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Dissertations / Theses on the topic 'Radiative heat transfer and ethylene'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Colomer, Rey Guillem. "Numerical methods for radiative heat transfer." Doctoral thesis, Universitat Politècnica de Catalunya, 2006. http://hdl.handle.net/10803/6691.

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L'objectiu principal d'aquesta tesi es l'estudi de la transferència d'energia per radiació. Per aquest motiu, s'ha estudiat la fenomenologia bàsica de la transferencia de calor per radiació. Tenint en compte el tipus d'equació que descriu aquesta transferència d'energia, aquesta tesi esta encarada als metodes numèrics que ens permetran incorporar la radiació en els nostres càlculs. Donat que aquest és el primer treball d'aquestes característiques en el grup de recerca CTTC ("Centre Tecnològic de Transferència de Calor"), està limitat a geometries senzilles, cartesianes i cilíndriques. <br/><br

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2

Ramamoorthy, Babila. "Numerical simulation of radiative heat transfer." Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2009r/ramamoorthy.pdf.

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3

Quintero, de la Garza Rodrigo Javier 1974. "Spheroidization of iron powders by radiative heat transfer." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/85328.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.<br>Includes bibliographical references (leaves 45-46).<br>by Rodrigo Javier Quintero de la Garza.<br>S.M.

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4

Dai, Jin. "Near-Field Radiative Heat Transfer between Plasmonic Nanostructures." Doctoral thesis, KTH, Optik och Fotonik, OFO, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-195653.

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Radiative heat transfer (RHT) due to coupled electromagnetic near field scan significantly exceed that dictated by Planck’s law. Understanding such phenomenon is not only of fundamental scientific interest, but also relevant to a broad range of applications especially connected to nanotechnologies.This dissertation elaborates, through a scattering approach based on the rigorous coupled wave analysis method, how plasmonic nanostructures can tame the near-field RHT between two bodies. The transmission-factor spectra are corroborated by photonic band diagrams computed using a finite element metho

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5

Luo, Gang. "A cloud fraction and radiative transfer model." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/25753.

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6

End, Thomas [Verfasser]. "Optimal Control of Nonlocal Radiative Heat Transfer / Thomas End." München : Verlag Dr. Hut, 2012. http://d-nb.info/1021072893/34.

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7

Bakeer, Muna. "Radiative heat transfer in gallium arsenide lec crystal pullers." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29916.

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A numerical analysis of radiative heat transfer in a liquid encapsulant Czochralski gallium arsenide crystal puller is developed. The heat transfer and equivilent ambient temperature of each surface element are calculated using the Gebhart radiative model. The effective ambient temperature, to which each surface element is radiating, is found to vary indicating that assuming a constant ambient temperature for all surfaces (simplified radiative model) is incorrect. The importance of including the middle and top cylinders of the growth chamber in numerical analysis of radiative heat transfer i

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8

Luan, Wenqi. "Radiative and total heat transfer in circulating fluidized beds." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq25101.pdf.

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9

Torpey, Mark R. "A study of radiative heat transfer through foam insulation." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/14661.

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10

Mbiock, Aristide. "Radiative heat transfer in furnaces : elliptic boundary value problem." Rouen, 1997. http://www.theses.fr/1997ROUEA002.

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11

Zhang, Yufang. "Coupled convective heat transfer and radiative energy transfer in turbulent boundary layers." Phd thesis, Ecole Centrale Paris, 2013. http://tel.archives-ouvertes.fr/tel-00969159.

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If radiation plays an important role in many engineering applications, especially in those including combustion systems, influence of radiation on turbulent flows, particularly on the turbulent boundary layers, is still not well known. The objective is here to perform a detailed study of radiation effect on turbulent flows. An optimized emission-based reciprocal (OERM) approach of the Monte-Carlo method is proposed for radiation simulation using the CK model for radiative gas properties. OERM allows the uncertainty of results to be locally controlled while it overcomes the drawback of the orig

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12

Glockling, James L. D. "Heat and mass transfer in specific aerosol systems." Thesis, London South Bank University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303937.

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13

Basu, Soumyadipta. "Near-field radiative energy transfer at nanometer distances." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31777.

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Thesis (Ph.D)--Mechanical Engineering, Georgia Institute of Technology, 2010.<br>Committee Chair: Zhang, Zhuomin; Committee Member: Citrin, David; Committee Member: Hesketh, Peter; Committee Member: Joshi, Yogendra; Committee Member: Peterson, Andrew. Part of the SMARTech Electronic Thesis and Dissertation Collection.

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14

Nouri, Nima. "Radiative Conductivity Analysis Of Low-Density Fibrous Materials." UKnowledge, 2015. https://uknowledge.uky.edu/me_etds/66.

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The effective radiative conductivity of fibrous material is an important part of the evaluation of the thermal performance of fibrous insulators. To better evaluate this material property, a three-dimensional direct simulation model which calculates the effective radiative conductivity of fibrous material is proposed. Two different geometries are used in this analysis. The simplified model assumes that the fibers are in a cylindrical shape and does not require identically-sized fibers or a symmetric configuration. Using a geometry with properties resembling those of a fibrous insulator, a nume

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15

Khan, Yasir Urfat. "Modelling of spectral effects in radiative heat transfer in furnaces." Thesis, Coventry University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337097.

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16

Tong, Jonathan Kien-Kwok. "Photonic engineering of near- and far-field radiative heat transfer." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104127.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 181-195).<br>Radiative heat transfer is the process by which two objects exchange thermal energy through the emission and absorption of electromagnetic waves. It is one of nature's key fundamental processes and is ubiquitous in all facets of dail

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17

Vujičić, Mile R. "Finite element modelling and experimental validation in radiative heat transfer." Thesis, Swansea University, 2006. https://cronfa.swan.ac.uk/Record/cronfa42640.

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The work presented in this thesis can be divided into two parts: numerical modelling and experimental validation. The first part considers a finite element computer code called Pharo which has been developed to simulates heat transfer exchanged in an enclosure via thermal radiation and conduction. This finite element heat transfer code has been written for the Defence, Science and Technology Laboratory (DSTL). Face to face (zonal) thermal radiation which operates with diffuse surface properties of materials without a participating media is analyzed and included in Pharo. To analyze the net hea

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18

Coyle, Carolyn Patricia. "Advancing radiative heat transfer modeling in high-temperature liquid-salts." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129113.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, September, 2020<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 125-133).<br>Nuclear and solar-thermal communities are investigating the use of high Prandtl number liquid-salts in energy generation systems, including fluoride salt-cooled high-temperature reactors (FHRs), molten salt reactors (MSRs), fusion devices, and concentrated solar power plants. The temperature distribution in the coolant salts can be affected by participating medi

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19

Lussange, Johann A. "The Casimir energy and radiative heat transfer between nanostructured surfaces." Paris 6, 2012. http://www.theses.fr/2012PA066244.

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Le sujet de cette thèse porte sur les calculs numériques de deux observables quantiques influents à l'échelle submicrométrique: le premier étant la force de Casimir et le second étant le transfert thermique radiatif. En champ proche, ces deux grandeurs physiques sont à l'origine de nombreuses applications potentielles dans le domaine de la nano-ingénierie. Elles sont théoriquement et expérimentalement bien évaluées dans le cas de géométries simples, comme des cavités de Fabry-Pérot formées par deux miroirs plans parallèles. Mais dans le cas des géométries complexes invariablement rencontrées d

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20

Goncalves, Dos santos Rogério. "Large Eddy simulations of turbulent combustion including radiative heat transfer." Châtenay-Malabry, Ecole centrale de Paris, 2008. http://www.theses.fr/2008ECAP1052.

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La combustion est actuellement l’un des principaux moyens de convertir l’énergie. Elle reste cependant un phénomène complexe, où des écoulements turbulents, des réactions chimiques, la présence de plusieurs phases et différentes formes de transfert de chaleur peuvent interagir. Mieux comprendre ces interactions est essentiel pour l’amélioration des systèmes actuels de combustion et dans le développement de leurs successeurs. Le but de cette thèse est d’étudier l’interaction entre la combustion turbulente et le rayonnement thermique à l’aide de la simulation numérique en trois dimensions. Pour

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21

Morales, Rebellon Juan Carlos. "Radiation exchange within enclosures of diffuse gray surfaces : the inverse problem /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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22

Ströhle, Jochen [Verfasser]. "Spectral Modelling of Radiative Heat Transfer in Industrial Furnaces / Jochen Ströhle." Aachen : Shaker, 2004. http://d-nb.info/1172612382/34.

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23

Ip, Samuel Chun Hung. "Study of radiative heat transfer in porous media for sintering applications /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?MECH%202002%20IP.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 82-85). Also available in electronic version. Access restricted to campus users.

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24

Clements, Alastair Greenman. "Modelling mercury oxidation and radiative heat transfer in oxy-coal environments." Thesis, University of Leeds, 2016. http://etheses.whiterose.ac.uk/12594/.

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There is a growing need for secure, flexible and inexpensive energy across the world, however there is also a need to simultaneously curb emissions of greenhouse gasses and toxic pollutants. Fossil fuel combustion is expected to meet a significant portion the world's growing energy demand, however CO2 emissions need to be mitigated to avoid potentially catastrophic effects caused by global warming. Carbon capture and storage (CCS) technologies have been developed to permit the use of fossil fuel combustion in a future with strict controls over greenhouse gas emissions. CCS technologies are sti

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25

Cui, Xiaoming. "Discontinuous finite/boundary element method for radiative heat transfer with application in laser cancer therapy." Online access for everyone, 2005. http://www.dissertations.wsu.edu/Dissertations/Fall2005/x%5Fcui%5F121805.pdf.

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26

Liu, Yan. "Modelling of radiation in laminar flames." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319826.

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27

Fu, Ceji. "Radiative Properties of Emerging Materials and Radiation Heat Transfer at the Nanoscale." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4941.

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A negative index material (NIM), which possesses simultaneously negative permittivity and permeability, is an emerging material that has caught many researchers attention after it was first demonstrated in 2001. It has been shown that electromagnetic waves propagating in NIMs have some remarkable properties such as negative phase velocities and negative refraction and hold enormous promise for applications in imaging and optical communications. This dissertation is centered on investigating the unique aspects of the radiative properties of NIMs. Photon tunneling, which relies on evanescent wav

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28

Singer, Farah. "Influence of the nonlocal effects on the near-field radiative heat transfer." Thesis, Poitiers, 2014. http://www.theses.fr/2014POIT2338.

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Dans ce mémoire de thèse, nous étudions la validité de quelques modèles non locaux de la permittivité diélectrique (PD) dans le calcul du coefficient de transfert de chaleur par rayonnement (CTCR) entre deux matériaux diélectriques, semi- infinies, plans et parallèles, et séparés par un espace vide de largeur d.Dans les études théoriques antérieures, il a été montré que lorsque l'on considère un modèle local de la PD, le transfert de chaleur par rayonnement en champ proche (TCRCP) suit une loi 1/d² quand d devient de l'ordre ou inférieure à quelques centaines de nanomètres. Cette divergence no

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29

English, Justin. "HEAT TRANSFER CHARACTERISTICS IN WILDLAND FUELBEDS." UKnowledge, 2014. http://uknowledge.uky.edu/me_etds/52.

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The fundamental physics governing wildland fire spread are still largely misunderstood. This thesis was motivated by the need to better understand the role of radiative and convective heat transfer in the ignition and spread of wildland fires. The focus of this work incorporated the use of infrared thermographic imaging techniques to investigate fuel particle response from three different heating sources: convective dominated heating from an air torch, radiative dominated heating from a crib fire, and an advancing flame front in a laboratory wind tunnel test. The series of experiments demonstr

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30

Ko, Min Seok. "Numerical simulation of three-dimensional combined convective radiative heat transfer in rectangular channels." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-2542.

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31

Erfurth, Jens [Verfasser]. "Radiative Heat Transfer in Coal-Fired Furnaces and Oxycoal Retrofit Considerations / Jens Erfurth." Aachen : Shaker, 2012. http://d-nb.info/1069048372/34.

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32

Rehfeldt, Sebastian [Verfasser], and Günter [Akademischer Betreuer] Scheffnecht. "Radiative heat transfer in oxy-fuel steam generators / Sebastian Rehfeldt ; Betreuer: Günter Scheffnecht." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2016. http://d-nb.info/1118507487/34.

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33

Henson, Jonathan Charles. "Numerical simulation of spark ignition engines with special emphasis on radiative heat transfer." Thesis, Loughborough University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297589.

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34

Shapiro, Michael Jay. "An experimental investigation of the thermal conductivity of thin-wall hollow ceramic spheres." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/8667.

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35

Lan, Chao-ho. "Radiative combined-mode heat transfer in a multi-dimensional participating medium using spectral methods /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004312.

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36

Maag, Gilles. "Monte Carlo radiative heat transfer analysis of a CH₄ flow laden with carbon particles." Zürich : ETH, Eidgenössische Technische Hochschule Zürich, Institute of Energy Technology, 2006. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=283.

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37

Savur, Mehmet Koray. "A numerical study of combined convective and radiative heat transfer in a rocket engine combustion chamber." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Dec%5FSavur.pdf.

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38

Okyay, Gizem. "Impact of the morphology of soot aggregates on their radiative properties and the subsequent radiative heat transfer through sooty gaseous mixtures." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLC031/document.

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Les suies et leur caractérisation constituent des sujets de recherche très actuels dans divers domaines tels que le diagnostic de la combustion, la combustion numérique, l’optique atmosphérique, l'environnement et les applications de santé. Notre étude se concentre sur les propriétés radiatives des agrégats de suie issus de flammes de combustion ; notre objectif est de déterminer l’effet de la présence de suies sur le transfert de chaleur par rayonnement pour la simulation d'applications industrielles à haute température impliquant la combustion de gaz. Les études actuelles de modélisation du

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39

Zhang, Chang. "Radiative Heat Transfer in Free-Standing Silicon Nitridemembranes in the Application of Thermal Radiation Sensing." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41409.

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Thin-film silicon nitride (SiN) membranes mechanical resonators have been widely used for many fundamental opto-mechanical studies and sensing technologies due to their extremely low mechanical dissipation (high mechanical Q-factor). In this work, we experimentally demonstrate an opto-mechanical approach to perform thermal radiation sensing, using a SiN membrane resonator. An important aspect of this work is to develop a closed-form analytical heat transfer model for assessing the thermal coupling conditionbetween free-standing membranes and their environment. We also derive analytical exp

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40

Johnson, Dennis R. "Analysis and synthesis of radiative heat transfer in longitudinal fins in free space and non-free space." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA236942.

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Thesis (M.S. in Astronautical Engineering)--Naval Postgraduate School, June 1990.<br>Thesis Advisor(s): Kraus, Allan D. Second Reader: Brown, Sue. "June 1990." Description based on signature page. DTIC Identifier(s): Radiators (heating and cooling), radiative transfer, heat transfer (radiation). Author(s) subject terms: Radiative heat transfer, longitudinal fins, free space and non-free space. Includes bibliographical references (p. 147-148). Also available online.

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41

Avila, Matías. "Nonlinear subgrid finite element models for low Mach number flows coupled with radiative heat transfer." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/285809.

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The general description of a fluid flow involves the solution of the compressible Navier-Stokes equations, a very complex problem whose mathematical structure is not well understood. It is widely accepted that these equations provide an accurate description of any problem in fluid mechanics which may present many different nonlinear physical mechanisms. Depending on the physics of the problem under consideration, different simplified models neglecting some physical mechanisms can be derived from asymptotic analysis. On the other hand, radiative heat transfer can strongly interact with convect

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42

Coetsee, Theresa. "Non-isothermal reaction of iron ore-coal mixtures." Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-07092008-142912/.

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43

Paul, Sreebash Chandra. "Large eddy simulation of a fuel-rich turbulent non-premixed reacting flow with radiative heat transfer." Thesis, University of Glasgow, 2008. http://theses.gla.ac.uk/203/.

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The aims of this thesis are to apply the Large Eddy Simulation (LES) and beta Probability Density Function (β- PDF) for the simulation of turbulent non-premixed reacting flow, in particularly for the predictions of soot and NO production, and to investigate the radiative heat transfer during combustion process applying Discrete Ordinates Method (DOM). LES seeks the solution by separating the flow field into large-scale eddies, which carry the majority of the energy and are resolved directly, and small-scale eddies, which have been modelled via Smagorinsky model with constant Cs (Smagorinsky mo

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44

Hua, Yulong. "Modelling and simulation of circulating fluidized bed combustors : solid segregation, radiative heat transfer and coal combustion." Perpignan, 2004. http://www.theses.fr/2004PERP0570.

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This dissertation aims to develop an overall mathematical model of circulating fluidized bed (CFB) combustors on up-to-date theories and experimental data of previous research work. Since solid exhibits a wide particle size distribution in a CFB boiler, a hydrodynamic model based on the semi-empirical approach is developed to approximate the local particle size distribution in CFB. The core/annulus flow structure is applied to this model and the particles in the bed are discretized into several size groups. The model accounts for the disintegration and shrinking of coal particles during the co

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45

Walker, Trevor John. "The use of primitives in the calculation of radiative view factors." Thesis, The University of Sydney, 2013. http://hdl.handle.net/2123/10275.

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Compilations of radiative view factors (often in closed analytical form) are readily available in the open literature for commonly encountered geometries. For more complex three-dimensional (3D) scenarios, however, the effort required to solve the requisite multi-dimensional integrations needed to estimate a required view factor can be daunting to say the least. In such cases, a combination of finite element methods (where the geometry in question is sub-divided into a large number of uniform, often triangular, elements) and Monte Carlo Ray Tracing (MC-RT) has been developed, although frequent

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46

Damm, David L. "Radiative and transient thermal modeling of solid oxide fuel cells." Thesis, Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-11162005-155659/.

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47

Lima, Kwenda L. Merkel. "Development and assessment of an unstructured discrete ordinates method for radiative heat transfer in non-gray media." Thesis, Kingston University, 2010. http://eprints.kingston.ac.uk/20753/.

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The current thesis is the first step in the development of and unstructured Discrete Ordinates Method (DOM) scheme to be implemented in computational fluid dynamics (CFD) codes for fire and combustion applications. Unstructured DOM solvers have not yet been implemented into CFD tools employed for fires applications and the ultimate goal of the present work would be to bridge this gap. The specific goal of the present thesis is to develop an unstructured DOM solver and validate it for a wide range of non-gray scenarios typical of fires and combustion systems. In a second step (future PhD work)

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48

Chaleff, Ethan S. "The Radiative Heat Transfer Properties of Molten Salts and Their Relevance to the Design of Advanced Reactors." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480539289737113.

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49

Brent, Kevin M. "Optimization of Fire Blanket Performance by Varying Radiative Properties." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1313767793.

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50

Williams, Todd Andrew. "Development and Evaluation of Dimensionally Adaptive Techniques for Improving Computational Efficiency of Radiative Heat Transfer Calculations in Cylindrical Combustors." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/9038.

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Computational time to model radiative heat transfer in a cylindrical Pressurized Oxy-Coal (POC) combustor was reduced by incorporating the multi-dimensional characteristics of the combustion field. The Discrete Transfer Method (DTM) and the Discrete Ordinates Method (DOM) were modified to work with a computational mesh that transitions from 3D cells to axisymmetric and then 1D cells, also known as a dimensionally adaptive mesh. For the DTM, three methods were developed for selecting so-called transdimensional rays, the Single Unweighted Ray (SUR) technique, the Multiple Unweighted Ray (MUR) te

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