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Dissertations / Theses on the topic 'Heat Fluid'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Illingworth, Justin Barrett. "Fluid-solid heat transfer coupling." Thesis, University of Sussex, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.430954.

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This thesis documents the application of a computer code developed by the author which makes possible the coupling of heat transfer between fluid and solid thermal models. The code was written using FORTRAN and couples the commercial computational fluid dynamics (CFD) software FLUENT with the Rolls-Royce finite element analysis program, SC03. The thermal modelling of a solid domain bounded by a fluid typically uses heat transfer correlations to define the heat flux at those boundaries. Considerable engineering judgement is required to appropriately select and apply these correlations, so that

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2

Mouslim, Abderrazzak. "Tests of Fluid-to-Fluid Scaling Laws for Supercritical Heat Transfer." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38912.

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A comparison of available fluid-to-fluid scaling laws for scaling convective heat transfer at supercritical pressures showed that the ones suggested by Zahlan, Groeneveld and Tavoularis (ZGT) have some advantages. The applicability of the ZGT laws was tested for pairs of fluids including carbon dioxide, water or Refrigerant R134a. The conditions of previous measurements taken in the Supercritical University of Ottawa Loop with CO2 flowing vertically upwards in an electrically heated tube with 8 mm ID were scaled to equivalent conditions in R134a and new measurements of the heat transfer coeffi

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3

Giwa, Giwa Solomon Olanrewaju. "Investigation into thermal-fluid properties of hybrid ferrofluids as heat transfer fluids." Thesis, University of Pretoria, 2019. http://hdl.handle.net/2263/77818.

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Over two decades of extensive research on nanofluids have established them as a better cooling media than traditional fluids such as ethylene glycol (EG) and water. Recently, hybrid nanofluids have emerged as advanced thermal transport media with improved thermal and fluid properties relative to nanofluids. Experimentally, limited studies have been carried out on the thermo- and thermomagnetic convection heat transfer of nanofluids in cavities. However, there is a dearth of documentation on the thermo- and thermomagnetic convection of hybrid nanofluids in cavities in the public domain. In this

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4

Mala, Gh Mohiuddin. "Heat transfer and fluid flow in microchannels." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0005/NQ39562.pdf.

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5

Engström, Olle. "Optimization of fluid-based heat-recovery systems." Thesis, KTH, Hållbara byggnader, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-257876.

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This report aims to investigate how fluid-based heat-recovery systems for ventilation can be optimized. A high proportion of existing systems operate at lower efficiency than possible, and thus do not reach their full potential in terms of energy savings. The aim of this report has been to find out why, to identify which parameters affect the efficiency of such systems, and to develop a general methodology for optimization. As a method for execution, a literature study and field experiments were chosen. The results from the literature study showed that dimensioned efficiency, fluid flow in the

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6

Fryer, P. J. "Modelling heat exchanger fouling." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377221.

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7

Prabhanjan, Devanahalli G. "Influence of coil characteristics on heat transfer to Newtonian fluids." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36910.

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A water bath thermal Processor was designed and built to study the influence of helical coil characteristics on heat transfer to Newtonian fluids like water and base oil with three different viscosities. The system consisted of a thermally insulated water bath, an electric heater, pump to re-circulate water in the bath and for pumping the processing fluid through the coil, copper helical coils and a storage tank for the processing fluid.<br>Comparative study has shown that the outer and total heat transfer coefficients were significantly lower in natural than in forced convection water bath. H

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8

Beale, Steven Brydon. "Fluid flow and heat transfer in tube banks." Thesis, Imperial College London, 1992. http://hdl.handle.net/10044/1/8103.

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9

Tian, Jing. "Fluid flow and heat transfer in woven textiles." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615243.

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10

Kuan, Wai Keat. "Experimental study of flow boiling heat transfer and critical heat flux in microchannels /." Link to online version, 2006. https://ritdml.rit.edu/dspace/handle/1850/1887.

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11

Gubaidullin, Askar. "Natural Convection Heat Transfer in Two-Fluid Stratified Pools with Internal Heat Sources." Doctoral thesis, KTH, Energy Technology, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3285.

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12

Mihic, Stefan Dragoljub. "CFD Investigation of Metalworking Fluid Flow and Heat Transfer in Grinding." University of Toledo / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1302189719.

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13

Khan, Waqar. "Modeling of Fluid Flow and Heat Transfer for Optimization of Pin-Fin Heat Sinks." Thesis, University of Waterloo, 2004. http://hdl.handle.net/10012/947.

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In this study, an entropy generation minimization procedure is employed to optimize the overall performance (thermal and hydrodynamic) of isolated fin geometries and pin-fin heat sinks. This allows the combined effects of thermal resistance and pressure drop to be assessed simultaneously as the heat sink interacts with the surrounding flow field. New general expressions for the entropy generation rate are developed using mass, energy, and entropy balances over an appropriate control volume. The formulation for the dimensionless entropy generation rate is obtained in terms of fin geo

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14

Piper, Mark [Verfasser]. "Analysis of fluid dynamics and heat transfer in pillow-plate heat exchangers / Mark Piper." Paderborn : Universitätsbibliothek, 2018. http://d-nb.info/1168721474/34.

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15

Horton, F. G. "Aerodynamics and heat transfer of turbine blading." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375214.

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16

Amin, Norsarahaida. "Oscillation-induced mean flows and heat transfer." Thesis, University of East Anglia, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329339.

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17

Matys, Paul. "Fluid flow and heat transfer in continuous casting processes." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28504.

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A three-dimensional finite difference code was developed to simulate fluid flow and heat transfer phenomena in continuous casting processes. The mathematical model describes steady state transport phenomena in a three dimensional solution domain that involves: turbulent fluid flow, natural and forced convection, conduction, release of latent heat at the solidus surface, and tracing of unknown location of liquid/solid interface. The governing differential equations are discretized using a finite volume method and a hybrid central, upwind differencing scheme. A fully three-dimensional ADI-like

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18

Supranto, S. "Heat pump assisted distillation with an external working fluid." Thesis, University of Salford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.483170.

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19

Molyneaux, Glenn Arthur. "Resorption cycle heat pump with ammonia-water working fluid." Thesis, University of Ulster, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326335.

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20

Janakiraman, S. V. "Fluid flow and heat transfer in transonic turbine cascades." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06112009-063614/.

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21

McPhail, Stephen John. "Single-phase fluid flow and heat transfer in microtubes." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-36182.

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22

Jagannatha, Deepak. "Heat transfer and fluid flow characteristics of synthetic jets." Thesis, Curtin University, 2009. http://hdl.handle.net/20.500.11937/2437.

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This thesis presents a fundamental research investigation that examines the thermal and fluid flow behaviour of a special pulsating fluid jet mechanism called synthetic jet. It is envisaged that this novel heat transfer enhancement strategy can be developed for high-performance heat sinks in electronic cooling applications.The study considers a unique arrangement of a periodic jet induced by diaphragm motion within a cavity and mounted on a confined flow channel with a heated wall upon which the jet impingement occurs. The operation of this jet mechanism is examined as two special cases for un

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23

Mbogoma, John Masalu Phillip. "Convective heat transfer in gas sparged vessels." Thesis, University of Strathclyde, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278658.

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24

El-Sherif, K. M. "Axial heat transfer in a packed bed heat exchangers using fluid near its critical point." Thesis, University of Sussex, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374464.

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25

Sarde, Deepti R. "Thermal/fluid characteristics of elliptic cross-section filament box-lattices as heat exchanger surfaces." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1436470.

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26

Cole, Brian D. "Transient performance of parallel-flow and cross-flow direct transfer type heat exchangers with a step temperature change on the minimum capacity rate fluid stream. /." Online version of thesis, 1995. http://hdl.handle.net/1850/11924.

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27

Lowdon, A. "Flow induced vibrations of tube arrays in heat exchangers." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234773.

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28

Soria, Guerrero Manel. "Parallel multigrid algorithms for computational fluid dynamics and heat transfer." Doctoral thesis, Universitat Politècnica de Catalunya, 2000. http://hdl.handle.net/10803/6678.

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The main purpose of the dissertation is to contribute to the development of numerical techniques for computational heat transfer and fluid flow, suitable for low cost (loosely coupled) parallel computers. It is focused on implicit integration schemes, using finite control volumes with multigrid (MG) algorithms.<br/><br/>Natural convection in closed cavities is used as a problem model to introduce different aspects related with the integration of the incompressible Navier-Stokes equations, such as the solution of the pressure correction (or similar) equations that is the bottleneck of the algor

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29

Golter, Paul B. "Combining modern learning pedagogies in fluid mechanics and heat transfer." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Thesis/Summer2006/p%5Fgolter%5F063006.pdf.

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30

Shi, Yong. "Lattice Boltzmann models for microscale fluid flows and heat transfer /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?MECH%202006%20SHI.

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31

Ettrich, Jörg [Verfasser]. "Fluid Flow and Heat Transfer in Cellular Solids / Jörg Ettrich." Karlsruhe : KIT Scientific Publishing, 2014. http://www.ksp.kit.edu.

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32

Kent, Russell Malcolm. "Modelling fluid flow and heat transfer in some volcanic systems." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306912.

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33

Lyra, P. R. M. "Unstructured grid adaptive algorithms for fluid dynamics and heat conduction." Thesis, Swansea University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637967.

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This work is concerned with the development of reliable and versatile computational tools for the numerical simulation of two-dimensional heat conduction and incompressible and compressible laminar fluid flow problems. Issues related to adaptive techniques, discretisation methodologies (upwind or centred type) and the design of high-resolution shock-capturing schemes are investigated in this thesis. Three distinct research works have been pursued here. In the first work, attention is focused on the construction of an adaptive finite element procedure with mesh refinement, by mesh enrichment, i

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34

Kim, Tongbeum. "Fluid-flow and heat-transfer in a lattice-frame material." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616470.

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35

Byström-Troyan, Filipp. "Heat and fluid control solutions for deep space CubeSat CGPS." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-303116.

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This thesis is on the subject of how propellant heating considerations affect the design of a CubeSat cold gas propulsion system. Computer simulation tools are used to analyse heat flow through the system, as well as the fluid flow and phase change of butane. The heating performance is presented for different operational states and different designs. Finally, an optimal system design is suggested. The propulsion system in question is the deep space heading Hera Juventas 6DOF CGPS. The Juventas spacecraft will as part of ESA’s Hera mission be the first to perform radar measurements of an astero

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36

Gerova, Klementina. "Thermo-fluid effects associated with modelling subscale automotive heat exchangers." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/9875.

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Automotive components are tested extensively in wind tunnels by automotive manufacturers and race teams. This is usually achieved using an accurate scale model representation of the component within the wind tunnel. Automotive heat exchangers, however, are comprised of numerous intricate geometries and are therefore impractical to produce at model scale. Instead they are simply modelled as pressure drops, achieved using a thin mesh or honeycomb of known porosity. Most commercial computational fluid dynamics solvers ignore the geometry of the heat exchanger and instead model it as a discontinui

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37

Iverson, Jared M. "Computational fluid dynamics validation of buoyant turbulent flow heat transfer." Thesis, Utah State University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1550153.

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<p> Computational fluid dynamics (CFD) is commonly implemented in industry to perform fluid-flow and heat-transfer analysis and design. Turbulence model studies in literature show that fluid flows influenced by buoyancy still pose a significant challenge to modeling. The Experimental Fluid Dynamics Laboratory at Utah State University constructed a rotatable buoyancy wind tunnel to perform particle image velocimetry experiments for the validation of CFD turbulence models pertaining to buoyant heat-transfer flows. This study validated RANS turbulence models implemented within the general purp

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38

Iverson, Jared M. "Computational Fluid Dynamics Validation of Buoyant Turbulent Flow Heat Transfer." DigitalCommons@USU, 2013. https://digitalcommons.usu.edu/etd/2025.

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Computational fluid dynamics (CFD) is commonly used to visualize and understand complicated fluid flow and heat transfer in many industries. It is imperative to validate the CFD computer models in order to avoid costly design choices where experimentation cannot be used to ratify the predictions of computer models. Assessments of CFD computer models in the literature conclude that significant errors occur in computer model predictions of fluid flow influenced by buoyancy forces. The Experimental Fluid Dynamics Laboratory at Utah State University constructed a wind tunnel with which to perform

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39

CANTIANI, ANTONIO. "Improving the efficiency of fluid machinery through waste-heat recovery." Doctoral thesis, Università degli studi della Basilicata, 2022. http://hdl.handle.net/11563/154805.

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40

SHENG-TZUNG, KUO, and 郭昇宗. "FLUID FLOW AND HEAT TRANSFER FOR CONFINED HEAT SINKS." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/47150206309388311404.

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碩士<br>國立清華大學<br>動力機械工程學系<br>90<br>A series of experimental investigations with a new modified transient liquid crystal method on the studies related to the fluid flow and heat transfer characteristics in a channel installed without and with a heat sink have been successfully performed. The parametric studies on the local and average effective heat transfer characteristics for confined heat sinks have been explored. The influencing parameters and conditions include air preheating temperature at channel inlet(ΔT), flow velocity (V) and heat sink types. From the thermal aspect, the e

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41

Naik, Lalit Ranjan. "CFD analysis of heat transfer in a helical coil heat exchanger with constant heat flux boundary condition." Thesis, 2014. http://ethesis.nitrkl.ac.in/5701/1/110ME0315-1.pdf.

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A helical coil heat exchanger has a wide range of application in industries over the straight and shell type heat exchangers because of its greater heat transfer area, mass transfer coefficient and higher heat transfer capability, etc. The relevance of helical coil heat exchanger has been identified in industrial application like turbine power plants, automobile, aerospace, etc. because of above mentioned factors. The thesis shows the deviation of Nusselt Number and friction factor for different Dean Number (D/d ratio) and Reynolds Number. CFD analysis has been done for varying inlet condition

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42

Sahoo, L. "CFD analysis of heat transfer in a helical coil heat exchanger with constant wall heat transfer coefficient." Thesis, 2014. http://ethesis.nitrkl.ac.in/5702/1/110ME0323-2.pdf.

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There is a wide application of coiled heat exchanger in the field of cryogenics and other industrial applications for its enhanced heat transfer characteristics and compact structure. Lots of researches are going on to improve the heat transfer rate of the helical coil heat exchanger. Here, in this work, an analysis has been done for a tube-in-tube helical heat exchanger with constant heat transfer coefficient with turbulent flow. There are various factors present that may affect the heat transfer characteristics of the heat exchanger. Here, the experiment has been done by varying the curvatur

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43

Jaber, Othman. "Heat and fluid flow analysis in a molten CuCl heat exchanger." Thesis, 2009. http://hdl.handle.net/10155/65.

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The Cu-Cl thermochemical cycle is a promising method to generate hydrogen as a clean fuel for human use in the future. The cycle can be coupled to nuclear reactors to supply its heat requirements. The cycle generates hydrogen by splitting water molecules through a series of chemical reactions. Thermal management within the cycle is crucial for improving its thermal efficiency. The cycle has an average theoretical efficiency of around 46% without any heat recovery. The efficiency may increase up to 74%, if all heat associated with the products of the cycle’s steps is recycled internally. The pr

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44

Meng-Ping, Wang, and 王孟平. "Heat Transfer and Fluid Flow Characteristics For Confined Compact Heat Sinks." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/5b96t9.

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博士<br>國立清華大學<br>動力機械工程學系<br>93<br>ABSTRACT A series of experimental studies on the fluid flow and heat transfer characteristics from non-compact/compact PPF heat sinks at unconfined and confined condition by using different cooling methods have been performed. Two types of cooling methods such as natural convection and forced convection due to channel flow are employed in the present study. The relevant parameters influencing fluid flow and heat transfer performance in natural convection and forced convection studies are listed, respectively. They are: (1) natural convection－the steady-sta

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45

Chu, Mao-Long, and 朱茂榕. "Heat Transfer Enhancement of Loop Heat Pipe with Self-Rewetting fluid." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/62422980327924299494.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>102<br>The objective of this study is the application of self-rewetting fluid as the working fluid on loop heat pipe (LHP), with sintered copper as the chosen capillary structure material; this study also investigates the effect of using different contents and concentrations of self-rewetting fluid on heat transfer performances of LHP as well as compares the results with those from using water as working fluid. Previous studies have shown that using self-rewetting fluid as working fluid can enhance the heat transfer mechanisms of pool boiling, traditional heat pipes

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46

楊琇妃. "Development of TF2 Fluid for Heat Transmitter." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/95765858335037059721.

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47

Parida, Gati Ranjan. "Heat Transfer and Flow Friction Characteristics of Rectangular Plain Fin Heat Exchanger." Thesis, 2018. http://ethesis.nitrkl.ac.in/9968/1/2018_MT_216ME3389_GRParida_Heat.pdf.

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Fin is an external surface attached to a large structure. A plate-fin heat exchanger is a type of heat exchanger design that uses plates and finned chambers to transfer heat between fluids. It is often categorized as a compact heat exchanger to emphasize its relatively high heat transfer surface area to volume ratio. The main objective of the fin is to increase the heat transfer by increasing surface area and fin thickness. In case of forced convection also heat transfer increases in a higher rate due to the influence of external agent (A ceiling fan, a pump, suction device etc.), but fin is e

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48

Mohanty, Soumya Ranjan. "CFD analysis of heat transfer in a helical coil heat exchanger using fluent." Thesis, 2013. http://ethesis.nitrkl.ac.in/4736/1/109ME0388.pdf.

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Enhancing the heat transfer by the use of helical coils has been studied and researched by many researchers, because the fluid dynamics inside the pipes of a helical coil heat exchanger offer certain advantages over the straight tubes, shell and tube type heat exchanger, in terms of better heat transfer and mass transfer coefficients. Various configurations of coil structure are possible, and the configuration in which there is a series of vertically stacked helically coiled tubes is the most common type. The end of the tubes act as the inlet and outlet manifolds, which serve the purpose for t

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49

Behera, Siddhartha Shankar. "CFD analysis of heat transfer in a helical coil heat exchanger using fluent." Thesis, 2013. http://ethesis.nitrkl.ac.in/4737/1/109ME0258.pdf.

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Heat exchangers are the important engineering systems with wide variety of applications including powerplants, nuclear reactors, refrigeration and air-conditioning systems, heat recovery systems, chemical processing and food industries. Helical coil configuration is very effective for heat exchangers and chemical reactors as they can accommodate a large heat transfer area in a small space, with high heat transfer coefficients. This project deals with the analysis of the helical coiled heat exchanger with various correlations given by different papers for specific conditions. Although various c

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50

Wei, Lu Yao, and 劉曜瑋. "The Heat and Fluid Flow Analysis of Plate-Elliptic Tube Heat Exchanger." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/84837368724061159861.

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碩士<br>遠東技術學院<br>機械研究所<br>93<br>The numerical simulation is used to analyze the heat transfer and fluid flow characteristic of staggered fin-and-tube heat exchangers in this study. The circular tubes and elliptic tubes are adopted to be the heat transfer tube, combined with the wavy-types vortex generators, which are used to enhance the heat transfer rate of the heat exchangers. The results show that the circular tube heat exchangers with wavy type vortex generator has the best performances than that of others, which increase the heat transfer rate about 24% higher than that of plate heat excha

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