 4. Išanalizuoti nepatvankinių technologijų poveikį vandens ekosistemoms. 5. Įvertinti galimas nepatvankinių technologijų poveikio vandens ekosistemoms sumažinimo priemones. Tiriamojo darbo metodika: literatūros apžvalgos skyrius rašomas referatyviai, analizuojant mokslinius šaltinius. Duomenys tyrimui renkami analizuojant lietuvišką ir užsienio literatūrą, patentus, schemas, didžiausią dėmesį atkreipiant į nepatvankines energijos gavybos technologijas ir jų poveikį aplinkai. Tiriamojo darbo rezultatai: 1. Literatūros analizėje apžvelgta hidrokinetinės energijos panaudojimo taikant nepatvankines technologijas patirtis Lietuvoje, bei užsienyje. 2. Išanalizuotos nepatvankinių technologijų schemos, bei nepatvankinių technologijų poveikis ekosistemoms. 3.... [toliau žr. visą tekstą]

The final master work consisting of 52 sheets, 30 images, 4 tables, 41 sources of literature. Key words: hydrokinetic energy, turbines, non-affluent technology, hydroelectric power plant. The object of this work: use of non – affluent technologies in extracting hydrokinetic energy out of the rivers. Main goal of this work: estimate the compatibility between non – affluent energy extracting technologies and tools of environment control integrity. Tasks of this work: 1. Overview of the hydrokinetic energy use abroad applying non – affluent technologies. 2. Overview of the hydrokinetic energy implementation and goals into Lithuanian market. 3. Analyses of the schemes about non – affluent technologies. 4. Analyze the impact of non-affluent technologies to eco systems. 5. Estimate the possible tools for decreasing impact of the non-affluent technologies to water eco systems. Methodology of this work: Literature overview charter is written abstractly analyzing scholarly sources. Data for the research was collected by analyzing Lithuanian and foreign literature, licenses, schemes considering non-affluent energy extraction technologies and their impact to the environment. The results of the work: 1. In literature analysis overviewed the experience of the hydrokinetic energy use applying non-affluent technologies in Lithuania and abroad. 2. Analyzed the schemes of the non – affluent technologies and their impact to the eco systems. 3. Estimating the tools for decreasing impact of the... [to full text]

Advisors/Committee Members: KVARACIEJUS, Algis (Master’s thesis supervisor), ADAMONYTĖ, Inga (Master’s thesis reviewer), DAPKIENĖ, Midona (Master’s thesis reviewer).

Subjects/Keywords: Hidrokinetinė energija; Turbinos; Nepatvankinė technologija; Hidroelektrinė; Hydrokinetic energy; Turbines; Non-affluent technology; Hydroelectric power plant

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APA (6^th Edition):

Mažeikytė, Ernesta. (2013). Upių hidrokinetinės energijos gavybos ir aplinkosaugos priemonių integracija. (Masters Thesis). Lithuanian University of Agriculture. Retrieved from http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130621_142517-76906 ;

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Chicago Manual of Style (16^th Edition):

Mažeikytė, Ernesta. “Upių hidrokinetinės energijos gavybos ir aplinkosaugos priemonių integracija.” 2013. Masters Thesis, Lithuanian University of Agriculture. Accessed March 04, 2021. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130621_142517-76906 ;.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

MLA Handbook (7^th Edition):

Mažeikytė, Ernesta. “Upių hidrokinetinės energijos gavybos ir aplinkosaugos priemonių integracija.” 2013. Web. 04 Mar 2021.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Vancouver:

Mažeikytė, Ernesta. Upių hidrokinetinės energijos gavybos ir aplinkosaugos priemonių integracija. [Internet] [Masters thesis]. Lithuanian University of Agriculture; 2013. [cited 2021 Mar 04]. Available from: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130621_142517-76906 ;.

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

Council of Science Editors:

Mažeikytė, Ernesta. Upių hidrokinetinės energijos gavybos ir aplinkosaugos priemonių integracija. [Masters Thesis]. Lithuanian University of Agriculture; 2013. Available from: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130621_142517-76906 ;

Note: this citation may be lacking information needed for this citation format:
Author name may be incomplete

University of Adelaide

15. Derakhshandeh, Javad Farrokhi. Harnessing Hydrokinetic Energy from Vortex-Induced Vibration (VIV).

Degree: 2015, University of Adelaide

URL: http://hdl.handle.net/2440/119460

► In this dissertation, the application of Vortex-Induced Vibration (VIV) and Wake-Induced Vibration (WIV) of a bluff body for harnessing the kinetic energy of a fluid… (more)

▼ In this dissertation, the application of Vortex-Induced Vibration (VIV) and Wake-Induced Vibration (WIV) of a bluff body for harnessing the kinetic energy of a fluid flow is presented. The application of induced vibration due to vortices in harnessing hydrokinetic energy of the fluid is relatively immature and this research work, which is written as a compilation of journal articles, attempts to address major scientific and technological gaps in this field. The project spans both VIV and WIV, with a particular attention to the development of a better understanding of the wake behaviour in a tandem configuration and the effect of boundary layers for harnessing the kinetic energy of the flow. Accordingly, two separate coupled test cases of tandem bodies comprising Coupled Circular-Cylinder (CCC) and Coupled Cylinder-Airfoil (CCA) configurations were proposed and investigated. In the first series of tests on the CCC, two circular cylinders were employed to investigate the unsteady wake interactions on the energy yield. The upstream cylinder was fixed, while the downstream one was mounted on a virtual elastic base with one degree of freedom. The virtual elastic system consisted of a motor and a controller, a belt-pulley transmission and a carriage. In the CCC, the influence of the Reynolds number, gap between cylinders and boundary layers on the dynamic response of the downstream cylinder were numerically and experimentally investigated. In a numerical analyse of the system, a dynamic mesh technique within the ANSYS Fluent package was utilized to simulate the dynamic response of the cylinder. The experimental tests confirmed the numerical outcomes and demonstrated that in the WIV mechanisms, a positive kinetic energy transfer from fluid flow to the cylinder was achieved. It is also observed that the dynamic response of the cylinder under the WIV mechanism differs from the dynamic response of VIV. In addition, both numerical and experimental results indicated that a staggered arrangement with 3.5 ≤ x₀/D ≤ 4.5 and 1 ≤ y₀/D ≤ 2 (here, D is the diameter of the cylinder, and x₀ and y₀ are the horizontal and vertical offsets, respectively) is the optimum arrangement among all test cases to harness the energy of vortices, resulting in a power coefficient of 28%. This was achieved due to the favourable phase lag between the velocity of the cylinder and force imposed by the fluid. The results revealed that for the staggered arrangement of the cylinders, the WIV responses can occur at frequencies outside the range in which VIV is observed. In the second series of tests utilizing a CCA, the downstream circular cylinder was replaced by a symmetric airfoil with two degrees of freedom; heave and pitch. The heave degree of freedom employed the same virtual elastic base used for the CCC experiments. The pitch angle of the foil was actively controlled, as opposed to using passive mechanical impedance, since this enables full control over the foil behaviour, thereby facilitating the adjustment of the angle of attack accurately and… Advisors/Committee Members: Arjomandi, Maziar (advisor), School of Mechanical Engineering (school).

Subjects/Keywords: Vortex-induced vibration; wake-induced vibration; hydrokinetic energy; vortex shedding; bluff bodies

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APA (6^th Edition):

Derakhshandeh, J. F. (2015). Harnessing Hydrokinetic Energy from Vortex-Induced Vibration (VIV). (Thesis). University of Adelaide. Retrieved from http://hdl.handle.net/2440/119460

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):

Derakhshandeh, Javad Farrokhi. “Harnessing Hydrokinetic Energy from Vortex-Induced Vibration (VIV).” 2015. Thesis, University of Adelaide. Accessed March 04, 2021. http://hdl.handle.net/2440/119460.

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

MLA Handbook (7^th Edition):

Derakhshandeh, Javad Farrokhi. “Harnessing Hydrokinetic Energy from Vortex-Induced Vibration (VIV).” 2015. Web. 04 Mar 2021.

Vancouver:

Derakhshandeh JF. Harnessing Hydrokinetic Energy from Vortex-Induced Vibration (VIV). [Internet] [Thesis]. University of Adelaide; 2015. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/2440/119460.

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

Council of Science Editors:

Derakhshandeh JF. Harnessing Hydrokinetic Energy from Vortex-Induced Vibration (VIV). [Thesis]. University of Adelaide; 2015. Available from: http://hdl.handle.net/2440/119460

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

Brno University of Technology

16. Zrebný, Radim. Hydrokinetické turbíny: Hydrokinetic turbines.

Degree: 2020, Brno University of Technology

URL: http://hdl.handle.net/11012/191910

► Bachelor thesis concerns about problematics of hydrokinetic turbines. First part briefly describes potential areas of utilization. Second chapter includes research of available technical solutions, its… (more)

Subjects/Keywords: Hydrokinetiká turbína; Betzův limit; teorie osamoceného profilu; Hydrokinetic turbine; Betz limit; Blade Element Theory

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APA (6^th Edition):

Zrebný, R. (2020). Hydrokinetické turbíny: Hydrokinetic turbines. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/191910

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):

Zrebný, Radim. “Hydrokinetické turbíny: Hydrokinetic turbines.” 2020. Thesis, Brno University of Technology. Accessed March 04, 2021. http://hdl.handle.net/11012/191910.

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

MLA Handbook (7^th Edition):

Zrebný, Radim. “Hydrokinetické turbíny: Hydrokinetic turbines.” 2020. Web. 04 Mar 2021.

Vancouver:

Zrebný R. Hydrokinetické turbíny: Hydrokinetic turbines. [Internet] [Thesis]. Brno University of Technology; 2020. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/11012/191910.

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

Council of Science Editors:

Zrebný R. Hydrokinetické turbíny: Hydrokinetic turbines. [Thesis]. Brno University of Technology; 2020. Available from: http://hdl.handle.net/11012/191910

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

University of Manitoba

17. Soviak, Jody. A numerical investigation into the effects of positioning and rotation on the performance of two vertical-axis hydrokinetic turbines.

Degree: Mechanical Engineering, 2016, University of Manitoba

URL: http://hdl.handle.net/1993/31749

► Numerical simulation allows investigation into the influence of separation distance and rotation on the performance of two vertical-axis hydrokinetic turbines. Compu- tational fluid dynamics is… (more)

Subjects/Keywords: renewable energy; hydrokinetic turbines; turbine interactions; numerical; computational fluid dynamics; large eddy simulation

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APA (6^th Edition):

Soviak, J. (2016). A numerical investigation into the effects of positioning and rotation on the performance of two vertical-axis hydrokinetic turbines. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/31749

Chicago Manual of Style (16^th Edition):

Soviak, Jody. “A numerical investigation into the effects of positioning and rotation on the performance of two vertical-axis hydrokinetic turbines.” 2016. Masters Thesis, University of Manitoba. Accessed March 04, 2021. http://hdl.handle.net/1993/31749.

MLA Handbook (7^th Edition):

Soviak, Jody. “A numerical investigation into the effects of positioning and rotation on the performance of two vertical-axis hydrokinetic turbines.” 2016. Web. 04 Mar 2021.

Vancouver:

Soviak J. A numerical investigation into the effects of positioning and rotation on the performance of two vertical-axis hydrokinetic turbines. [Internet] [Masters thesis]. University of Manitoba; 2016. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1993/31749.

Council of Science Editors:

Soviak J. A numerical investigation into the effects of positioning and rotation on the performance of two vertical-axis hydrokinetic turbines. [Masters Thesis]. University of Manitoba; 2016. Available from: http://hdl.handle.net/1993/31749

18. Ulvmyr, Amanda. Potential risks and prospects of protections of a hydrokinetic turbine implemented in the Amazon River, Colombia : A theoretical and practical study.

Degree: Science and Technology (starting 2013), 2016, Karlstad University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43745

►

Electricity has been proved to be a crucial factor to achieve an economic and social development in emergent countries and is seen as a… (more)

▼

Electricity has been proved to be a crucial factor to achieve an economic and social development in emergent countries and is seen as a necessity to deplete the world’s poverty. As energy resources are getting scarce, a higher implementation of renewable electricity generation, such as hydropower, is a necessity. Hydrokinetic turbines, which use slow flowing water as a source of energy, are to be installed in the Amazonas River in Colombia. The Amazon River has high amount of sediment and flowing objects due to the large quantity of vegetation in the area. This leaves the turbine exposed to a higher degree of erosion on the blades and a higher risk of getting clogged. The efficiency will decrease and the turbine will have an impending risk of getting damaged. By adapting the hydrokinetic turbine for the conditions prevailing in the Amazon basin, the efficiency can be improved and a longer lifetime for the turbine is given. A field study was conducted to attain the velocity and amount of sediment in the Amazon River through measurements. The collected data was analyzed and used as input values during simulations of a turbine model by the Computational Fluid Dynamics program COMSOL. Areas on the turbine exposed to the water with a high velocity, and containing a high concentration of sediment, were examined and proposals for protection were given. Also the necessity and consequences of installing a protective grate in front of the turbine were investigated. The turbine will be exposed to almost a factor of 12 000 higher erosive wear in the Amazon River than in Swedish water as of the higher amount of sediment. The investigation states that areas on the tip of the blade’s rear side and the area close to the rotating center are most exposed to erosion and will be in need of protection in form of a harder surface. A grate will be necessary to provide a longer lifetime for the turbine, but will result in a decreased power output from the turbine by up to 46 %.

Elektricitet har bevisats vara en viktig komponent för en ekonomisk och social utveckling i utvecklingsländer och ses därför som en nödvändighet för att minska fattigdomen i världen. Energikällorna är dock hårt utnyttjade och en högre andel förnyelsebar elektrisk generering, genom bland annat vattenkraft, är en nödvändighet. Hydrokinetiska turbiner, vilka producerar el på långsamt flödande vatten, ska implementeras i Amazonfloden i Colombia. Amazonfloden har en hög andel sediment samt flytande objekt i floden på grund av den höga andel vegetation i området. Detta ger en ökad erosion på bladen samt risk för igentäppning av turbinen efter implementering. En lägre effektivitet samt hög risk för skada på turbinerna erhålls. Genom att adaptera den hydrokinetiska turbinen för förhållanden som råder i Amazonasfloden kan verkningsgraden förbättras och en längre livslängd på turbinen kan erhållas. En fältstudie utfördes där mätningar över vattenhastigheter, mängd sediment samt större objekt i floden genomfördes och…

Subjects/Keywords: Hydrokinetic energy; erosion; CFD simulations

…1 1.3. HYDROKINETIC TURBINES… …al. 2011). 1.3. Hydrokinetic turbines A water level below 1.5 m also contains… …difference in water level is available, hydrokinetic hydropower. Hydrokinetic turbines are defined… …currents. For implementations in rivers, hydrokinetic turbines are an attractive alternative for… …Fernandes, Rostami 2015). The power generation from hydrokinetic turbines, P, is calculated…

11 more images…

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APA (6^th Edition):

Ulvmyr, A. (2016). Potential risks and prospects of protections of a hydrokinetic turbine implemented in the Amazon River, Colombia : A theoretical and practical study. (Thesis). Karlstad University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43745

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):

Ulvmyr, Amanda. “Potential risks and prospects of protections of a hydrokinetic turbine implemented in the Amazon River, Colombia : A theoretical and practical study.” 2016. Thesis, Karlstad University. Accessed March 04, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43745.

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

MLA Handbook (7^th Edition):

Ulvmyr, Amanda. “Potential risks and prospects of protections of a hydrokinetic turbine implemented in the Amazon River, Colombia : A theoretical and practical study.” 2016. Web. 04 Mar 2021.

Vancouver:

Ulvmyr A. Potential risks and prospects of protections of a hydrokinetic turbine implemented in the Amazon River, Colombia : A theoretical and practical study. [Internet] [Thesis]. Karlstad University; 2016. [cited 2021 Mar 04]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43745.

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

Council of Science Editors:

Ulvmyr A. Potential risks and prospects of protections of a hydrokinetic turbine implemented in the Amazon River, Colombia : A theoretical and practical study. [Thesis]. Karlstad University; 2016. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43745

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

University of Washington

19. Bagi, Akshay Basavaraj. Numerical Simulation of Debris Impact on Hydrokinetic Infrastructure.

Degree: 2018, University of Washington

URL: http://hdl.handle.net/1773/41694

► This thesis studies the impacts of river debris on a hydro-kinetic infrastructure (Research Debris Diversion Platform - RDDP) by coupling Computational Fluid Dynamics (CFD) and… (more)

Subjects/Keywords: Debris; Hydrokinetic turbines; Renewable energy; Run of the river; Energy; Mechanical engineering

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APA (6^th Edition):

Bagi, A. B. (2018). Numerical Simulation of Debris Impact on Hydrokinetic Infrastructure. (Thesis). University of Washington. Retrieved from http://hdl.handle.net/1773/41694

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):

Bagi, Akshay Basavaraj. “Numerical Simulation of Debris Impact on Hydrokinetic Infrastructure.” 2018. Thesis, University of Washington. Accessed March 04, 2021. http://hdl.handle.net/1773/41694.

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

MLA Handbook (7^th Edition):

Bagi, Akshay Basavaraj. “Numerical Simulation of Debris Impact on Hydrokinetic Infrastructure.” 2018. Web. 04 Mar 2021.

Vancouver:

Bagi AB. Numerical Simulation of Debris Impact on Hydrokinetic Infrastructure. [Internet] [Thesis]. University of Washington; 2018. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/1773/41694.

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

Council of Science Editors:

Bagi AB. Numerical Simulation of Debris Impact on Hydrokinetic Infrastructure. [Thesis]. University of Washington; 2018. Available from: http://hdl.handle.net/1773/41694

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

University of Minnesota

20. Chawdhary, Saurabh. Multi-resolution Modeling and Simulation of Marine Hydrokinetic Turbine Arrays at Site Scale.

Degree: PhD, Mechanical Engineering, 2017, University of Minnesota

URL: http://hdl.handle.net/11299/188855

► Marine and hydro-kinetic (MHK) energy hold promise to become significant contributor towards sustainable energy generation. Despite the promise, commercialization of MHK energy technologies is still… (more)

▼ Marine and hydro-kinetic (MHK) energy hold promise to become significant contributor towards sustainable energy generation. Despite the promise, commercialization of MHK energy technologies is still in the development stage. While many simplified models for MHK site resource-assessment exist, more research is needed to enable efficient energy extraction from identified MHK sites. A marine energy company named Verdant Power Inc. was granted first federal license to install up to 30 axial hydrokinetic turbines in the East River in New York City under what came to be known as Roosevelt Island Tidal Energy (RITE) project. Therefore, in this study we investigate issues of relevance to post-site-identification stage for a real-life tidal energy project, the RITE project, using high-fidelity numerical simulations. An effective way to develop arrays of hydrokinetic turbines in river and tidal channels is to arrange them in TriFrame configurations where three turbines are mounted together at the apexes of a triangular frame. The TriFrames serve as the building block for rapidly deploying multi-turbine arrays. The wake structure of a TriFrame of three model turbines is investigated. We employ large-eddy simulation (LES) with the curvilinear immersed boundary method (CURVIB) for fully resolving the turbine geometry details to simulate turbine-turbine wake interactions in the TriFrame configuration. First, the computed results are compared with experiments in terms of mean flow and turbulence characteristics with overall good agreement with bed-flume experiments. The flow-fields are then analyzed to elucidate the mechanisms of turbine interactions and wake evolution in the TriFrame configuration. We found that the wake of the upstream TriFrame turbine exhibits unique characteristics indicating presence of the Venturi effect as the wake encounters the two downstream turbines. We finally compare the wakes of the TriFrame turbines with that of an isolated single turbine wake to further illustrate how the TriFrame configuration affects the wake characteristics and power production in an array of TriFrames. Lastly, we propose a large eddy simulation (LES)-based framework to investigate the site-specific flow dynamics past MHK arrays in a real-life marine environment. To this end, the new generation unstructured Cartesian flow solver, coupled with a sharp interface immersed boundary method for 3D incompressible flows, is used. Optimized data-structures and efficient algorithms were developed to enable faster simulation on high-resolution grids. Multi-resolution simulations on locally refined grids are then employed to model the flow in a section of the East River with detailed river bathymetry and inset turbines at field scale. The results are analyzed in terms of the wake recovery and overall wake dynamics in the array. Comparison with the baseline flow in the East River reveal the effects of tidal array installation.

Subjects/Keywords: axial turbines; computational fluid dynamics; fluid mechanics; marine hydrokinetic energy; renewable energy; simulation

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

APA (6^th Edition):

Chawdhary, S. (2017). Multi-resolution Modeling and Simulation of Marine Hydrokinetic Turbine Arrays at Site Scale. (Doctoral Dissertation). University of Minnesota. Retrieved from http://hdl.handle.net/11299/188855

Chicago Manual of Style (16^th Edition):

Chawdhary, Saurabh. “Multi-resolution Modeling and Simulation of Marine Hydrokinetic Turbine Arrays at Site Scale.” 2017. Doctoral Dissertation, University of Minnesota. Accessed March 04, 2021. http://hdl.handle.net/11299/188855.

MLA Handbook (7^th Edition):

Chawdhary, Saurabh. “Multi-resolution Modeling and Simulation of Marine Hydrokinetic Turbine Arrays at Site Scale.” 2017. Web. 04 Mar 2021.

Vancouver:

Chawdhary S. Multi-resolution Modeling and Simulation of Marine Hydrokinetic Turbine Arrays at Site Scale. [Internet] [Doctoral dissertation]. University of Minnesota; 2017. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/11299/188855.

Council of Science Editors:

Chawdhary S. Multi-resolution Modeling and Simulation of Marine Hydrokinetic Turbine Arrays at Site Scale. [Doctoral Dissertation]. University of Minnesota; 2017. Available from: http://hdl.handle.net/11299/188855

University of Minnesota

21. Hill, Craig. Interactions Between Channel Topography and Hydrokinetic Turbines: Sediment Transport, Turbine Performance, and Wake Characteristics.

Degree: PhD, Civil Engineering, 2015, University of Minnesota

URL: http://hdl.handle.net/11299/175467

► Accelerating marine hydrokinetic (MHK) renewable energy development towards commercial viability requires investigating interactions between the engineered environment and its surrounding physical and biological environments. Complex… (more)

▼ Accelerating marine hydrokinetic (MHK) renewable energy development towards commercial viability requires investigating interactions between the engineered environment and its surrounding physical and biological environments. Complex and energetic hydrodynamic and morphodynamic environments desired for such energy conversion installations present difficulties for designing efficient yet robust sustainable devices, while permitting agency uncertainties regarding MHK device environmental interactions result in lengthy and costly processes prior to installing and demonstrating emerging technologies. A research program at St. Anthony Falls Laboratory (SAFL), University of Minnesota, utilized multi-scale physical experiments to study the interactions between axial-flow hydrokinetic turbines, turbulent open channel flow, sediment transport, turbulent turbine wakes, and complex hydro-morphodynamic processes in channels. Model axial-flow current-driven three-bladed turbines (rotor diameters, dT = 0.15m and 0.5m) were installed in open channel flumes with both erodible and non-erodible substrates. Device-induced local scour was monitored over several hydraulic conditions and material sizes. Synchronous velocity, bed elevation and turbine performance measurements provide an indication into the effect channel topography has on device performance. Complimentary experiments were performed in a realistic meandering outdoor research channel with active sediment transport to investigate device interactions with bedform migration and secondary turbulent flow patterns in asymmetric channel environments. The suite of experiments undertaken during this research program at SAFL in multiple channels with stationary and mobile substrates under a variety of turbine configurations provides an in-depth investigation into how axial-flow hydrokinetic devices respond to turbulent channel flow and topographic complexity, and how they impact local and far-field sediment transport characteristics. Results provide the foundation for investigating advanced turbine control strategies for optimal power production in non-stationary environments, while also providing a robust data-set for computational model validation for further investigating the interactions between energy conversion devices and the physical environment.

Subjects/Keywords: foundation scour; hydrokinetic turbine; marine renewable energy; sediment transport; tidal energy; turbine wake

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

APA (6^th Edition):

Hill, C. (2015). Interactions Between Channel Topography and Hydrokinetic Turbines: Sediment Transport, Turbine Performance, and Wake Characteristics. (Doctoral Dissertation). University of Minnesota. Retrieved from http://hdl.handle.net/11299/175467

Chicago Manual of Style (16^th Edition):

Hill, Craig. “Interactions Between Channel Topography and Hydrokinetic Turbines: Sediment Transport, Turbine Performance, and Wake Characteristics.” 2015. Doctoral Dissertation, University of Minnesota. Accessed March 04, 2021. http://hdl.handle.net/11299/175467.

MLA Handbook (7^th Edition):

Hill, Craig. “Interactions Between Channel Topography and Hydrokinetic Turbines: Sediment Transport, Turbine Performance, and Wake Characteristics.” 2015. Web. 04 Mar 2021.

Vancouver:

Hill C. Interactions Between Channel Topography and Hydrokinetic Turbines: Sediment Transport, Turbine Performance, and Wake Characteristics. [Internet] [Doctoral dissertation]. University of Minnesota; 2015. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/11299/175467.

Council of Science Editors:

Hill C. Interactions Between Channel Topography and Hydrokinetic Turbines: Sediment Transport, Turbine Performance, and Wake Characteristics. [Doctoral Dissertation]. University of Minnesota; 2015. Available from: http://hdl.handle.net/11299/175467

22. Gagnon, Ian. A Hydrokinetic Energy Conversion System for Use at Bridges with the Memorial Bridge as a Case Study.

Degree: MS, 2018, University of New Hampshire

URL: https://scholars.unh.edu/thesis/1220

► As a part of the Living Bridge Project on the Memorial Bridge between Portsmouth, NH and Kittery, ME a turbine deployment system for use at… (more)

Subjects/Keywords: Bridge; Hydrokinetic Turbine; Living Bridge Project; Resource Assessment; Tidal Energy; Tidal Turbine; Energy; Ocean engineering

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APA (6^th Edition):

Gagnon, I. (2018). A Hydrokinetic Energy Conversion System for Use at Bridges with the Memorial Bridge as a Case Study. (Thesis). University of New Hampshire. Retrieved from https://scholars.unh.edu/thesis/1220

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):

Gagnon, Ian. “A Hydrokinetic Energy Conversion System for Use at Bridges with the Memorial Bridge as a Case Study.” 2018. Thesis, University of New Hampshire. Accessed March 04, 2021. https://scholars.unh.edu/thesis/1220.

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

MLA Handbook (7^th Edition):

Gagnon, Ian. “A Hydrokinetic Energy Conversion System for Use at Bridges with the Memorial Bridge as a Case Study.” 2018. Web. 04 Mar 2021.

Vancouver:

Gagnon I. A Hydrokinetic Energy Conversion System for Use at Bridges with the Memorial Bridge as a Case Study. [Internet] [Thesis]. University of New Hampshire; 2018. [cited 2021 Mar 04]. Available from: https://scholars.unh.edu/thesis/1220.

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

Council of Science Editors:

Gagnon I. A Hydrokinetic Energy Conversion System for Use at Bridges with the Memorial Bridge as a Case Study. [Thesis]. University of New Hampshire; 2018. Available from: https://scholars.unh.edu/thesis/1220

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

Lehigh University

23. Schleicher, William Christopher. Design Optimization of a Portable, Turbine.

Degree: PhD, Mechanical Engineering, 2015, Lehigh University

URL: https://preserve.lehigh.edu/etd/1617

► Marine and hydrokinetic (MHK) technology is a growing field that encompasses many different types of turbomachinery that operate on the kinetic energy of water. Micro… (more)

Subjects/Keywords: CFD; Hydrokinetic; Portable Turbine; Propeller; Responce Surface Optimization; Turbulence; Engineering; Mechanical Engineering

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APA (6^th Edition):

Schleicher, W. C. (2015). Design Optimization of a Portable, Turbine. (Doctoral Dissertation). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/1617

Chicago Manual of Style (16^th Edition):

Schleicher, William Christopher. “Design Optimization of a Portable, Turbine.” 2015. Doctoral Dissertation, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/1617.

MLA Handbook (7^th Edition):

Schleicher, William Christopher. “Design Optimization of a Portable, Turbine.” 2015. Web. 04 Mar 2021.

Vancouver:

Schleicher WC. Design Optimization of a Portable, Turbine. [Internet] [Doctoral dissertation]. Lehigh University; 2015. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/1617.

Council of Science Editors:

Schleicher WC. Design Optimization of a Portable, Turbine. [Doctoral Dissertation]. Lehigh University; 2015. Available from: https://preserve.lehigh.edu/etd/1617

Lehigh University

24. Modali, Pranav Kashyap. On Performance and Wake Characteristics of a Tidal Turbine under Yaw.

Degree: MS, Computational and Engineering Mechanics, 2016, Lehigh University

URL: https://preserve.lehigh.edu/etd/2732

► Tidal turbines when subjected to a yawed inflow experience a deficit in its performance. In addition, the yawed inflow affects the downstream wake propagation and… (more)

Subjects/Keywords: curvature correction; Marine hydrokinetic turbine; tidal energy; Tidal Turbine; yaw; Computational Engineering; Engineering; Mechanical Engineering

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

APA (6^th Edition):

Modali, P. K. (2016). On Performance and Wake Characteristics of a Tidal Turbine under Yaw. (Thesis). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/2732

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):

Modali, Pranav Kashyap. “On Performance and Wake Characteristics of a Tidal Turbine under Yaw.” 2016. Thesis, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/2732.

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

MLA Handbook (7^th Edition):

Modali, Pranav Kashyap. “On Performance and Wake Characteristics of a Tidal Turbine under Yaw.” 2016. Web. 04 Mar 2021.

Vancouver:

Modali PK. On Performance and Wake Characteristics of a Tidal Turbine under Yaw. [Internet] [Thesis]. Lehigh University; 2016. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/2732.

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

Council of Science Editors:

Modali PK. On Performance and Wake Characteristics of a Tidal Turbine under Yaw. [Thesis]. Lehigh University; 2016. Available from: https://preserve.lehigh.edu/etd/2732

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

Lehigh University

25. DASKIRAN, COSAN. Large eddy simulations of ventilated micro-hydrokinetic turbine and pump-turbines.

Degree: PhD, Mechanical Engineering, 2018, Lehigh University

URL: https://preserve.lehigh.edu/etd/4275

► Large eddy simulations of ventilated hydrokinetic turbine and pump-turbine are conducted. The mathematical modeling of oxygen dissolution and the flow model employed were validated by… (more)

Subjects/Keywords: Aeration; Hydrokinetic turbine; Large eddy simulation; Mixture multiphase model; Pump-turbine; Wastewater treatment; Mechanical Engineering

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

APA (6^th Edition):

DASKIRAN, C. (2018). Large eddy simulations of ventilated micro-hydrokinetic turbine and pump-turbines. (Doctoral Dissertation). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/4275

Chicago Manual of Style (16^th Edition):

DASKIRAN, COSAN. “Large eddy simulations of ventilated micro-hydrokinetic turbine and pump-turbines.” 2018. Doctoral Dissertation, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/4275.

MLA Handbook (7^th Edition):

DASKIRAN, COSAN. “Large eddy simulations of ventilated micro-hydrokinetic turbine and pump-turbines.” 2018. Web. 04 Mar 2021.

Vancouver:

DASKIRAN C. Large eddy simulations of ventilated micro-hydrokinetic turbine and pump-turbines. [Internet] [Doctoral dissertation]. Lehigh University; 2018. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/4275.

Council of Science Editors:

DASKIRAN C. Large eddy simulations of ventilated micro-hydrokinetic turbine and pump-turbines. [Doctoral Dissertation]. Lehigh University; 2018. Available from: https://preserve.lehigh.edu/etd/4275

26. Badger, Andréa René. Technology assessment of hydrokinetic energy: Run-of-river and in-stream tidal systems.

Degree: 2011, James Madison University

URL: https://commons.lib.jmu.edu/master201019/141

► This is an assessment of the emerging technology of hydrokinetic energy, specifically for current-based systems in rivers, streams or canals. The over reliance on fossil… (more)

Subjects/Keywords: technology assessment; hydrokinetic; alternative energy; electricity; United States; Oil, Gas, and Energy

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APA (6^th Edition):

Badger, A. R. (2011). Technology assessment of hydrokinetic energy: Run-of-river and in-stream tidal systems. (Masters Thesis). James Madison University. Retrieved from https://commons.lib.jmu.edu/master201019/141

Chicago Manual of Style (16^th Edition):

Badger, Andréa René. “Technology assessment of hydrokinetic energy: Run-of-river and in-stream tidal systems.” 2011. Masters Thesis, James Madison University. Accessed March 04, 2021. https://commons.lib.jmu.edu/master201019/141.

MLA Handbook (7^th Edition):

Badger, Andréa René. “Technology assessment of hydrokinetic energy: Run-of-river and in-stream tidal systems.” 2011. Web. 04 Mar 2021.

Vancouver:

Badger AR. Technology assessment of hydrokinetic energy: Run-of-river and in-stream tidal systems. [Internet] [Masters thesis]. James Madison University; 2011. [cited 2021 Mar 04]. Available from: https://commons.lib.jmu.edu/master201019/141.

Council of Science Editors:

Badger AR. Technology assessment of hydrokinetic energy: Run-of-river and in-stream tidal systems. [Masters Thesis]. James Madison University; 2011. Available from: https://commons.lib.jmu.edu/master201019/141

Virginia Tech

27. Petrie, John E. High Resolution Measurements of the Mean Three-dimensional Flow Field in a Natural River.

Degree: PhD, Civil Engineering, 2013, Virginia Tech

URL: http://hdl.handle.net/10919/50987

► The flow velocity in a river is three-dimensional (3D), turbulent, and varies in time and space. Capturing this variability in field measurements to support studies… (more)

▼ The flow velocity in a river is three-dimensional (3D), turbulent, and varies in time and space. Capturing this variability in field measurements to support studies of river processes has proven particularly challenging. While originally developed to measure discharge, boat-mounted acoustic Doppler current profilers (ADCP) are increasingly used in field studies to quantify flow features including mean velocity, boundary shear stress, and sediment motion. Two survey procedures are typically employed with an ADCP. Moving-vessel (MV) measurements provide spatially-rich velocity data while temporally-rich data are obtained with fixed-vessel (FV) procedures. Given the relative ease of MV measurements, recent work has focused on developing MV procedures that produce comparable results to FV measurements. At the present, results of this work are inconclusive. Additionally, there is a lack of reported data and procedures for FV measurements. This work seeks to develop techniques to present 3D velocity data obtained in natural rivers in a unified framework. This framework is based on a stream-fitted coordinate system defined by the flow direction at a cross section and allows for 3D velocity to be decomposed into streamwise, spanwise, and vertical components. Procedures are developed to assure that the velocity profiles measured at fixed locations are (1) not negatively impacted by the inevitable motion of the ADCP, (2) statistically stationary, and (3) of sufficient record length to determine the mean velocity. The coordinate system allows time-averaged velocity from FV procedures to be compared with spatially-averaged velocity from MV vessels. Significant differences are found between the two survey procedures, particularly for secondary velocity components. Ultimately, integrating results of the two survey procedures leads to an improved representation of the mean flow field. The techniques are applied to data obtained on a study reach on the lower Roanoke River, located in eastern North Carolina. Advisors/Committee Members: Diplas, Panayiotis (committeechair), Gutierrez, Marte S. (committeechair), Hession, William Cully (committee member), Cox, William E. (committee member).

Subjects/Keywords: acoustic Doppler current profiler; field measurements; secondary flows; turbulent flow; hydrokinetic energy generation

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APA (6^th Edition):

Petrie, J. E. (2013). High Resolution Measurements of the Mean Three-dimensional Flow Field in a Natural River. (Doctoral Dissertation). Virginia Tech. Retrieved from http://hdl.handle.net/10919/50987

Chicago Manual of Style (16^th Edition):

Petrie, John E. “High Resolution Measurements of the Mean Three-dimensional Flow Field in a Natural River.” 2013. Doctoral Dissertation, Virginia Tech. Accessed March 04, 2021. http://hdl.handle.net/10919/50987.

MLA Handbook (7^th Edition):

Petrie, John E. “High Resolution Measurements of the Mean Three-dimensional Flow Field in a Natural River.” 2013. Web. 04 Mar 2021.

Vancouver:

Petrie JE. High Resolution Measurements of the Mean Three-dimensional Flow Field in a Natural River. [Internet] [Doctoral dissertation]. Virginia Tech; 2013. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/10919/50987.

Council of Science Editors:

Petrie JE. High Resolution Measurements of the Mean Three-dimensional Flow Field in a Natural River. [Doctoral Dissertation]. Virginia Tech; 2013. Available from: http://hdl.handle.net/10919/50987

28. Arghya Sadhukha. Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions; Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions.

Degree: Department, 2013, Maharaja Krishnakumarsinhji Bhavnagar University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/50057

none

Reference Not Given

Advisors/Committee Members: Dr N.H Khan.

Subjects/Keywords: catalysts; characterization; chiral; epoxides; hydrokinetic; reactions; Synthesis

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APA (6^th Edition):

Sadhukha, A. (2013). Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions; Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions. (Thesis). Maharaja Krishnakumarsinhji Bhavnagar University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/50057

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):

Sadhukha, Arghya. “Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions; Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions.” 2013. Thesis, Maharaja Krishnakumarsinhji Bhavnagar University. Accessed March 04, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/50057.

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

MLA Handbook (7^th Edition):

Sadhukha, Arghya. “Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions; Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions.” 2013. Web. 04 Mar 2021.

Vancouver:

Sadhukha A. Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions; Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions. [Internet] [Thesis]. Maharaja Krishnakumarsinhji Bhavnagar University; 2013. [cited 2021 Mar 04]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/50057.

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

Council of Science Editors:

Sadhukha A. Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions; Synthesis and characterization of chiral catalysts for hydrokinetic resolution of racemic epoxides and asymmetric cyanation reactions. [Thesis]. Maharaja Krishnakumarsinhji Bhavnagar University; 2013. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/50057

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

29. Guillaud, Nathanaël. Simulation et optimisation de forme d'hydroliennes à flux transverse : Simulation and shape optimization of vertical axis hydrokinetic turbines.

Degree: Docteur es, Mécanique des fluides Energétique, Procédés, 2017, Université Grenoble Alpes (ComUE)

URL: http://www.theses.fr/2017GREAI061

►

Dans le cadre de la production d'électricité par énergie renouvelable, cette thèse a pour objectif de contribuer à l'amélioration des performances hydrodynamiques des hydroliennes à… (more)

▼

Dans le cadre de la production d'électricité par énergie renouvelable, cette thèse a pour objectif de contribuer à l'amélioration des performances hydrodynamiques des hydroliennes à flux transverse conçues par HydroQuest. Pour y parvenir, deux axes d'étude principaux sont proposés. Le premier consiste à améliorer la compréhension de la performance de l'hydrolienne et de l'écoulement en son sein par voie numérique. L'influence du paramètre d'avance ainsi que celle de la solidité de l'hydrolienne sont étudiées. Les écoulements mis en jeux étant complexes, une méthode de type Simulation des Granges Échelles 3D est utilisée afin de les restituer au mieux. Le phénomène de décrochage dynamique, qui apparaît pour certains régimes de fonctionnement de l'hydrolienne, fait l'objet d'une étude à part entière sur un cas de profil oscillant.Le second axe se concentre sur les carénages de l’hydrolienne qui font l'objet d'une procédure d'optimisation numérique. Afin de pouvoir réaliser les nombreuses simulations requises en un temps réaliste, des méthodes de type Unsteady Reynolds-Averaged Navier-Stokes 2D moins coûteuses et fournissant une précision suffisante pour ce type d'étude sont utilisées.

Within the renewable electricity production framework, this study aims to contribute to the efficiency improvement of the Vertical Axis Hydrokinetic Turbines designed by HydroQuest. To achieve this objective, two approaches are used. The first consists in the improvement of the comprehension of the turbine efficiency such as the flow through the turbine by numerical means. The influence of the tip speed ratio such as the turbine soldity are investigated. The flow through the turbine is complex. A 3D Large Eddy Simulation type is thus used. The dynamic stall phenomenon which could occur in Vertical Axis Hydrokinetic Turbines is also studied in a oscillating blade configuration.The second approach consists in the numerical optimization of the turbine channeling device. To perform the high number of simulations required, a 2D Unsteady Reynolds-Averaged Navier-Stokes simulation type is used.

Advisors/Committee Members: Goncalves Da Silva, Eric (thesis director), Balarac, Guillaume (thesis director).

Subjects/Keywords: Hydrolienne à flux transverse; Décrochage dynamique; Sge; Urans; Optimisation numérique; Vertical axis hydrokinetic turbine; Dynamic stall; Les; Urans; Numerical optimization; 600

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APA (6^th Edition):

Guillaud, N. (2017). Simulation et optimisation de forme d'hydroliennes à flux transverse : Simulation and shape optimization of vertical axis hydrokinetic turbines. (Doctoral Dissertation). Université Grenoble Alpes (ComUE). Retrieved from http://www.theses.fr/2017GREAI061

Chicago Manual of Style (16^th Edition):

Guillaud, Nathanaël. “Simulation et optimisation de forme d'hydroliennes à flux transverse : Simulation and shape optimization of vertical axis hydrokinetic turbines.” 2017. Doctoral Dissertation, Université Grenoble Alpes (ComUE). Accessed March 04, 2021. http://www.theses.fr/2017GREAI061.

MLA Handbook (7^th Edition):

Guillaud, Nathanaël. “Simulation et optimisation de forme d'hydroliennes à flux transverse : Simulation and shape optimization of vertical axis hydrokinetic turbines.” 2017. Web. 04 Mar 2021.

Vancouver:

Guillaud N. Simulation et optimisation de forme d'hydroliennes à flux transverse : Simulation and shape optimization of vertical axis hydrokinetic turbines. [Internet] [Doctoral dissertation]. Université Grenoble Alpes (ComUE); 2017. [cited 2021 Mar 04]. Available from: http://www.theses.fr/2017GREAI061.

Council of Science Editors:

Guillaud N. Simulation et optimisation de forme d'hydroliennes à flux transverse : Simulation and shape optimization of vertical axis hydrokinetic turbines. [Doctoral Dissertation]. Université Grenoble Alpes (ComUE); 2017. Available from: http://www.theses.fr/2017GREAI061

30. Pasch, Matthew Michael. Measurements of Near Wake Characteristics of a Tidal Turbine under Yaw.

Degree: MS, Mechanical Engineering, 2017, Lehigh University

URL: https://preserve.lehigh.edu/etd/2928

► Tidal turbines when subjected to yawed inflow condition exhibit a deficit in performance. In addition to the reduction in the ability of the turbine to… (more)

Subjects/Keywords: Hydrokinetic Energy; Tidal Turbine; Yaw; Mechanical Engineering

…harnessing marine hydrokinetic energy in an analogous form to wind turbines. The focus of this… …hydrokinetic energy, primarily through Tidal Stream Turbines. Tidal Stream Turbines due to their… …available through hydrokinetic energy extraction in the United States has been estimated to be… …10 % of the United States current energy usage. Total theoretical hydrokinetic energy… …hydrokinetic energy; it is estimated that approximately 50 % of global research and development in…

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APA (6^th Edition):

Pasch, M. M. (2017). Measurements of Near Wake Characteristics of a Tidal Turbine under Yaw. (Thesis). Lehigh University. Retrieved from https://preserve.lehigh.edu/etd/2928

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):

Pasch, Matthew Michael. “Measurements of Near Wake Characteristics of a Tidal Turbine under Yaw.” 2017. Thesis, Lehigh University. Accessed March 04, 2021. https://preserve.lehigh.edu/etd/2928.

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

MLA Handbook (7^th Edition):

Pasch, Matthew Michael. “Measurements of Near Wake Characteristics of a Tidal Turbine under Yaw.” 2017. Web. 04 Mar 2021.

Vancouver:

Pasch MM. Measurements of Near Wake Characteristics of a Tidal Turbine under Yaw. [Internet] [Thesis]. Lehigh University; 2017. [cited 2021 Mar 04]. Available from: https://preserve.lehigh.edu/etd/2928.

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

Council of Science Editors:

Pasch MM. Measurements of Near Wake Characteristics of a Tidal Turbine under Yaw. [Thesis]. Lehigh University; 2017. Available from: https://preserve.lehigh.edu/etd/2928

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

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