subject:(volume variation)

Lithuanian University of Agriculture

1. Krygeris, Erikas. Brandžių medynų inventorizacijos miškotvarkos metu patikimumo įvertinimas.

Degree: Master, Forestry, 2009, Lithuanian University of Agriculture

URL: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090615_115026-92125 ;

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Magistro darbe tiriama brandžių medynų inventorizacijos miškotvarkos metu patikimumas. Darbo objektas – Kazlų Rūdos mokomosios miškų urėdijos valstybinės reikšmės miškų II-IV miškų grupės brandūs medynai.… (more)

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Magistro darbe tiriama brandžių medynų inventorizacijos miškotvarkos metu patikimumas. Darbo objektas – Kazlų Rūdos mokomosios miškų urėdijos valstybinės reikšmės miškų II-IV miškų grupės brandūs medynai. Darbo tikslas – išanalizuoti brandžių medynų inventorizacijos miškotvarkos metu tikslumą ir įvertinti atrankinės miškų inventorizacijos efektyvumą. Darbo metodai – Palyginamoji analizė, atrankos metodas. Darbo rezultatai - Brandžių medynų visuma inventorizuota atrankos metodu. Pagrindinis šio metodo pranašumas – jo objektyvumas, leidžiantis patikimai su žinoma atrankos paklaida įvertinti inventorizuotų medynų vidutinius rodiklius, pirmoje eilėje vidutinį tūrį. Tokiu būdu nustatytas brandžių medynų tūris yra 12 % didesnis už sklypinės inventorizacijos metu nustatytą tūrį, panaudojant taip pat atrankos metodą kiekviename sklype. Brandžių medynų visumos atrankinės inventorizacijos metu nustatytas medžių tūrio kintamumas, leisiantis geriau planuoti tokias inventorizacijas. Didžiausiu vidutinio medžių tūrio kintamumu Kazlų Rūdos miškų urėdijoje pasižymi brandūs pušynai (variacijos koeficientas – 48%). Beržynų ir eglynų tūrio variacijos koeficientas 40-41%, juodalksnynų - 37%.

The work object is Kazlų Rūda forest enterprises, II-IV group mature stands. The main goal of the work was to estimate the reliability of inventory mature stands during standwise inventory. Methods. Comparative analysis and sampling methods were used. The main results Mature stands were inventoried by sampling method. The main advantage of this method - its objectivity, which allow to estimate growing stock volume of mature stands with known error. Estimated mature stands volume of growing stock is 12 % higher than volume inventoried using angle count inventory method for each individual compartment. Estimated variation of growing stock of volume mature stands will allow to calculate other inventories. The highest variation of growing stock volume of mature stands Kazlų Rūda forest enterprise is in pine stands– 48 % medium, in birch and spruce stands 40-41 %, and the least in black alder stands– 37 %.

Advisors/Committee Members: Kuliešis, Andrius (Master’s thesis supervisor), Činga, Gintautas (Master’s thesis reviewer), Rutkauskas, Algirdas Juozas (Master’s thesis reviewer).

Subjects/Keywords: Brandūs medynai; Tūrio kintamumas; Patikimumas; Mature stand; Volume variation; Reliability

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APA (6^th Edition):

Krygeris, Erikas. (2009). Brandžių medynų inventorizacijos miškotvarkos metu patikimumo įvertinimas. (Masters Thesis). Lithuanian University of Agriculture. Retrieved from http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090615_115026-92125 ;

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

Chicago Manual of Style (16^th Edition):

Krygeris, Erikas. “Brandžių medynų inventorizacijos miškotvarkos metu patikimumo įvertinimas.” 2009. Masters Thesis, Lithuanian University of Agriculture. Accessed March 04, 2021. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090615_115026-92125 ;.

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

MLA Handbook (7^th Edition):

Krygeris, Erikas. “Brandžių medynų inventorizacijos miškotvarkos metu patikimumo įvertinimas.” 2009. Web. 04 Mar 2021.

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

Vancouver:

Krygeris, Erikas. Brandžių medynų inventorizacijos miškotvarkos metu patikimumo įvertinimas. [Internet] [Masters thesis]. Lithuanian University of Agriculture; 2009. [cited 2021 Mar 04]. Available from: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090615_115026-92125 ;.

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

Council of Science Editors:

Krygeris, Erikas. Brandžių medynų inventorizacijos miškotvarkos metu patikimumo įvertinimas. [Masters Thesis]. Lithuanian University of Agriculture; 2009. Available from: http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2009~D_20090615_115026-92125 ;

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

North Carolina State University

2. Wood, Elizabeth Rachel. Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.).

Degree: MS, Forestry, 2009, North Carolina State University

URL: http://www.lib.ncsu.edu/resolver/1840.16/2561

► ABSTRACT WOOD, ELIZABETH RACHEL. Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.). (Under the direction of Dr. Bronson P. Bullock.) As volume… (more)

▼ ABSTRACT WOOD, ELIZABETH RACHEL. Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.). (Under the direction of Dr. Bronson P. Bullock.) As volume is the primary measure of value in loblolly pine (Pinus taeda L.) stands, knowledge about the stem taper of commonly deployed clones may help breeders better describe genetic gains made by clonal selection and can provide more accurate volume estimates. This study assessed the genetic variation of stem taper among clones propagated by somatic embryogenesis (SE) and compared growth traits of SE clones and seedlings from the same full-sibling families. SE clones from fifteen full-sibling families were measured in the eighth growing season across three test sites in coastal Georgia and South Carolina. Variance components and genetic parameters for taper and growth traits were estimated using restricted maximum likelihood (REML) techniques. Ten form quotients were used to analyze stem taper differences among clones and to assess taper impacts on total stem volume. Significant clonal and family variation was found among clones and families for form quotients, indicating that differences exist in stem taper among different genotypes. Total outside-bark stem volume was calculated from the taper data and compared to volumes estimated by two combined variable (D2H) models (the Amateis and Burkhart (1987) and Warner-Goebel (1963) equations) to determine if these existing models could be used for clonal volume estimation. Total measured stem volume was found to be accurately predicted by the Amateis and Burkhart (1987) model. Taper impacts on total volume were minimal after accounting for diameter at breast height and total height. Variation among clones accounted for 3.4% to 26% of the total phenotypic variance for taper and growth traits. Clone mean heritability estimates for form quotients and growth traits were moderate to very high (0.60 to 0.94), indicative of substantial genetic variability for these stem form characteristics. While considerable genetic variation exists for stem taper among clones, the impacts of taper differences in the lower portion of the stem (below 12.5 feet) on total volume were small after accounting for total height and diameter at breast height. As long as volume remains the primary measure of value in loblolly pine, additional measures of taper beyond height and diameter at breast height are not necessary to describe differences in total volume among these particular SE clones. As vegetative propagation methods such as somatic embryogenesis are increasingly employed in clonal forestry, it is important that clones deployed commercially are well-tested and exhibit growth characteristics similar or superior to that of seedlings. SE clones and seedlings from the same nine full-sibling families were measured in the eighth growing season across three test sites in coastal Georgia and South Carolina. Stem taper and growth traits of SE trees and zygotic seedlings were compared in order to examine differences between… Advisors/Committee Members: Dr. Fikret Isik, Committee Member (advisor), Dr. Bronson P. Bullock, Committee Chair (advisor), Dr. Steven E. McKeand, Committee Member (advisor).

Subjects/Keywords: propagation; volume; growth traits; clonal variation; tree improvement; pinus taeda; loblolly; somatic embryogenesis; genetic variation; mixed model; stem taper; form quotient

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APA (6^th Edition):

Wood, E. R. (2009). Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.). (Thesis). North Carolina State University. Retrieved from http://www.lib.ncsu.edu/resolver/1840.16/2561

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):

Wood, Elizabeth Rachel. “Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.).” 2009. Thesis, North Carolina State University. Accessed March 04, 2021. http://www.lib.ncsu.edu/resolver/1840.16/2561.

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

MLA Handbook (7^th Edition):

Wood, Elizabeth Rachel. “Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.).” 2009. Web. 04 Mar 2021.

Vancouver:

Wood ER. Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.). [Internet] [Thesis]. North Carolina State University; 2009. [cited 2021 Mar 04]. Available from: http://www.lib.ncsu.edu/resolver/1840.16/2561.

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

Council of Science Editors:

Wood ER. Clonal Variation of Stem Taper in Loblolly Pine (Pinus taeda L.). [Thesis]. North Carolina State University; 2009. Available from: http://www.lib.ncsu.edu/resolver/1840.16/2561

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

University of Dayton

3. Duning, Solomon George. 3D Textile PMC Damage Evolution: Effects of Fiber Volume Fraction and Morphology Variation.

Degree: MS(M.S.), Mechanical Engineering, 2016, University of Dayton

URL: http://rave.ohiolink.edu/etdc/view?acc_num=dayton1461854275

► 3D textile polymer matrix composites (PMC) exhibit geometric and material state variances due to differences in manufacturing processes and a variety of other factors. Developing… (more)

Subjects/Keywords: Engineering; Mechanical Engineering; Materials Science; Mechanics; 3D Textile Polymer Matrix Composite; Fiber Volume Fraction Variation; Discrete Damage Modeling; Textile Morphology Variation; Inter-tow Property Variation; Tow Fiber Path Distribution

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

APA (6^th Edition):

Duning, S. G. (2016). 3D Textile PMC Damage Evolution: Effects of Fiber Volume Fraction and Morphology Variation. (Masters Thesis). University of Dayton. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=dayton1461854275

Chicago Manual of Style (16^th Edition):

Duning, Solomon George. “3D Textile PMC Damage Evolution: Effects of Fiber Volume Fraction and Morphology Variation.” 2016. Masters Thesis, University of Dayton. Accessed March 04, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1461854275.

MLA Handbook (7^th Edition):

Duning, Solomon George. “3D Textile PMC Damage Evolution: Effects of Fiber Volume Fraction and Morphology Variation.” 2016. Web. 04 Mar 2021.

Vancouver:

Duning SG. 3D Textile PMC Damage Evolution: Effects of Fiber Volume Fraction and Morphology Variation. [Internet] [Masters thesis]. University of Dayton; 2016. [cited 2021 Mar 04]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=dayton1461854275.

Council of Science Editors:

Duning SG. 3D Textile PMC Damage Evolution: Effects of Fiber Volume Fraction and Morphology Variation. [Masters Thesis]. University of Dayton; 2016. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=dayton1461854275

4. Marquez, Mainara da Rocha Karniol. \"Morfodinâmica de um segmento da praia da Ilha Comprida, litoral sul do Estado de São Paulo\".

Degree: Mestrado, Oceanografia Química e Geológica, 2007, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/21/21133/tde-19072007-132207/ ;

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A dinâmica de praia constitui conhecimento elementar em obras de engenharia e na compreensão da evolução costeira ao longo do Quaternário recente. Buscou-se avaliar a… (more)

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A dinâmica de praia constitui conhecimento elementar em obras de engenharia e na compreensão da evolução costeira ao longo do Quaternário recente. Buscou-se avaliar a variação temporal de curto período da morfologia e do volume de sedimento em um segmento na porção sul da praia da Ilha Comprida, litoral sul de São Paulo. Os resultados permitiram algumas interpretações, tanto em escala diária, como sazonal. As morfologias e os volumes do trecho estudado apresentaram maior similaridade entre as campanhas de maio de 2005 e janeiro de 2006, com estágio morfodinâmico de praia dissipativa, e entre agosto e novembro de 2005, com estágio de praia intermediária do tipo banco e calha. As ondas de sul com alturas de até 1 m e período médio entre 7 e 8 s atuaram no processo de engordamento da praia emersa, enquanto que as ondas desta mesma direção com alturas a partir de 1,5 m e período médio entre 8 e 10 s exerceram papel erosivo. De forma inversa, as ondas de leste com até 1 m de altura e período médio entre 6 e 8 s exerceram papel erosivo e com até 1,5 m e período médio entre 6 e 7 s, papel deposicional.

The knowledge of beach dynamics is fundamental in any coastal engineering projects as well as in the coastal evolution comprehension during the Late Quaternary. The aim of this study is to evaluate the short-term variations in morphology and sediment volume in a beach segment located in the southern portion of the Ilha Comprida, southern coast of the state of São Paulo, Brazil. The results allowed us to get important conclusions on daily and seasonal variations in beach morphology and behaviour. The morphology and volume data show similarity between may/2005 and jan/2006, with dissipative morphodynamic state characteristics, as well as between aug/2005 and nov/2005, characterized by an intermediate morphodynamic state. Southerly waves reaching 1m high and mean period between 7 and 8 s acts on the emerged part of the segment in a depositional way as well as southerly waves higher than 1,5 m and period between 8 and 10 s cause erosion in the same part of the beach profile. Easterly waves act in an opposite way, with lower heights causing erosion and higher causing deposition.

Advisors/Committee Members: Mahiques, Michel Michaelovitch de.

Subjects/Keywords: alongshore transport; avaliação de curto período; Beach morphodynamic; cross-shore transport; Ilha Comprida; Ilha Comprida; Morfodinâmica de praia; short-term evaluation; transporte longitudinal; transporte transversal; variação de volume; volume variation

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

APA (6^th Edition):

Marquez, M. d. R. K. (2007). \"Morfodinâmica de um segmento da praia da Ilha Comprida, litoral sul do Estado de São Paulo\". (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/21/21133/tde-19072007-132207/ ;

Chicago Manual of Style (16^th Edition):

Marquez, Mainara da Rocha Karniol. “\"Morfodinâmica de um segmento da praia da Ilha Comprida, litoral sul do Estado de São Paulo\".” 2007. Masters Thesis, University of São Paulo. Accessed March 04, 2021. http://www.teses.usp.br/teses/disponiveis/21/21133/tde-19072007-132207/ ;.

MLA Handbook (7^th Edition):

Marquez, Mainara da Rocha Karniol. “\"Morfodinâmica de um segmento da praia da Ilha Comprida, litoral sul do Estado de São Paulo\".” 2007. Web. 04 Mar 2021.

Vancouver:

Marquez MdRK. \"Morfodinâmica de um segmento da praia da Ilha Comprida, litoral sul do Estado de São Paulo\". [Internet] [Masters thesis]. University of São Paulo; 2007. [cited 2021 Mar 04]. Available from: http://www.teses.usp.br/teses/disponiveis/21/21133/tde-19072007-132207/ ;.

Council of Science Editors:

Marquez MdRK. \"Morfodinâmica de um segmento da praia da Ilha Comprida, litoral sul do Estado de São Paulo\". [Masters Thesis]. University of São Paulo; 2007. Available from: http://www.teses.usp.br/teses/disponiveis/21/21133/tde-19072007-132207/ ;

5. Lachhab, Abdelmonem. Caractérisation du comportement thermomécanique d'un polyuréthane compact et sous forme de mousse : application aux butées élastiques pour véhicules automobiles : Characterization of the thermomechanical behavior of a compact and foamed polyurethane : application to elastic bumpers for motor vehicles.

Degree: Docteur es, Mécanique, 2016, Rennes 1

URL: http://www.theses.fr/2016REN1S134

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L'objectif de cette thèse est de mener une caractérisation expérimentale complète du comportement mécanique et thermomécanique d'un polyuréthane thermoplastique compact et sous forme moussée, utilisé… (more)

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L'objectif de cette thèse est de mener une caractérisation expérimentale complète du comportement mécanique et thermomécanique d'un polyuréthane thermoplastique compact et sous forme moussée, utilisé dans la fabrication de pièces antivibratoires dans l'industrie automobile. Cette caractérisation est effectuée en s'appuyant sur des techniques d'imagerie quantitative, la thermographie infrarouge en particulier. D'un point de vue mécanique, la dépendance des différents phénomènes - effet Mullins, hystérésis mécanique, déformation résiduelle et variation de volume - à la densité initiale et à la vitesse de chargement a été établie. Sur le plan thermique et calorimétrique, la signature de ces différents phénomènes a été caractérisée et les bilans énergétiques menés ont permis d'estimer la dissipation mécanique en fonction des conditions d'essais et de la densité initiale du matériau. Les résultats de ces travaux constituent une base de données expérimentale pour l'identification de paramètres constitutifs et l'enrichissement de lois de comportement.

This PhD thesis deals with the full mechanical and thermomechanical characterization of thermoplastic polyurethane, in its compact and foam states, dedicated to antivibratory systems for automotive. This characterization has been carried out by using quantitative imaging techniques, especially infrared thermography. From a mechanical point of view, the dependency of the different phenomena involved in the material deformation - Mullins effect, mechanical hysteresis, residual deformation and volume change - on the initial density and loading rate has been established. The thermal and calorimetric signature of these phenomena has been characterized and the mechanical dissipation was estimated from energy balances. The results obtained provide an experimental database for the identification of constitutive parameters and the enrichment of behavior laws.

Advisors/Committee Members: Le Cam, Jean-Benoît (thesis director), Robin, Éric (thesis director).

Subjects/Keywords: Polyuréthane thermoplastique compact/moussé; Thermographie infrarouge; Effets inélastiques; Variation de volume; Sources de chaleur; Dissipation mécanique; Thermoplastic polyurethane compact/foamed; Infrared thermography; Inelastic effects; Volume change; Heat sources; Mechanical dissipation

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

APA (6^th Edition):

Lachhab, A. (2016). Caractérisation du comportement thermomécanique d'un polyuréthane compact et sous forme de mousse : application aux butées élastiques pour véhicules automobiles : Characterization of the thermomechanical behavior of a compact and foamed polyurethane : application to elastic bumpers for motor vehicles. (Doctoral Dissertation). Rennes 1. Retrieved from http://www.theses.fr/2016REN1S134

Chicago Manual of Style (16^th Edition):

Lachhab, Abdelmonem. “Caractérisation du comportement thermomécanique d'un polyuréthane compact et sous forme de mousse : application aux butées élastiques pour véhicules automobiles : Characterization of the thermomechanical behavior of a compact and foamed polyurethane : application to elastic bumpers for motor vehicles.” 2016. Doctoral Dissertation, Rennes 1. Accessed March 04, 2021. http://www.theses.fr/2016REN1S134.

MLA Handbook (7^th Edition):

Lachhab, Abdelmonem. “Caractérisation du comportement thermomécanique d'un polyuréthane compact et sous forme de mousse : application aux butées élastiques pour véhicules automobiles : Characterization of the thermomechanical behavior of a compact and foamed polyurethane : application to elastic bumpers for motor vehicles.” 2016. Web. 04 Mar 2021.

Vancouver:

Lachhab A. Caractérisation du comportement thermomécanique d'un polyuréthane compact et sous forme de mousse : application aux butées élastiques pour véhicules automobiles : Characterization of the thermomechanical behavior of a compact and foamed polyurethane : application to elastic bumpers for motor vehicles. [Internet] [Doctoral dissertation]. Rennes 1; 2016. [cited 2021 Mar 04]. Available from: http://www.theses.fr/2016REN1S134.

Council of Science Editors:

Lachhab A. Caractérisation du comportement thermomécanique d'un polyuréthane compact et sous forme de mousse : application aux butées élastiques pour véhicules automobiles : Characterization of the thermomechanical behavior of a compact and foamed polyurethane : application to elastic bumpers for motor vehicles. [Doctoral Dissertation]. Rennes 1; 2016. Available from: http://www.theses.fr/2016REN1S134

Freie Universität Berlin

6. Zallet, Jean-Philipp. Parameters for predicting an increase of stroke volume on intravenous fluid administration within a goal directed algorithm.

Degree: 2016, Freie Universität Berlin

URL: https://refubium.fu-berlin.de/handle/fub188/11720

► Background: A goal-directed hemodynamic management is becoming an increasingly important part of the perioperative anesthetic care and is associated with a reduction in perioperative morbidity.… (more)

▼ Background: A goal-directed hemodynamic management is becoming an increasingly important part of the perioperative anesthetic care and is associated with a reduction in perioperative morbidity. The aim of this study was to evaluate the Central Venous Pressure (CVP), the corrected Flow Time (FTc), Stroke Output Index (SOI) and the Stroke Volume Variation respect to the ability to predict an increase of the Stroke Volume (SV) >10% after volume administration within a goal-directed hemodynamic algorithm during gynecological high risk surgery. Methods: This thesis is a subanalysis of a prospective, randomized, controlled, double-blind, two-arm, single-center study comparing two infusion solutions in patients with primary ovarian cancer undergoing cytoreductive surgery. During surgery volume boluses were given in accordance with the goal- directed algorithm, based on stroke volume changes by the esophageal Doppler Monitor (ODM). All hemodynamic parameters were obtained before and after volume administration. Analyzing the predictive capability, the area under the receiver operating characteristics -curve (AUC) and the 95% confidence interval was calculated. Results: A total of 992 volume boluses were given in 48 patients. The predictive capability of all investigated parameters was poor. (AUCCVP 0,521 (0,484 – 0,559), P=0,256; AUCFTc 0,682 (0,715 – 0,648), P<0,001; AUCSOI 0,631 (0,666 – 0,596), P<0,001; AUCSVV 0,602 (0,560 – 0,644), P<0,001). The predictive capability of SVV regarding a tidalvolume (TV) > 8ml / kg KG was fair (AUCSVV** 0,708 (0,567 – 0,851), P<0,001), while regarding a TV < 8ml/ kg KG it was poor (AUCSVV* 0,603 (0,555 – 0,645), P<0,001). Conclusion: Neither CVP, FTc, SOI nor SVV allow the prediction of stroke volume changes >10% after volume administration within a goal-directed algorithm in patients with primary ovarian cancer undergoing tumor reductive surgery. Only the SVV at TV >8 ml/kg body weight met the criteria as a fair predictor. Advisors/Committee Members: m (gender), N.N. (firstReferee), N.N. (furtherReferee).

Subjects/Keywords: goal directed hemodynamic therapy; central venous pressure; flow-time corrected; stroke volume variation; stroke volume; 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

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

APA (6^th Edition):

Zallet, J. (2016). Parameters for predicting an increase of stroke volume on intravenous fluid administration within a goal directed algorithm. (Thesis). Freie Universität Berlin. Retrieved from https://refubium.fu-berlin.de/handle/fub188/11720

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):

Zallet, Jean-Philipp. “Parameters for predicting an increase of stroke volume on intravenous fluid administration within a goal directed algorithm.” 2016. Thesis, Freie Universität Berlin. Accessed March 04, 2021. https://refubium.fu-berlin.de/handle/fub188/11720.

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

MLA Handbook (7^th Edition):

Zallet, Jean-Philipp. “Parameters for predicting an increase of stroke volume on intravenous fluid administration within a goal directed algorithm.” 2016. Web. 04 Mar 2021.

Vancouver:

Zallet J. Parameters for predicting an increase of stroke volume on intravenous fluid administration within a goal directed algorithm. [Internet] [Thesis]. Freie Universität Berlin; 2016. [cited 2021 Mar 04]. Available from: https://refubium.fu-berlin.de/handle/fub188/11720.

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

Council of Science Editors:

Zallet J. Parameters for predicting an increase of stroke volume on intravenous fluid administration within a goal directed algorithm. [Thesis]. Freie Universität Berlin; 2016. Available from: https://refubium.fu-berlin.de/handle/fub188/11720

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

7. Moreno, Luciana Montel Moreno. Determinação da variação da pressão de pulso em cadelas mecanicamente ventiladas com e sem PEEP, submetidas à expansão volêmica durante cirurgia abdominal.

Degree: Mestrado, Clínica Cirúrgica Veterinária, 2008, University of São Paulo

URL: http://www.teses.usp.br/teses/disponiveis/10/10137/tde-22042009-152247/ ;

► Ao contrário dos indicadores estáticos, como a pressão venosa central e a pressão de oclusão da artéria pulmonar, a variação da pressão de pulso arterial… (more)

▼ Ao contrário dos indicadores estáticos, como a pressão venosa central e a pressão de oclusão da artéria pulmonar, a variação da pressão de pulso arterial tem se mostrado um indicador hemodinâmico preciso para a determinação da responsividade à administração de fluido. Objetivo: Este estudo objetivou mensurar a variação da pressão de pulso em cadelas mecanicamente ventiladas submetidas a expansão volêmica durante procedimento cirúrgico eletivo (ovário-salpingo-histerectomia) e determinar a relação deste indicador com os dados hemodinâmicos obtidos por meio do exame ecodopplercardiográfico transesofágico. Material e método: Quinze cadelas foram distribuídas aleatoriamente em dois grupos: sem pressão positiva ao final da expiração (GI - ZEEP, n = 7) e com pressão positiva ao final da expiração de 5cmH2O (GII - PEEP, n = 8). As avaliações hemodinâmicas incluindo freqüência cardíaca (FC), pressão arterial média invasiva (PaM), variação da pressão de pulso (VPP), pressão venosa central (PVC), volume sistólico (VE), índice cardíaco (IC), velocidade do fluxo aórtico (VFA) e gradiente de pressão do fluxo aórtico (Grad); análise de gases sangüíneos e parâmetros do sistema respiratório incluindo freqüência respiratória (FR) e pressão de pico inspiratória (PIP), foram mensuradas antes da aplicação da PEEP em cadelas do GII (M0); imediatamente antes (M1) e cinco minutos após (M2) a expansão volêmica com 10ml/Kg de solução de Ringer Lactato. Os grupos e tempos foram comparados por meio da análise de variância (ANOVA) seguida do teste de Tukey, com nível de significância de 5%. Resultados: A utilização da PEEP ocasionou um significante aumento dos seguintes parâmetros: VPP (M0 - 9.5 ± 2.92 vs M1 - 12.1 ± 2.19, P < 0.05); PVC ( 4.9 ± 2.47 vs 6.5 ± 2.73, P < 0.05); PIP (9.9 ± 1.36 vs 13.0 ± 2.2, P < 0.05) e PaO2 (336.5 ± 64.04 vs 373.6 ± 97.82, P < 0.05). Os animais do GI apresentaram um significante aumento dos seguintes parâmetros depois da expansão volêmica: VE (25.4 ± 3.92 vs 19.1 ± 3.22, P < 0.05), IC (3.8 ± 0.99 vs 2.4 ± 0.47, P < 0.05), VFA (93.8 ± 17.60 vs 74.5 ± 14.66, P < 0.05) e Grad (3.6 ± 1.30 vs 2.3 ± 0.92, P < 0.05). Alterações significativas também foram observadas nos seguintes parâmetros do GII depois da expansão volêmica: PaM (108.6 ± 20.6 vs 96.9 ± 19.97, P < 0.05), VPP (5.2 ± 1.8 vs 12.1 ± 2.19, P < 0.05), VE (26.6 ± 8.18 vs 20 ± 5.15, P < 0.05), IC (3.6 ± 0.90 vs 2.4 ± 0.56, P < 0.05), VFA (97.6 ± 25.49 vs 83.6 ± 24.12, P < 0.05) e Grad (4.0 ± 2.01 vs 3.0 ± 1.64, P < 0.05). Quando comparado M1 do GI e do GII, diferença significativa foi observada com a VPP (7.1 ± 1.64 vs 12.1 ± 2.19, P < 0.05). A FR foi maior no GII quando comparada ao GI (FR GII M1 e GII M2 - 16.9 ± 1.36 vs GI M1 - 14.9 ± 1.35 e GI M2 - 15.3 ± 1.5, P < 0.05). PIP foi também maior no GII quando comparada ao GI (GII M1 - 13.0 ± 2.20 vs GI M1 - 7.3 ± 2.21; GII M2 - 13.4 ± 2.50 vs GI M2 - 7.7 ± 2.14, P < 0.05). Conclusão: Este estudo mostrou que a variação da pressão de pulso é um índice adequado para avaliar o estado hemodinâmico durante a… Advisors/Committee Members: Fantoni, Denise Tabacchi.

Subjects/Keywords: Cães; Dogs; Echocardiography; Ecocardiografia; Expansão volêmica; Mechanical ventilation; Pulse pressure variation; Variação da pressão de pulso; Ventilação mecânica; Volume expansion

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APA (6^th Edition):

Moreno, L. M. M. (2008). Determinação da variação da pressão de pulso em cadelas mecanicamente ventiladas com e sem PEEP, submetidas à expansão volêmica durante cirurgia abdominal. (Masters Thesis). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/10/10137/tde-22042009-152247/ ;

Chicago Manual of Style (16^th Edition):

Moreno, Luciana Montel Moreno. “Determinação da variação da pressão de pulso em cadelas mecanicamente ventiladas com e sem PEEP, submetidas à expansão volêmica durante cirurgia abdominal.” 2008. Masters Thesis, University of São Paulo. Accessed March 04, 2021. http://www.teses.usp.br/teses/disponiveis/10/10137/tde-22042009-152247/ ;.

MLA Handbook (7^th Edition):

Moreno, Luciana Montel Moreno. “Determinação da variação da pressão de pulso em cadelas mecanicamente ventiladas com e sem PEEP, submetidas à expansão volêmica durante cirurgia abdominal.” 2008. Web. 04 Mar 2021.

Vancouver:

Moreno LMM. Determinação da variação da pressão de pulso em cadelas mecanicamente ventiladas com e sem PEEP, submetidas à expansão volêmica durante cirurgia abdominal. [Internet] [Masters thesis]. University of São Paulo; 2008. [cited 2021 Mar 04]. Available from: http://www.teses.usp.br/teses/disponiveis/10/10137/tde-22042009-152247/ ;.

Council of Science Editors:

Moreno LMM. Determinação da variação da pressão de pulso em cadelas mecanicamente ventiladas com e sem PEEP, submetidas à expansão volêmica durante cirurgia abdominal. [Masters Thesis]. University of São Paulo; 2008. Available from: http://www.teses.usp.br/teses/disponiveis/10/10137/tde-22042009-152247/ ;

8. Toftberger, Viktor. Mapping and improving the after sales flow in a high-tech assembly plant : A case study of the aftermarket at Saab Järfälla.

Degree: Technology and Social Sciences, 2018, Luleå University of Technology

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67334

► This thesis report is the final element of the Master of Science degree in Industrial Design Engineering at Luleå University of Technology, conducted between… (more)

▼ This thesis report is the final element of the Master of Science degree in Industrial Design Engineering at Luleå University of Technology, conducted between January and September 2017 at Saab AB Surveillance in Järfälla, Sweden. The purpose of this thesis project was to analyze the current situation inside production of aftermarket products with an aim to create an extensive mapping of the current situation. Resulting in suggestions for improvements to stabilize the production and creating integration between the aftermarket and new production. Products produced at Saab Järfälla are used in military defense applications where the larger systems in electronic warfare (EW) and countermeasure systems have very long life cycles, i.e. up to 40 years, and are being used in harsh environments. The products have to be maintained through various service agreements to include support with repairs, maintenance, supplies and transports between Saab and the client. One of these service agreements has a demanded net average lead time of N+12 days between Saab’s facilities and the client whereas N days inside the Järfälla production site. Mapping the situation and handling all the product information in a production with high-mix, low-volume characteristics have not been easy. The aftermarket processes inside Järfälla include diagnosing, reparation, assembling and testing to ensure the performance of the products. The aftermarket shares resources with the production of newly manufactured products which is one of the reasons creating a vast difference in the lead times standard deviation. Other reasons such as information handling, priority inference, flexibility issues and bad visual management has been the effect of causing delays in the production. The thesis project has been conducted through a development process using various methods for mapping the current situation and to come up with new ideas to improve the situation. Starting with a search in available literature and research about HMLV production, aftermarket situations and lean principles, onto using well-known methods for analyzing such as value stream mapping, Ishikawa diagrams and data collection to form a requirement specification for the upcoming solutions. As a result, in the analysis of the current state, the fact that the processes itself works almost flawlessly shows that causes for delays and lack of stability lies between the operations. Thereby through ideation, evaluation and further development towards the conducted requirement specification, a solution to start with is to make sure the visual management works. A solution creating a complete overview of the production between all operations integrating new products with aftermarket using a new kind of visual production control boards. These visual production control boards will help prioritizing using FIFO queues and daily meetings, seeing capacity demands and troubles easy by stacking station- or areawise and also create an altogether working flow together…

Subjects/Keywords: Aftermarket; After Sales Services; High-Mix Low-Volume Production; Production Planning; Visual management; Eftermarknad; Hög-variation låg-volym produktion; Produktionsplanering; Visuell styrning; Produktionsvisualisering; Engineering and Technology; Teknik och teknologier

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APA (6^th Edition):

Toftberger, V. (2018). Mapping and improving the after sales flow in a high-tech assembly plant : A case study of the aftermarket at Saab Järfälla. (Thesis). Luleå University of Technology. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67334

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):

Toftberger, Viktor. “Mapping and improving the after sales flow in a high-tech assembly plant : A case study of the aftermarket at Saab Järfälla.” 2018. Thesis, Luleå University of Technology. Accessed March 04, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67334.

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

MLA Handbook (7^th Edition):

Toftberger, Viktor. “Mapping and improving the after sales flow in a high-tech assembly plant : A case study of the aftermarket at Saab Järfälla.” 2018. Web. 04 Mar 2021.

Vancouver:

Toftberger V. Mapping and improving the after sales flow in a high-tech assembly plant : A case study of the aftermarket at Saab Järfälla. [Internet] [Thesis]. Luleå University of Technology; 2018. [cited 2021 Mar 04]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67334.

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

Council of Science Editors:

Toftberger V. Mapping and improving the after sales flow in a high-tech assembly plant : A case study of the aftermarket at Saab Järfälla. [Thesis]. Luleå University of Technology; 2018. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-67334

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

9. Sandberg, Joakim. Development of a Laboratory Test Method for Assessment of Crater Wear Volume on Inserts for Steel Turning.

Degree: Engineering Sciences and Mathematics, 2019, Luleå University of Technology

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75569

► This thesis project was carried out at Sandvik Coromant in Västberga, Sweden with the purpose of developing a new laboratory test method for volumetric… (more)

▼ This thesis project was carried out at Sandvik Coromant in Västberga, Sweden with the purpose of developing a new laboratory test method for volumetric assessment of crater wear on inserts for steel turning. The test method was developed with the Sandvik Coromant´s existing crater wear measurement method as a starting point. Crater wear is currently measured as the projected area of exposed substrate, meaning where all coating layers have been removed. Based on earlier research on volume wear assessment, a focus variation microscope was selected to carry out 3D scans. To accurately measure the removed volume, an initial reference scan is required to capture individual variations existing on samples. The insert is then scanned after turning and compared with its reference. Factors affecting accuracy as well as possible improvements were identified as: Sample preparation, scan settings (resolution, quality) and data processing (alignment of scans, volume calculation etc.). Guiding alignment markers were created by laser ablation to help with alignment. CloudCompare software was used to process the scanned 3D point clouds. A step by step routine was developed to ensure consistent results. The repeatability was assessed showing 8% standard deviation in volume for a shallow crater within the coating to 2% for a large crater worn into the substrate. The new method provides the possibility to measure wear while still inside the coating, which has been previously unavailable data. This enables measurement of the contribution of each specific coating layer on the wear resistance such as wear rate of a single layer instead of a combined wear rate for all layers. Detailed coating wear analysis is a valuable tool for development of optimized coatings. The developed wear measurement method was implemented on a case study which demonstrated the capabilities regarding its ability to resolve performance differences in experimental coatings. Additional wear parameters were used beside crater volume to support wear rate analysis and novel ways of representing volume wear parameters were presented.

Subjects/Keywords: Crater wear; turning; focus variation; volume; Materials Engineering; Materialteknik

…surfaces was used to calculate the removed volume. Focus variation Recently, focus variation… …focus variation for wear volume analysis of cutting inserts have been published in the last… …variation and new types of analysis using wear volume parameters were published recently by Boing… …focus variation was selected as the most suitable technique for crater wear volume measurement… …the focus variation microscope. Volume measurement in the Alicona software (IF…

10 more images…

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

APA (6^th Edition):

Sandberg, J. (2019). Development of a Laboratory Test Method for Assessment of Crater Wear Volume on Inserts for Steel Turning. (Thesis). Luleå University of Technology. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75569

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):

Sandberg, Joakim. “Development of a Laboratory Test Method for Assessment of Crater Wear Volume on Inserts for Steel Turning.” 2019. Thesis, Luleå University of Technology. Accessed March 04, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75569.

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

MLA Handbook (7^th Edition):

Sandberg, Joakim. “Development of a Laboratory Test Method for Assessment of Crater Wear Volume on Inserts for Steel Turning.” 2019. Web. 04 Mar 2021.

Vancouver:

Sandberg J. Development of a Laboratory Test Method for Assessment of Crater Wear Volume on Inserts for Steel Turning. [Internet] [Thesis]. Luleå University of Technology; 2019. [cited 2021 Mar 04]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75569.

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

Council of Science Editors:

Sandberg J. Development of a Laboratory Test Method for Assessment of Crater Wear Volume on Inserts for Steel Turning. [Thesis]. Luleå University of Technology; 2019. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75569

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

University of Lund

10. Torbrand, Christian. Negative Pressure Wound Therapy - Effects on Sternotomy Wounds and the Intrathoracic Organs.

Degree: 2012, University of Lund

URL: https://lup.lub.lu.se/record/3158064 ; https://portal.research.lu.se/ws/files/3707463/3158233.pdf

► Negative pressure wound therapy (NPWT) has been widely adopted for the treatment of deep sternal wound infections due to its excellent clinical outcome. However, the… (more)

Subjects/Keywords: Ophthalmology; NPWT; negative pressure; vacuum-assisted closure; sternotomy wounds; deep sternal wound infection; mediastinitis; thoracic surgery; pressure transduction; neurohormones; neuropeptides; total heart volume variation; cardiac output; wound contraction; macrodeformation

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APA (6^th Edition):

Torbrand, C. (2012). Negative Pressure Wound Therapy - Effects on Sternotomy Wounds and the Intrathoracic Organs. (Doctoral Dissertation). University of Lund. Retrieved from https://lup.lub.lu.se/record/3158064 ; https://portal.research.lu.se/ws/files/3707463/3158233.pdf

Chicago Manual of Style (16^th Edition):

Torbrand, Christian. “Negative Pressure Wound Therapy - Effects on Sternotomy Wounds and the Intrathoracic Organs.” 2012. Doctoral Dissertation, University of Lund. Accessed March 04, 2021. https://lup.lub.lu.se/record/3158064 ; https://portal.research.lu.se/ws/files/3707463/3158233.pdf.

MLA Handbook (7^th Edition):

Torbrand, Christian. “Negative Pressure Wound Therapy - Effects on Sternotomy Wounds and the Intrathoracic Organs.” 2012. Web. 04 Mar 2021.

Vancouver:

Torbrand C. Negative Pressure Wound Therapy - Effects on Sternotomy Wounds and the Intrathoracic Organs. [Internet] [Doctoral dissertation]. University of Lund; 2012. [cited 2021 Mar 04]. Available from: https://lup.lub.lu.se/record/3158064 ; https://portal.research.lu.se/ws/files/3707463/3158233.pdf.

Council of Science Editors:

Torbrand C. Negative Pressure Wound Therapy - Effects on Sternotomy Wounds and the Intrathoracic Organs. [Doctoral Dissertation]. University of Lund; 2012. Available from: https://lup.lub.lu.se/record/3158064 ; https://portal.research.lu.se/ws/files/3707463/3158233.pdf

11. Arieby, Rida. Caractérisation mécanique et modélisation thermodynamique du comportement anisotrope du polyéthylène à haute densité. Intégration des effets d'endommagement : Characterization and thermodynamic modeling of the mechanical behaviour of anisotropic high density polyEthylene (HDPE). Integration of the damage effects.

Degree: Docteur es, Mécanique et énergétique, 2007, Lorraine INP

URL: http://www.theses.fr/2007INPL085N

►

L’objectif de ce mémoire de thèse est de contribuer à la connaissance du comportement mécanique en grandes déformations du Polyéthylène à Haute Densité anisotrope obtenu… (more)

▼

L’objectif de ce mémoire de thèse est de contribuer à la connaissance du comportement mécanique en grandes déformations du Polyéthylène à Haute Densité anisotrope obtenu par extrusion de plaques. Nous présentons le protocole et les résultats expérimentaux de traction séquencée, comportant des décharges, recharges et relaxations monotones et cycliques. Ces campagnes d’essais sont également centrées sur la mesure en temps réel de la variation de volume liée aux phénomènes d’endommagement. Les résultats sont présentés pour différentes orientations d’éprouvettes prélevées dans des plaques extrudées. La modélisation thermodynamique de l’ensemble des résultats, a fait l’objet d’un développement original conduisant à la prédiction unifiée de grandeurs en 3D : contrainte vraie axiale, déformations vraies transversales. Le modèle prévoit également le développement de l’endommagement et permet de mettre en évidence une variable tensorielle de dommage. L’identification des paramètres du modèle thermodynamique sur la base de données expérimentales conduit à des grandeurs physiques conformes aux caractéristiques de la microstructure. Ce travail ouvre la perspective d’un enrichissement de l’approche thermodynamique dans la direction de la prévision de l’anisotropie plastique induite des polymères semi-cristallins

The aim of this thesis is to contribute to the knowledge of the mechanical behavior in large strains of anisotropic High Density PolyEthylene (HDPE), obtained by extrusion of plates. We present the experimental procedure and the results for traction, with unloading, reloading and relaxation in monotonous and cyclic conditions. This work is also concerned with the measure in real time of the volume strain due to the phenomena of damage. The results are given for various orientations of specimen within the extruded plates. The thermodynamic modeling of the whole the results, is the subject of an original development leading to the unified prediction of measures in 3D: axial true stress, transverse true strains. The model also predicts the development of the damage and offer the possibility to introduce a tensorial damage variable. The identification of the model parameters on the basis of experimental data leads to physical quantities in conformity with the characteristics of the microstructure. This work opens the prospect for an enrichment of the thermodynamic approach in the direction of the prediction of the induced plastic anisotropy of semi-crystalline polymers

Advisors/Committee Members: Rahouadj, Rachid (thesis director), Cunat, Christian (thesis director).

Subjects/Keywords: Polyéthylène à Haute Densité; Polymères semi-cristallins; Thermodynamique des Processus Irréversibles; Endommagement; Variation de volume; Anisotropie; High Density PolyEthylene; Damage; Volume variation; Polymers semi-crystalline; Thermodynamics of Irreversible Processes (TPI); Anisotropy

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APA (6^th Edition):

Arieby, R. (2007). Caractérisation mécanique et modélisation thermodynamique du comportement anisotrope du polyéthylène à haute densité. Intégration des effets d'endommagement : Characterization and thermodynamic modeling of the mechanical behaviour of anisotropic high density polyEthylene (HDPE). Integration of the damage effects. (Doctoral Dissertation). Lorraine INP. Retrieved from http://www.theses.fr/2007INPL085N

Chicago Manual of Style (16^th Edition):

Arieby, Rida. “Caractérisation mécanique et modélisation thermodynamique du comportement anisotrope du polyéthylène à haute densité. Intégration des effets d'endommagement : Characterization and thermodynamic modeling of the mechanical behaviour of anisotropic high density polyEthylene (HDPE). Integration of the damage effects.” 2007. Doctoral Dissertation, Lorraine INP. Accessed March 04, 2021. http://www.theses.fr/2007INPL085N.

MLA Handbook (7^th Edition):

Arieby, Rida. “Caractérisation mécanique et modélisation thermodynamique du comportement anisotrope du polyéthylène à haute densité. Intégration des effets d'endommagement : Characterization and thermodynamic modeling of the mechanical behaviour of anisotropic high density polyEthylene (HDPE). Integration of the damage effects.” 2007. Web. 04 Mar 2021.

Vancouver:

Arieby R. Caractérisation mécanique et modélisation thermodynamique du comportement anisotrope du polyéthylène à haute densité. Intégration des effets d'endommagement : Characterization and thermodynamic modeling of the mechanical behaviour of anisotropic high density polyEthylene (HDPE). Integration of the damage effects. [Internet] [Doctoral dissertation]. Lorraine INP; 2007. [cited 2021 Mar 04]. Available from: http://www.theses.fr/2007INPL085N.

Council of Science Editors:

Arieby R. Caractérisation mécanique et modélisation thermodynamique du comportement anisotrope du polyéthylène à haute densité. Intégration des effets d'endommagement : Characterization and thermodynamic modeling of the mechanical behaviour of anisotropic high density polyEthylene (HDPE). Integration of the damage effects. [Doctoral Dissertation]. Lorraine INP; 2007. Available from: http://www.theses.fr/2007INPL085N

12. Wu, Jian. Contribution to numerical simulation of electrohydrodynamics flows : application to electro-convection and electro-thermo-convection between two parallel plates : Contribution à la simulation numérique d'écoulements électrohydrodynamiques : application à l'électro-convection et l'électro-thermo-convection entre deux plans parallèles.

Degree: Docteur es, Mécanique des milieux fluides, 2012, Poitiers

URL: http://www.theses.fr/2012POIT2263

►

Dans cette thèse, nous présentons une nouvelle approche pour la simulation numérique des phénomènes électroconvectifs et électro-therrno-convectifs. La principale difficulté réside dans la détermination du… (more)

▼

Dans cette thèse, nous présentons une nouvelle approche pour la simulation numérique des phénomènes électroconvectifs et électro-therrno-convectifs. La principale difficulté réside dans la détermination du champ électrique et de la distribution de densité volurnique de charges électriques. Dans cette approche, des schémas de type TVD (Total Variation Dirninishing) et IDC (ImprovedDeferred Correction) sont utilisées dans la discrétisation des flux convectifs et diffusifs par la méthode des volumes finis. La première partie de cette thèse présente certains aspects numériques liés à l'implémentation de ces schémas. Une approche unifiée pour les schémas convectifs TVD de type borné à haute résolution est présentée et diverses fonctions limiteur sont comparées. Dans une deuxième partie, l'électro-convection entre deux plaques parallèles est simulée. La méthodologie a étéévaluée et validée par la détermination des Critères de stabilité linéaire et non linéaire. Les différents scenarii d'évolution du développement de cette instabilité électroconvective vers l'état chaotique ont été définis. L'effet du mécanisme de diffusion la densité volumique de charge sur la boucle d'hystérésis et sur la structure de l'écoulement est étudié. L'influence du rapport d'aspect de la cavité est analysé. Enfin dans une dernière partie, nous étudions l'électro-thermo-convection lorsque le fluide est soumis simultanément à une injection unipolaire et à un gradient thermique. L'augmentation des transferts de chaleur a été caractérisée.

In this thesis, a numerical approach is presented to simulate the electro- and electro-thermo convection in dielectric liquids. The total variation diminishing (TVD) scheme and improved deferred correction (IDC) scheme are used to compute the convective and diffusive respectively. The aim of TVD scheme is to avoid non-physical oscillations and to capture high gradient of charge density. Some fundarnental aspects related to TVD and LDC schemes are investigated firstly. A unified approach for TVD schemes is explained and various limiter functions are compared. The connection among three methods for diffusive flux computation has been revealed. The original IDC scheme is improved by the application of 2nd order gradient evaluation method.The electro-convection between two parallel plates is then simulated. The methodology was assessed by the determination of the linear and nonlinear stability criterion. By continuously increasing the driving parameter, the successive instabilities and route to chaotic state has been defined. The effects of the diffusion mechanism for the charge density and vertical walls on the hysteresis 100p and the structure are also investigated. The last part is to simuiate electro-thermo-convection when injection and thermal gradient are simultaneously applied. Our solver was verified with a stationary and an overstable stability problem.The case that both heating and injection are from a bottom electrode has been analyzed in details. The neutral stabiliïy curve was reproduced. The existence…

Advisors/Committee Members: Romat, Hubert (thesis director), Traoré, Philippe (thesis director).

Subjects/Keywords: Liquide diélectrique; Électro-convection; Électro-thermo-convection; Schémas de type TVD; Schémas IDC; Injection unipolaire; Électrohydrodynamique; Dielectric liquid; Finite volume method; Total variation diminishing scheme; Improveddeferred correction scheme; Electro-convection; Electro-thermo-convection; Unipolar injection; 620.106; 532

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

APA (6^th Edition):

Wu, J. (2012). Contribution to numerical simulation of electrohydrodynamics flows : application to electro-convection and electro-thermo-convection between two parallel plates : Contribution à la simulation numérique d'écoulements électrohydrodynamiques : application à l'électro-convection et l'électro-thermo-convection entre deux plans parallèles. (Doctoral Dissertation). Poitiers. Retrieved from http://www.theses.fr/2012POIT2263

Chicago Manual of Style (16^th Edition):

Wu, Jian. “Contribution to numerical simulation of electrohydrodynamics flows : application to electro-convection and electro-thermo-convection between two parallel plates : Contribution à la simulation numérique d'écoulements électrohydrodynamiques : application à l'électro-convection et l'électro-thermo-convection entre deux plans parallèles.” 2012. Doctoral Dissertation, Poitiers. Accessed March 04, 2021. http://www.theses.fr/2012POIT2263.

MLA Handbook (7^th Edition):

Wu, Jian. “Contribution to numerical simulation of electrohydrodynamics flows : application to electro-convection and electro-thermo-convection between two parallel plates : Contribution à la simulation numérique d'écoulements électrohydrodynamiques : application à l'électro-convection et l'électro-thermo-convection entre deux plans parallèles.” 2012. Web. 04 Mar 2021.

Vancouver:

Wu J. Contribution to numerical simulation of electrohydrodynamics flows : application to electro-convection and electro-thermo-convection between two parallel plates : Contribution à la simulation numérique d'écoulements électrohydrodynamiques : application à l'électro-convection et l'électro-thermo-convection entre deux plans parallèles. [Internet] [Doctoral dissertation]. Poitiers; 2012. [cited 2021 Mar 04]. Available from: http://www.theses.fr/2012POIT2263.

Council of Science Editors:

Wu J. Contribution to numerical simulation of electrohydrodynamics flows : application to electro-convection and electro-thermo-convection between two parallel plates : Contribution à la simulation numérique d'écoulements électrohydrodynamiques : application à l'électro-convection et l'électro-thermo-convection entre deux plans parallèles. [Doctoral Dissertation]. Poitiers; 2012. Available from: http://www.theses.fr/2012POIT2263

13. Payne, Stephanie. Phenotypic variation and thermoregulation of the human hand.

Degree: PhD, 2018, University of Cambridge

URL: https://doi.org/10.17863/CAM.32917 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.763716

► The hand has the highest surface area-to-volume ratio of any body part. This property offers the potential for the hand to serve an important function… (more)

▼ The hand has the highest surface area-to-volume ratio of any body part. This property offers the potential for the hand to serve an important function in thermoregulation through radiative heat loss. Theoretically, the capacity for heat loss may be influenced by hand and digit proportions, but the extent to which these proportions influence the hand's radiative properties remains under-investigated. Although hand morphology is highly constrained by both integration and functional dexterity, phenotypic variation in hand and digit proportions across human populations shows broad ecogeographic patterns. These patterns have been associated with climate adaptation. However, the theory linking climate adaptation to such ecogeographic patterns is based on underlying assumptions relating to thermodynamic principles, which have not been tested in vivo. This study sought to determine the influence of hand and digit proportions on heat loss from the hands directly, the additional anthropometric factors that may affect this relationship, and the impact of variation in hand proportions on dexterity in the cold. The relationship between hand proportions and thermoregulation was tested through both laboratory-based investigation and a field study. The laboratory investigation assessed the relationship between hand proportions and heat loss, the influence of body size and composition on this relationship, and the effect of morphological variation on manual dexterity. Participants (N=114; 18-50 years of age), underwent a 3-minute ice-water hand-immersion. Thermal imaging analysis was used to quantify heat loss. Hand and digit proportions were quantified using 2D and 3D scanning techniques; body size and composition were measured using established anthropometric methods and bio-impedance analysis. After accounting for body size, hand width, digit-to-palm length ratio, and skeletal muscle mass were significant predictors of heat loss from the hand, whilsthand length and fat mass were not. A separate set of participants (N=40) performed a Purdue pegboard dexterity test before and after the immersion test, which demonstrated that digit width alone negatively correlated with dexterity. The field study tested whether phenotypic variation in upper limb proportions could be attributed to cold adaptation or selection for dexterity in living populations exposed to significant energetic stress. Upper limb segment lengths were obtained from participants (N=254; 18-59 years of age), from highland and lowland regions of the Nepalese Himalayas using established anthropometric methods, and relative hand proportions were assessed in relation to severe energetic stress associated with life at high altitude. Relative to height, hand length and hand width were not reduced with altitude stress, whilst ulna length was. This indicates that cold adaptation is not shaping hand proportions in this case, although phenotypic variation in other limb segments may be attributed to cold adaptation or a thrifty phenotype mechanism. The current study provides…

Subjects/Keywords: 611; Hand; dexterity; thermal imaging; Himalayas; surface area-to-volume ratio; cold; ice-water immersion; temperature; radiation; heat loss; digits; proportions; ecogeographic patterns; phenotypic variation; climate adaptation; anthropometry; body size; muscle mass; energetic stress; thrifty phenotype

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APA (6^th Edition):

Payne, S. (2018). Phenotypic variation and thermoregulation of the human hand. (Doctoral Dissertation). University of Cambridge. Retrieved from https://doi.org/10.17863/CAM.32917 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.763716

Chicago Manual of Style (16^th Edition):

Payne, Stephanie. “Phenotypic variation and thermoregulation of the human hand.” 2018. Doctoral Dissertation, University of Cambridge. Accessed March 04, 2021. https://doi.org/10.17863/CAM.32917 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.763716.

MLA Handbook (7^th Edition):

Payne, Stephanie. “Phenotypic variation and thermoregulation of the human hand.” 2018. Web. 04 Mar 2021.

Vancouver:

Payne S. Phenotypic variation and thermoregulation of the human hand. [Internet] [Doctoral dissertation]. University of Cambridge; 2018. [cited 2021 Mar 04]. Available from: https://doi.org/10.17863/CAM.32917 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.763716.

Council of Science Editors:

Payne S. Phenotypic variation and thermoregulation of the human hand. [Doctoral Dissertation]. University of Cambridge; 2018. Available from: https://doi.org/10.17863/CAM.32917 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.763716

14. Abu Saleem, Rabie. Two-phase two-fluid model solver based on a high-resolution total variation diminishing scheme.

Degree: PhD, 5183, 2015, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/72749

► A new numerical method and a solver for the two-phase two-fluid model are developed using an innovative high-resolution, Total Variation Diminishing (TVD) scheme. The new… (more)

▼ A new numerical method and a solver for the two-phase two-fluid model are developed using an innovative high-resolution, Total Variation Diminishing (TVD) scheme. The new scheme is derived first for scalar hyperbolic problems using the method of flux limiters, then extended to the two-phase two-fluid model. A hybridization of the monotone 1st-order upwind scheme and the Quadratic Upstream Interpolation scheme (QUICK) is implemented using a new flux limiter function. The new function is derived in a systematic manner by imposing conditions necessary to ensure the TVD properties of the resulting scheme. For temporal discretization, the theta method is used, and values for the parameter theta are chosen such that the scheme is unconditionally stable (1/2≤theta≤1). Finite volume techniques with staggered mesh are then used to develop a solver for the one-dimensional two-phase two-fluid model based on different numerical schemes including the new scheme developed here. Linearized equations of state are used as closure relations for the model, with linearization derivatives calculated numerically using water properties based on the IAPWS IF-97 standard. Numerical convergence studies were conducted to verify, first, the new numerical scheme and then, the two-phase two-fluid solver. Numerical scheme results are presented for one-dimensional pure advection problem with smooth and discontinuous initial conditions and compared to those of other classical and high-resolution numerical schemes. Convergence rates for the new scheme are examined and shown to be higher compared to those of other schemes. For smooth solutions, the new scheme was found to exhibit a convergence rate of 1.3 and a convergence rate of 0.82 for discontinuous solutions. The two-phase two-fluid model solver is implemented to analyze numerical benchmark problems for verification and testing its abilities to handle discontinuities and fast transients with phase change. Convergence rates are investigated by comparing numerical results to analytical solutions available in literature for the case of the faucet flow problem. The new solver based on the new TVD scheme is shown to exhibit higher-order accuracy compared to other numerical schemes with convergence rate of 0.8. Mass errors are also examined when phase change occurs for the shock tube problem, and compared to those of the 1st-order upwind scheme implemented in common nuclear thermal-hydraulics codes like TRACE and RELAP5. The solver is shown to exhibit numerical stability when implemented to problems with discontinuous solutions and results of the new solver were free of spurious oscillations. Advisors/Committee Members: Kozlowski, Tomasz (advisor), Kozlowski, Tomasz (Committee Chair), Jewett, Brian F. (committee member), Uddin, Rizwan (committee member), Ragheb, Magdi (committee member).

Subjects/Keywords: Two-fluid model; Hyperbolic equations; Finite volume schemes; High resolution schemes; Total variation diminishing schemes; Flux limiters

…LS) method, the Front-Tracking (FT) method and the Volume-Of-Fluid (VOF… …conservation of volume equation: 𝛼𝑔 + 𝛼𝑙 = 1 (1.9) The 7 equations above, along with… …Engine (TRACE). Both codes employ the two-fluid model, and use finite volume… …x28;3.1). To explain this, we consider the control volume 𝐶𝑖 = [𝑥𝑖−1/2 , 𝑥𝑖+1/2…

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

APA (6^th Edition):

Abu Saleem, R. (2015). Two-phase two-fluid model solver based on a high-resolution total variation diminishing scheme. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/72749

Chicago Manual of Style (16^th Edition):

Abu Saleem, Rabie. “Two-phase two-fluid model solver based on a high-resolution total variation diminishing scheme.” 2015. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed March 04, 2021. http://hdl.handle.net/2142/72749.

MLA Handbook (7^th Edition):

Abu Saleem, Rabie. “Two-phase two-fluid model solver based on a high-resolution total variation diminishing scheme.” 2015. Web. 04 Mar 2021.

Vancouver:

Abu Saleem R. Two-phase two-fluid model solver based on a high-resolution total variation diminishing scheme. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2015. [cited 2021 Mar 04]. Available from: http://hdl.handle.net/2142/72749.

Council of Science Editors:

Abu Saleem R. Two-phase two-fluid model solver based on a high-resolution total variation diminishing scheme. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2015. Available from: http://hdl.handle.net/2142/72749

Virginia Commonwealth University

15. Lucas, D. Pulane. Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital.

Degree: PhD, Public Policy & Administration, 2013, Virginia Commonwealth University

URL: https://doi.org/10.25772/X2DF-RY91 ; https://scholarscompass.vcu.edu/etd/2996

► Advances in medical technology have altered the need for certain types of surgery to be performed in traditional inpatient hospital settings. Less invasive surgical procedures… (more)

▼ Advances in medical technology have altered the need for certain types of surgery to be performed in traditional inpatient hospital settings. Less invasive surgical procedures allow a growing number of medical treatments to take place on an outpatient basis. Hospitals face growing competition from ambulatory surgery centers (ASCs). The competitive threats posed by ASCs are important, given that inpatient surgery has been the cornerstone of hospital services for over a century. Additional research is needed to understand how surgical volume shifts between and within acute care general hospitals (ACGHs) and ASCs. This study investigates how medical technology within the hospital industry is changing medical services delivery. The main purposes of this study are to (1) test Clayton M. Christensen’s theory of disruptive innovation in health care, and (2) examine the effects of disruptive innovation on appendectomy, cholecystectomy, and bariatric surgery (ACBS) utilization. Disruptive innovation theory contends that advanced technology combined with innovative business models—located outside of traditional product markets or delivery systems—will produce simplified, quality products and services at lower costs with broader accessibility. Consequently, new markets will emerge, and conventional industry leaders will experience a loss of market share to “non-traditional” new entrants into the marketplace. The underlying assumption of this work is that ASCs (innovative business models) have adopted laparoscopy (innovative technology) and their unification has initiated disruptive innovation within the hospital industry. The disruptive effects have spawned shifts in surgical volumes from open to laparoscopic procedures, from inpatient to ambulatory settings, and from hospitals to ASCs. The research hypothesizes that: (1) there will be larger increases in the percentage of laparoscopic ACBS performed than open ACBS procedures; (2) ambulatory ACBS will experience larger percent increases than inpatient ACBS procedures; and (3) ASCs will experience larger percent increases than ACGHs. The study tracks the utilization of open, laparoscopic, inpatient and ambulatory ACBS. The research questions that guide the inquiry are: 1. How has ACBS utilization changed over this time? 2. Do ACGHs and ASCs differ in the utilization of ACBS? 3. How do states differ in the utilization of ACBS? 4. Do study findings support disruptive innovation theory in the hospital industry? The quantitative study employs a panel design using hospital discharge data from 2004 and 2009. The unit of analysis is the facility. The sampling frame is comprised of ACGHs and ASCs in Florida and Wisconsin. The study employs exploratory and confirmatory data analysis. This work finds that disruptive innovation theory is an effective model for assessing the hospital industry. The model provides a useful framework for analyzing the interplay between ACGHs and ASCs. While study findings did not support the stated hypotheses, the impact of government interventions into… Advisors/Committee Members: Carl F. Ameringer, Roice D. Luke, Wally R. Smith, I-Shian Suen.

Subjects/Keywords: Disruptive; Disruptive Innovation Theory; Disruptive Transformations; Disruptive Innovation; Innovation; Technology; Technological Innovation; Medical Innovation; Medical Technology; Medical Advancement; Laparoscopy; Laparoscopic Surgery; open surgery; appendectomy; cholecystectomy; bariatric surgery; weight loss surgery; appendectomies; cholecystectomies; inpatient; outpatient; ambulatory; ambulatory surgery; ambulatory surgery center; acute care general hospital; hospital; acute care hospital; general hospital; health care; healthcare; hospital industry; health care industry; Clayton Christensen; Clayton M Christensen; Michael Porter; Harvard Business School; Virginia Commonwealth University; Center for Medicare & Medicaid Services; CMS; Health policy; public policy; public administration; organizational theory; organization theory; Population Ecology Theory; Competitive Strategy; policy analysis; John Kimberly; Organization Size; Structural Inertia; liability of smallness; health spending; health care cost; specialty medical facility; open system; niche width dynamic; outpatient department; technology shift; surgical setting; surgical setting shift; medical facility shift; substitution threat; health system; system level analysis; Ecological Approach; hospital trends; ambulatory surgery trends; reimbursement rate; Medicare; CMS coverage decision; P J DiMaggio; DiMaggio and Powell; w w Powell; Hannan and Freeman; M T Hannan; Organizational change; minimally invasive surgery; less invasive surgery; Prospective Payment System; Outpatient Prospective Payment System; entreprenuerial physician; health care organization; health care management; Roice Luke; Carl Ameringer; new technology; surgical utilization; elective surgery; Medicare Payment Advisory Commission; MedPAC; coverage decision; trends in surgery; abdominal surgery; surgical variation; physician-owned; physician ownership; physician autonomy; outpatient clinic; utilization trends; unnecessary surgery; Pfeffer Salancik; technology diffusion; redefining health care; interdisciplinary research; health care delivery; panel design; diffusion of hospital technology; state variation; regional variation; local health care market; government intervention; medical facility; health care capacity; focused factory; advances in health care; physician organization relationship; hospital competition; medical specialization; hospital expansion; medical arms race; integrated care; integrated health system; J E Wennberg; health care transformation; reimbursement scheme; surgical volume; Florida; Wisconsin; policy making; health policy analysis; competitive dynamics; center of excellence; intervening factor; service line competition; service-line competition; surgical reimbursement; innovative business model; innovative technology; environmental influence; established firm; new market entrant; patient safety; sophisticated technology; Harvard Divinity School; Wilder School of Government and Public Affairs; Public Affairs, Public Policy and Public Administration; Social and Behavioral Sciences

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

APA (6^th Edition):

Lucas, D. P. (2013). Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital. (Doctoral Dissertation). Virginia Commonwealth University. Retrieved from https://doi.org/10.25772/X2DF-RY91 ; https://scholarscompass.vcu.edu/etd/2996

Chicago Manual of Style (16^th Edition):

Lucas, D Pulane. “Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital.” 2013. Doctoral Dissertation, Virginia Commonwealth University. Accessed March 04, 2021. https://doi.org/10.25772/X2DF-RY91 ; https://scholarscompass.vcu.edu/etd/2996.

MLA Handbook (7^th Edition):

Lucas, D Pulane. “Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital.” 2013. Web. 04 Mar 2021.

Vancouver:

Lucas DP. Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital. [Internet] [Doctoral dissertation]. Virginia Commonwealth University; 2013. [cited 2021 Mar 04]. Available from: https://doi.org/10.25772/X2DF-RY91 ; https://scholarscompass.vcu.edu/etd/2996.

Council of Science Editors:

Lucas DP. Disruptive Transformations in Health Care: Technological Innovation and the Acute Care General Hospital. [Doctoral Dissertation]. Virginia Commonwealth University; 2013. Available from: https://doi.org/10.25772/X2DF-RY91 ; https://scholarscompass.vcu.edu/etd/2996

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Open Access Theses and Dissertations