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Dissertations / Theses on the topic 'Thermofluid'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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1

Cawte, Howard. "Thermofluid effects of lubricating oil in heat pump systems." Thesis, Open University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329274.

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2

Jesuthasan, Nirmalakanth. "Modeling of thermofluid phenomena in segmented network simulations of loop heat pipes." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=106276.

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The overarching goal of the work presented in this thesis is to formulate, implement, test, and demonstrate cost-effective mathematical models and numerical solution methods for computer simulations of fluid flow and heat transfer in loop heat pipes (LHPs) operating under steady-state conditions.A segmented network thermofluid model for simulating steady-state operation of conventional LHPs with cylindrical and flat evaporators is proposed. In this model, the vapor-transport line, condenser pipe, and liquid-transport line are divided into longitudinal segments (or control volumes). Quasi-one-d

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3

Gwebu, Excellent Zibhekele. "A methodology for integrated thermofluid modelling of radiant superheaters in steady state and transient operations." Doctoral thesis, Faculty of Engineering and the Built Environment, 2019. http://hdl.handle.net/11427/30367.

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Critical components in coal-fired power plants such as final superheater heat exchangers experience severe conditions associated with high metal temperatures and high temperature gradients during base load and transient operations. Such adverse conditions could significantly reduce the life span of the components, especially due to the requirement of greater plant flexibility that is an essential part of the global power system transformation. Integrated thermofluid process models can be employed to obtain a better understanding of the relationship between the operational conditions and the me

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4

Wassermann, Florian [Verfasser], Cameron [Akademischer Betreuer] Tropea, Sven [Akademischer Betreuer] Grundmann, and Andreas [Akademischer Betreuer] Dreizler. "Magnetic Resonance Imaging Techniques for Thermofluid Applications / Florian Wassermann. Betreuer: Cameron Tropea ; Sven Grundmann ; Andreas Dreizler." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2015. http://d-nb.info/111204423X/34.

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5

Pottas, Roelof J. H. "A row-by-row axial turbine process model based on a one-dimensional thermofluid network approach." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/23770.

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A detailed turbine process model has been developed, based on a stage-by-stage discretisation using 1D flow elements. The complete turbine is represented by these flow elements in which the fundamental mass, energy and momentum conservation equations for compressible flow through 1D "stationary channels" and 1D "rotating channels" were solved. The required closure relations were obtained from the various loss coefficients for turbine stators, rotors and leakage flows which were characterised using correlations available in the literature. Several of the commonly applied loss calculation method

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6

Hultman, Björn, and Johannes Ingemanson. "Modellering och reglering av hyttgasnät." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2285.

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<p>Examensarbetet behandlar en modellering av hyttgasnätet vid SSAB Oxelösund AB. Det objektorienterade modelleringsspråket Modelica används. Modellen valideras statiskt och dynamiskt för olika driftsfall med gott resultat. </p><p>Hyttgasen används delvis för generering av elektricitet i kraftverket. Simuleringar av modellen visar att hyttgasnätets konstruktion begränsar inflödet av hyttgas till kraftverket. Modellen används för att studera förändringar av hyttgasnätet som kan öka inflödet till kraftverket. I examensarbetet föreslås byte av de befintliga brännarna i kraftverket, införande av t

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7

Tongne, Amèvi. "Étude expérimentale et numérique du procédé de soudage FSW (Friction Stir Welding). Analyse microstructurale et modélisation thermomécanique des conditions de contact outil/matière transitoires." Thesis, Saint-Etienne, EMSE, 2014. http://www.theses.fr/2014EMSE0768/document.

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Le soudage FSW (Friction Stir Welding) est un procédé de soudage en phase solide pressenti pour des applications de transport en générale aérospatial et naval. Malgré le nombre considérable d’études qui ont été réalisées depuis son avènement en 1991, le contrôle du procédé n’est pas encore effectif.Ce travail a consisté en une partie expérimentale visant à la génération, par un outil trigone, de joints soudés dont la microstructure a été corrélée à l’écoulement de matière pendant le procédé. La connaissance de cet écoulement de matière a permis dans la deuxième partie d’enrichir le modèle ther

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8

van, Der Meer Willem Arie. "A thermofluid network-based methodology for integrated simulation of heat transfer and combustion in a pulverized coal-fired furnace." Doctoral thesis, Faculty of Engineering and the Built Environment, 2021. http://hdl.handle.net/11427/33045.

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Coal-fired power plant boilers consist of several complex subsystems that all need to work together to ensure plant availability, efficiency and safety, while limiting emissions. Analysing this multi-objective problem requires a thermofluid process model that can simulate the water/steam cycle and the coal/air/flue gas cycle for steady-state and dynamic operational scenarios, in an integrated manner. The furnace flue gas side can be modelled using a suitable zero-dimensional model in a quasi-steady manner, but this will only provide an overall heat transfer rate and a single gas temperature. W

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9

Thiart, Anja. "A CFD study of fuel evaporation and related thermofluid dynamics in the inlet manifold, port and cylinder of the CFR octane engine." Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/11992.

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Includes abstract.<br>Includes bibliographical references.<br>Spark Ignition (SI) engine fuels' anti-knock properties are measured in the Co-operative Fuel Research (CFR) engine under two different test conditions as prescribed by the American Society for Testing and Materials (ASTM) for Research Octane Number (RON) and Motor Octane Number (MON) ratings. Recent research has been focused on determining whether the numerical difference between RON and MON, known as Octane Sensitivity (OS), is a result of the chemical or physical properties of the fuel. The present research examined the effect th

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10

Haffejee, Rashid Ahmed. "Development of a process modelling methodology and condition monitoring platform for air-cooled condensers." Master's thesis, Faculty of Engineering and the Built Environment, 2021. http://hdl.handle.net/11427/33706.

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Air-cooled condensers (ACCs) are a type of dry-cooling technology that has seen an increase in implementation globally, particularly in the power generation industry, due to its low water consumption. Unfortunately, ACC performance is susceptible to changing ambient conditions, such as dry bulb temperatures, wind direction, and wind speeds. This can result in performance reduction under adverse ambient conditions, which leads to increased turbine back pressures and in turn, a decrease in generated electricity. Therefore, this creates a demand to monitor and predict ACC performance under changi

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11

Gerace, Salvadore Anthony. "An Interactive Framework for Meshless Methods Analysis in Computational Mechanics and Thermofluids." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2532.

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In recent history, the area of physics-based engineering simulation has seen rapid increases in both computer workstation performance as well as common model complexity, both driven largely in part by advances in memory density and availability of clusters and multi-core processors. While the increase in computation time due to model complexity has been largely offset by the increased performance of modern workstations, the increase in model setup time due to model complexity has continued to rise. As such, the major time requirement for solving an engineering model has transitioned from compu

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12

Solanki, Roochi. "Modelling of a two-phase thermofluidic oscillator for low-grade heat utilisation." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/24563.

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The Non-Inertive-Feedback Thermofluidic Engine (NIFTE) is a two-phase thermofluidic oscillator which, by means of persistent periodic thermal-fluid oscillations when placed across a steady temperature difference, is capable of utilising low-grade (i.e., low temperature) heat to induce a fluid motion. Innovative devices which comprise no or few moving parts and that can operate utilising low-grade heat for fluid pumping and/or pressurisation are currently under development based on the NIFTE concept to: (i) understand the fundamental principle of operation of this novel technology; (ii) constru

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13

Cardoso, Ana Rita Castro Otrelo. "Caracterização estrutural de enzimas de molibdénio e suas chaperonas." Master's thesis, Faculdade de Ciências e Tecnologia, 2012. http://hdl.handle.net/10362/10031.

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Dissertação para obtenção do Grau de Mestre em Biotecnologia<br>O molibdénio encontra-se no centro activo de diversas enzimas, presentes em todas as formas de vida. O passo final da produção destas proteínas é a inserção do cofactor modificado (Moco) e requer a acção de proteínas específicas, identificadas como chaperonas. O objectivo deste trabalho é compreender o funcionamento das chaperonas na inserção do Moco nas apoenzimas, utilizando várias técnicas como a Cristalografia de raios X, Small-Angle X-ray Scattering (SAXS) e Ressonância Plasmónica de Superfície (SPR). Assim pretende-se estud

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14

Leite, Franco Henrique Andrade. "Planejamento e avalia??o de novos inibidores de Pteridina Redutase 1 (PTR1) de Leishmania major." Universidade Estadual de Feira de Santana, 2015. http://localhost:8080/tede/handle/tede/279.

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Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2016-01-13T23:50:52Z No. of bitstreams: 1 TESE-FINAL-FRANCO-HENRIQUE-CORRIGIDO-V4.pdf: 27152448 bytes, checksum: 7d448c937bb21040514eedeaa37f689f (MD5)<br>Made available in DSpace on 2016-01-13T23:50:52Z (GMT). No. of bitstreams: 1 TESE-FINAL-FRANCO-HENRIQUE-CORRIGIDO-V4.pdf: 27152448 bytes, checksum: 7d448c937bb21040514eedeaa37f689f (MD5) Previous issue date: 2015-11-06<br>Conselho Nacional de Pesquisa e Desenvolvimento Cient?fico e Tecnol?gico - CNPq<br>According to WHO, Leishmaniasis is the second most importa

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15

Djeziri, Mohand Arab. "Diagnostic des Systèmes Incertains par l'Approche Bond Graph." Phd thesis, Ecole Centrale de Lille, 2007. http://tel.archives-ouvertes.fr/tel-00200030.

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Le travail de thèse concerne la conception d'un système de surveillance robuste aux incertitudes paramétriques à base de modèles bond graphs sous forme LFT (Linear Fractional Transformations).<br />Une procédure de génération automatique de résidus robustes et de seuils adaptatifs de fonctionnement normal a été développée et implémentée à l'aide d'outils logiciels appropriés. Les performances du diagnostic sont contrôlées par une analyse de la sensibilité de ces résidus, permettant de définir des indices de sensibilité aux incertitudes paramétriques, et des indices de détectabilité des défauts

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16

Wei, Alexander C. "Thermofluid simulations for immersion lithography /." 2004. http://www.library.wisc.edu/databases/connect/dissertations.html.

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17

Hean, Charles Robert 1960. "Discrete Lagrange equations for reacting thermofluid systems." 2009. http://hdl.handle.net/2152/18414.

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The application of Lagrange's equations to non-equilibrium reacting compressible thermofluid systems yields a modeling methodology for thermofluid dynamics compatible with the discrete energy methods used extensively in other energy domains; examples include mechanical systems simulations and molecular dynamics modeling. The introduction of internal energies as generalized coordinates leads to a thermomechanical model with a simple but general form. A finite element interpolation is used to formulate the ODE model in an ALE reference frame, without reference to any partial differential equatio

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18

Wassermann, Florian. "Magnetic Resonance Imaging Techniques for Thermofluid Applications." Phd thesis, 2015. http://tuprints.ulb.tu-darmstadt.de/4989/1/Diss_Doc_Wassermann_14102015_PDFX3.pdf.

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In this PhD thesis, Magnetic Resonance Imaging (MRI) techniques were applied to thermofluid applications. Magnetic Resonance Velocimetry (MRV) was utilized to measure the three-dimensional, three-component mean velocity field in forced convection flows. Flow models were investigated that contain complex internal structures (e.g. compact heat exchangers) that would not be measureable with conventional optical velocity measurement techniques. The effects of the internal structures on the fluid flow were analyzed to understand the flow physics and to introduce further improvements in performance.

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19

Su, Chi-Hong, and 蘇志宏. "Thermofluid Analysis of Water-Assisted Laser Cutting." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/64217732645972145045.

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碩士<br>國立成功大學<br>機械工程學系碩博士班<br>94<br>Experimental results suggest that, compared with laser cutting exercised in the air, both the cutting quality and speed are significantly increased when the material is submerged in the water. Intuitively, underwater laser cutting induces stronger natural convection than that in the air. The resulting greater heat loss then reduces the temperature gradient and thermal stress in the material, and the possibility of crack formation. Meanwhile, it also helps to remove the ablated debris from the substrate surface, and hence increases both the cutting depth a

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20

Huang, Zhi-Xuan, and 黃治軒. "A Simulation Study on Thermofluid Modeling for Geothermal Drilling." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/w78qn3.

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碩士<br>國立臺灣海洋大學<br>機械與機電工程學系<br>106<br>The new challenges faced by geothermal drilling are the deeper drilling depth and the higher temperature gradient of formation. Therefore, the specific weight and the flow rate of drilling fluid become important operating parameters in geothermal drilling. Based on traditional flow friction model of drilling engineering, a new thermo-fluid model in Microsoft Excel is developed for geothermal drilling in this study, with the heat transfer submodel embodied to determine heat flux and temperature profile. Three types of drilling methods, including air and uns

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21

LIANG, SONG-JI, and 梁頌佶. "The application of orthogonal polynomials to 3-D thermofluid systems." Thesis, 1989. http://ndltd.ncl.edu.tw/handle/86787120600052272232.

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22

Wang, Fang Ping, and 王芳萍. "An Evaluation on the Thermofluid Phenomena Under Fire Accident Conditions." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/77481845814244897363.

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碩士<br>中原大學<br>機械工程研究所<br>82<br>The thermofluid phenomena of fire accidents are quite complex. Development of evaluation methodology to assess these phenomena is still in its rudimental stage domestically. In the meantime, the evaluation methodologies imported from foreign countries are difficult to obtain and inflexible to fit in with the domestic situations. This study was based on the first- principle approach using the fundamental heat and mass transfer and combustion theroies to derive

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23

Lo, Kuo-Shao, and 羅國少. "A Study of the Thermofluid Phenomena for Fire in an Enclosure." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/18840775942144517531.

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碩士<br>中原大學<br>機械工程學系<br>88<br>The purpose of this research is to study the phenomena related to fire, heat, and smoke during a postulated fire scenario occurred in a compartment enclosure, and the distribution of the resulting fluid flow field. By carrying out this study, it is expected that, a more detailed knowledge can be achieved for the understanding of the factors such as the hazard of fire, the distribution of the fluid flow, and the allowable time for personnel egress. The finite-volume formulation associated with the PHOENICS computational methodology was used in the enclo

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Sookdeo, Steven. "Experimental investigation of the thermofluid behaviour within a flat-plate solar collector." Thesis, 2008. http://spectrum.library.concordia.ca/976248/1/MR45476.pdf.

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Flat-plate solar collectors are used in solar water heating systems to transfer solar energy to water in the form of heat. The research on solar water heating systems is mainly focused on the design and optimization of the overall system with little attention given to study the thermofluid behaviour inside the collector. The collector is a very crucial part of the system as it is where the actual energy conversion talks place. In the present research, the thermofluid behaviour within the tube of a flat-plate solar collector for a forced circulation solar water heating system is experimentally

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Shih, Shun-Jung, and 施順榮. "Integrating Genetic Algorithms with Thermofluid Package for Optimization of Heat Sink Modules." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/94625991293831961296.

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碩士<br>國立成功大學<br>航空太空工程學系碩博士班<br>96<br>The study is concerned with optimization of the geometrical parameters with a parallel plate fin heat sink module by integrating the real-coded genetic algorithm（RCGA）with a commercial code, CFD-ACE+, which is regarded as the direct problem solver. Two simulation modules, namely the full module and the single-channel module, are built based on the framework of the commercial code. Firstly, numerical study of the performance of the heat sink has been performed to determine the thermal resistance of the heat sink at various physical and geometrical condition

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26

Lee, Ming-tsang, and 李明蒼. "A Numerical Study of The Thermofluid Phenomena in An Internal Combustion Engine." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/31540391970298494718.

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碩士<br>中原大學<br>機械工程學系<br>87<br>With the recent progress of computer technology, numerical analysis method and software have been wildly used in most engineering problems. For predicting and analysis the thermofluid phenomena inside the cylinder of internal combustion (IC) engine, computational fluid dynamic (CFD) models are becoming powerful tools. The KIVA code, originally developed at the US Los Alamos National Laboratory, is one of the advanced computer programs for optimizing IC engine research. It can calculate the transient, two- and three-dimensional, chemically reactive fluid flows with

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27

CHEN, JHIH-WEI, and 陳志瑋. "Study on Thermofluid Analysis and Air Conditioning Comfort in Airport Waiting Room." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/96cs7j.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系<br>107<br>In this thesis, the commercial software ANSYS Fluent was employed to study the air conditioning problem of airport waiting room. The purpose of the present study is to provide some basic guides for the environmental improvement of the waiting room in order to improve the comfortability for passengers by an economic and efficient way. We first introduce the factors that cause the hot atmosphere, including the leakage of outdoor air, the thermal radiation from the sun through glass windows, and the limits of air conditioning capacity. The simulation is impl

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28

JIAN, HENG-JIE, and 簡恆傑. "A study on the thermofluid phenomena of molten corium in a containment." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/70187956540397792992.

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29

Wu, Yeun-Jong, and 吳允中. "Study of Thermofluid Characteristics of Finned-and-Tube Heat Exchangers Under Frosting Conditions." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/92406660919069865417.

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碩士<br>華梵大學<br>機電工程研究所<br>88<br>In this study, the heat transfer and pressure drop performance of flat plate finned tube heat exchangers operating under frosting conditions was investigated by experiments. The experiment was conducted to show the effects of various geometric and environmental parameters on the thermofluid performance of the heat exchangers. The geometric parameters include the fin pitch and the row number. Environmental parameters include inlet air temperature, relative humidity of inlet air, air flow rate and inlet refrigerant temperature. The experimental results

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30

Su, Yang-Bo, and 蘇原保. "Study of Thermofluid Characteristics of Plate and Louvered Finned-and-Tube Heat Exchangers." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/77721033614369537226.

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碩士<br>華梵大學<br>機電工程研究所<br>89<br>This thesis employs the experimental method to investigate the thermofluid performance of plate and louvered finned-and-tube heat exchangers under frosting conditions. The effects of various geometric and environment parameters on performance of heat exchangers have been examined in detail. The parameters include the number of rows, the temperature of inlet refrigerant, the air flow rate, the relative humidity and the temperature of inlet air. The experimental results show that, under a fixed number of rows, in the beginning of frost deposition, the h

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31

Cheng, Meng-Fu, and 陳孟甫. "Thermofluid Simulation and Analysis of Regional Air-conditioning System inside a Mobile Office." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/fw38w7.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>97<br>Vehicle is essential to the daily life of the people. How to make vehicle more comfortable, humanization, and energy efficient is always the dream of the vehicle engineers. This study utilized the technique of air flow management to control the air flow structures so that the inside of the cabin would form regional air-conditioning. The purpose of this study was to discuss the each passenger could control the temperature according to their individual needs, thus the air conditioning system could reducing unnecessary energy consumption. Through the numerical an

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Huang, Sheng Liang, and 黃勝梁. "The Study on the Improvement of Thermofluid Field of the Engine Compartment of a Light Aircraft." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/72132547984605359714.

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碩士<br>國立屏東科技大學<br>機械工程系所<br>97<br>The distribution of thermolfluid fluid of the engine compartment of a light aircraft will directly affect the thermal discharge of an engine. Therefore, this study uses the software of Computational Fluid Dynamics-Fluent to simulate and analyze the thermofluid field of the engine compartment of a light aircraft.The results from the prototype indicate that the airflow dose not flow to the engine cylinder easily, and this causes the surface temperature of engine cylinder too high. Hence this study is based on the defects of the prototype to design the guide pipe

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Song, Bing-Zu, and 宋秉儒. "The Simulation of Thermofluid Characteristics in the Layout of Li-ion Battery Module for Electric Vehicle." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86305334431061900087.

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碩士<br>國立中央大學<br>機械工程研究所<br>99<br>This paper presents the 3-D numerical simulation of electric vehicle lithium-ion battery module by using computational software FLUENT. The purpose is to develop a reasonable thermal management model for prediction of thermal flow performance of battery module. Three simulation cases are conducted (simplified type, cylindrical and strip cell layout of a complete battery module), and the simplified battery module is designed for validating turbulence model and electrochemical model. In additional, the complete battery module consists of either cylindrical and st

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Li, Kuan-zu, and 李冠儒. "Numerical study of the thermofluid field induced by pen-like atmospheric torch impinging on a solid wall." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/01511610479123321115.

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碩士<br>龍華科技大學<br>工程技術研究所<br>97<br>The present paper carried out the numerical simulations of the thermofluid field induced by a pen-like atmospheric torch impinging on the solid wall. The pen-like atmospheric plasma torch device consists of a hollow cylinder stainless steel tube as the inner electrode, a ring-like stainless steel cylinder holder as the outer electrode, and a ceramic tube which is between the inner and outer electrode as an insulator between the inner electrode and the outer electrode. A RF power supplier with 13.56 MHz RF high frequency is applied between the inner and outside

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Meng-LungTsai and 蔡孟龍. "Thermofluid analysis of metal-hydride hydrogen storage systems: Effects of exit pressure control and metal-foam volume fraction on system performance." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/41455465367390536148.

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博士<br>國立成功大學<br>機械工程學系碩博士班<br>99<br>Among all current options, hydrogen appears to be the most promising alternative to fossil fuels, because it has a high calorific value and is environmentally friendly. For safety and operability concerns, hydrogen storage in metal hydrides appears to be a more promising option at present. However, the hydriding and dehydriding processes of metal hydrides are rather complex since simultaneous heat and mass transfers take place with chemical reaction. Therefore, operating conditions and system design would affect the hydrogen supply characteristics directly.

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Pope, Kevin. "Multiphase flow and chemical reactor thermodynamics for hydrolysis and thermochemical production." Thesis, 2012. http://hdl.handle.net/10155/245.

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Current techniques of hydrogen production (primarily reformation of fossil fuels) are unsustainable, releasing CO2 into the atmosphere, as well as consuming limited reserves of fossil fuels. The copper-chlorine cycle is a promising thermochemical process which can cost-effectively produce hydrogen with less environmental impact. In this thesis, new predictive formulations and experimental data are presented to improve the conversion extent and reaction rates of the hydrolysis reactor in the Cu-Cl cycle. This reactor has critical implications for the design, operation, and efficiency of the Cu-

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(6635972), Aditya Chandramohan. "Thermofluidic Transport in Evaporating Droplets: Measurement and Application." Thesis, 2019.

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<p>Microscale environments provide significant resolution and distortion challenges with respect to measurement techniques; however, with improvements to existing techniques, it is possible to gather relevant data to better understand the thermal and fluidic mechanisms at such small scales in evaporating droplets.</p> <p> </p> <p>Infrared thermography provides several unique challenges at small scales. A primary issue is that the low native resolution of traditional infrared cameras significantly hamper the collection of details of microscale features. Furthermore, surfaces exhibiting vast

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Adeyinka, Olusola Babatunde. "Entropy and Second Law optimization in computational thermofluids with laser based measurements." 2002. http://hdl.handle.net/1993/19617.

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Li, Guo-jen, and 李國楨. "The numerical simulation of thermofluids and entropy generation in plate heat exchangers." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/54426938301597817615.

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碩士<br>國立中央大學<br>機械工程研究所<br>98<br>In this study, a three dimensional calculation with real-size geometry of K070 chevron plate heat exchanger which consisted of thee flow channels have been conducted. The characteristics of flow, pressure drop and heat transfer in plate heat exchangers are investigated numerically. Also, the analyses of second law of thermodynamics (i.e. entropy generation) are presented. The numerical simulations are carried out using ANSYS FLUENT with water as working fluid in the Reynolds number (Re) range from 300-12000, which cover laminar and turbulent regime, and numeric

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Kim, Seonghwan. "Characterization of Dynamic Response of AFM Cantilevers for Microscale Thermofluidic and Biophysical Sensors." 2008. http://trace.tennessee.edu/utk_graddiss/458.

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My doctoral research has focused on the characterization of dynamic response of atomic force microscope (AFM) cantilevers for thermofluidic and biophysical sensors, a novel scanning thermal microscopy technique development using a tipless microcantilever to investigate micro/nanoscale transport properties in liquid, and the characterization of the surface nanomechanical properties of biocompatible polyelectrolyte hydrogels with AFM for biomedical applications. The temperature effects on Sader‟s viscous model for multilayered microcantilevers immersed in an aqueous medium were experimentally ve

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Layton, Curtis James. "Analysis and Redesign of Protein-Protein Interactions: A Hotspot-Centric View." Diss., 2010. http://hdl.handle.net/10161/3113.

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<p><p>One of the most significant discoveries from mutational analysis of protein interfaces is that often a large percentage of interface residues negligibly perturb the binding energy upon mutation, while residues in a few critical "hotspots" drastically reduce affinity when mutated. The organization of protein interfaces into hotspots has a number of important implications. For example, small interfaces can have high affinity, and when multiple binding partners are generated to the same protein, they are predisposed to binding the same regions and often have the same hotspots. Even small

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Sarkar, Sandip. "Studies on Multiphase, Multi-scale Transport Phenomena in the Presence of Superimposed Magnetic Field." Thesis, 2016. http://hdl.handle.net/2005/3201.

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Multiphase transport phenomena primarily encompass the fundamental principles and applications concerning the systems where overall dynamics are precept by phase change evolution. On the other hand, multiscale transport phenomena essentially corroborate to a domain where the transport characteristics often contain components at disparate scales. Relevant examples as appropriate to multiphase and multiscale thermofluidic transport phenomena comprise solid-liquid phase change during conventional solidification process and hydrodynamics through narrow confinements. The additional effect of superi

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Chen, Yi-Hsiung, and 陳義雄. "A Study on the Thermofluidic Phenomena for an Advanced Boiling Water Reactor under the Loss-of-Coolant Accident Conditions." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/10875783079268369363.

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碩士<br>中原大學<br>機械工程研究所<br>89<br>The purposes of this research are directed at Advanced Boiling Water Reactor (ABWR) adopted by the Lung-Men Nuclear Power Station (LMNPS) using the RELAP5-YA methodology to establish an evaluative mode and to analyze the safety of the behavior of the reactor core under the postulated LOCA conditions. The main point of this research is to simulate loss-of-coolant accidents (LOCAs) which are caused by different broken lines positions and areas and also to evaluate how limiting the accident is if the core reaches its peak cladding temperature (PCT) and the minimum w

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