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Dissertations / Theses on the topic 'Evaporation of Fuel Droplet'

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Published: 4 June 2021

Last updated: 10 February 2022

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1

Mujahid, Raqibul I. "Evaporation of liquid fuel droplet." abstract and full text PDF (UNR users only), 2008. 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:1460767.

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2

Elwardani, Ahmed Elsaid Youssef Mohamed. "Modelling of multi-component fuel droplet heating and evaporation." Thesis, University of Brighton, 2012. https://research.brighton.ac.uk/en/studentTheses/ace0fc77-1fa9-4c7e-a33e-e18ecb0b9f84.

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The results of numerical study of heating and evaporation of monodisperse fuel droplets in an ambient air of fixed temperature and atmospheric pressure are reported and compared to experimental data from the literature. The numerical model is based on the Effective Thermal Conductivity (ETC) model and the analytical solution to the heat conduction equation inside droplets. It is pointed out that the interactions between droplets lead to noticeable reduction of their heating in the case of ethanol, 3-pentanone, n-heptane, n-decane and n-dodecane droplets, and reduction of their cooling in the c

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3

Yun, Thomas. "Fuel reformation and hydrogen generation in variable volume membrane batch reactors with dynamic liquid fuel introduction." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53550.

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In recent years, the need for high performance power sources has increased dramatically with the proliferation of ultra-compact electronic systems for mobile communication, man-portable and versatile military equipment, and electric vehicles. Volume- and mass- based power density are two of the most important performance metrics for portable power sources, including hydrogen generating fuel reforming systems (onboard) for hydrogen fuel cells. Two innovative multifunctional reactor concepts, CO2/H2 Active Membrane Piston (CHAMP) and Direct Droplet Impingement Reactor (DDIR), are combined for th

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4

Feng, Guangjie. "Spray dynamics and air motion in the cylinder of G-DI engine." Thesis, University of Brighton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341271.

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5

Al, Qubeissi Mansour. "Heating and evaporation of automotive fuel droplets." Thesis, University of Brighton, 2015. https://research.brighton.ac.uk/en/studentTheses/540596d9-e14f-4007-9533-acd625e14b8e.

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The previously introduced fuel droplet heating and evaporation models, taking into account temperature gradients, recirculations, and species diffusion within droplets, are further developed and generalised for the application to a broad range of automotive fuel droplets. The research has been conducted in three directions: modelling of biodiesel fuel droplets, modelling of Diesel fuel droplets, and modelling of gasoline fuel droplets.

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6

Tolonen, Erik. "Evaporation Characteristics of a Liquid Bio-Fuel from Chicken Litter." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/26060.

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Alternative fuels are becoming more important as fossil fuels become more expensive. This thesis describes the production and properties of a bio-oil produced from waste biomass, in this case chicken litter. A higher quality fuel was produced through thermal and chemical upgrading of the raw bio-oil; this fuel is similar in some respects to fossil fuels, as it has a high hydrocarbon content and energy density comparable to gasoline. Combustion of liquid fuels commonly occurs in clouds of droplets, and studying the evaporation of single liquid drops provides information on the evaporation chara

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7

Kristyadi, Tarsisius. "Modelling of the heating and evaporation of fuel droplets." Thesis, University of Brighton, 2007. https://research.brighton.ac.uk/en/studentTheses/76ad22c1-5e09-410c-bec6-acf5bf1fe815.

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The results of a comparative analysis of liquid and gas phase models for fuel droplets heating and evaporation, suitable for implementation into computational fluid dynamics (CFD) codes, are presented. Among liquid phase models, the analysis is focused on the model based on the assumption that the liquid thermal conductivity is infinitely large, and the so called effective thermal conductivity model. Seven gas phase models are compared. These are six semi-theoretical models, based on various assumptions, and a model based solely on the approximation to experimental data. It is pointed out that

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8

Fardad, Davood. "Investigation of evaporation of hydrocarbon droplets on heated surfaces." Thesis, Brunel University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296173.

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9

Xie, Jianfei. "Development of a new kinetic model for the analysis of heating and evaporation processes in complex hydrocarbon fuel droplets." Thesis, University of Brighton, 2013. https://research.brighton.ac.uk/en/studentTheses/866b0ab3-7dcc-44e4-8334-57d56b73cce3.

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This work is concerned with the development of a new quantitative kinetic model for the analysis of hydrocarbon fuel droplet heating and evaporation, suitable for practical engineering applications. The work mainly focuses on the following two areas. Firstly, a new molecular dynamics (MD) algorithm for the simulation of complex hydrocarbon molecules, with emphasis on the evaporation/condensation process of liquid n-dodecane (C12H26), which is used as an approximation for Diesel fuel, has been developed. The analysis of n-dodecane molecules has been reduced to the analysis of simplified molecul

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10

Lei, Shenghui. "CFD analysis/optimization of thermo-acoustic instabilities in liquid fuelled aero stationary gas turbine combustors." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/cfd-analysis-optimization-of-thermoacoustic-instabilities-in-liquid-fuelled-aero-stationary-gas-turbine-combustors(38bc317e-aa3d-4fd6-825d-e45e7637e841).html.

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It has been recognized that the evaporation process is one of the pivotal mechanisms driving thermo-acoustic instability in gas turbines and rockets in particular. In this regard, this study is principally focused on studying the evaporation process relevant to thermo-acoustic instability from three complementary viewpoints in an effort to contribute to an overall instability model driven primarily by evaporation in gas turbine combustors. Firstly, a state of the art LES algorithm is employed to validate an evaporation model to be employed in predictive modelling regarding combustion instabili

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11

Heiner, Mark C. "Development and Testing of a Hydrogen Peroxide Injected Thrust Augmenting Nozzle for a Hybrid Rocket." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7630.

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During a rocket launch, the point at which the most thrust is needed is at lift-off where the rocket is the heaviest since it is full of propellant. Unfortunately, this is also the point at which rocket engines perform the most poorly due to the relatively high atmospheric pressure at sea level. The Thrust Augmenting Nozzle (TAN) investigated in this paper provides a solution to this dilemma. By injecting extra propellant into the nozzle but downstream of the throat, the internal nozzle pressure is raised and the thrust is increased, and the nozzle efficiency, or specific impulse is potentiall

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12

Stauber, J. M. "On the evaporation of sessile droplets." Thesis, University of Strathclyde, 2015. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=25530.

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In this thesis the evolution of sessile droplets in different modes of evaporation and their lifetimes are investigated. The thesis focuses on situations in which the diffusion of vapour into the surrounding atmosphere is the rate-limiting mechanism of evaporation. First, we describe the evolution of droplets evaporating in the two extreme modes, namely the constant contact radius mode, in which the contact line of the droplet is always pinned, and the constant contact angle mode, in which the contact line of the droplet is always de-pinned. In particular, we demonstrate how these two modes co

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13

Roberts, Ian David. "Droplet evaporation from porous surfaces." Thesis, University of Manchester, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294978.

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14

Lupo, Giandomenico. "Detailed simulations of droplet evaporation." Licentiate thesis, KTH, Mekanik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217614.

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Droplet evaporation (and condensation) is one of the most common instancesof multiphase flow with phase change, encountered in nature as well as intechnical and industrial applications. Examples include falling rain drops, fogsand mists, aerosol applications like electronic cigarettes and inhalation drugdelivery, engineering applications like spray combustion, spray wet scrubbing orgas absorption, spray drying, flame spray pyrolysis.Multiphase flow with phase change is a challenging topic due to the inter-twined physical phenomena that govern its dynamics. Numerical simulation isan outstanding

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15

Axfeldt, Daniel, and Johan Bruno. "Fuel Evaporation Control System." Thesis, Halmstad University, School of Business and Engineering (SET), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-725.

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<p>Husqvarna AB uppmärksammade att det kommer införas nya miljöregler i Kalifornien gällande diffusionsutsläpp. De åkgräsklippare som går under namnet Rider och tillverkas av Husqvarna idag uppfyller ej dessa krav. Dagens bränsletank är tillverkad i plastmaterialet HDPE och avdunstande bränsleångor klättrar lätt igenom tankväggen ut i atmosfären vilket ej är tillåtet enligt de nya reglerna. Vi blev tillfrågade om vi kunde lösa problematiken och ta fram ett system som kontrollerar de avdunstade bränsleångorna och se till att detta system uppfyller de krav som ställs i Kalifornien. </p><p>Som bl

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16

Rajagopalan, Venkat N. "GENERATION OF MULTICOMPONENT POLYMER BLEND MICROPARTICLES USING DROPLET EVAPORATION TECHNIQUE AND MODELING EVAPORATION OF BINARY DROPLET CONTAINING NON-VOLATILE SOLUTE." UKnowledge, 2014. http://uknowledge.uky.edu/cme_etds/39.

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Recently, considerable attention has been focused on the generation of nano- and micrometer scale multicomponent polymer particles with specifically tailored mechanical, electrical and optical properties. As only a few polymer-polymer pairs are miscible, the set of multicomponent polymer systems achievable by conventional methods, such as melt blending, is severely limited in property ranges. Therefore, researchers have been evaluating synthesis methods that can arbitrarily blend immiscible solvent pairs, thus expanding the range of properties that are practical. The generation of blended micr

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17

Chang, Emily P. "Controlled emulsion droplet solvent evaporation for particle production." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81748.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2013.<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.<br>In this work, we are motivated by the need to produce particles of well-controlled size, shape and morphology for general application in catalysis, environmental remediation, nanomedicine, pharmaceuticals, the development of new materials, and other field

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18

Kitano, Tomoaki. "Numerical Study on Droplet Evaporation and Combustion Instability." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215511.

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19

Fujita, Akitoshi. "Numerical Simulations of Spray Combustion and Droplet Evaporation." 京都大学 (Kyoto University), 2011. http://hdl.handle.net/2433/142213.

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20

Zhao, Yong. "Study of multi-component droplet evaporation by advanced optical diagnostics /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?MECH%202003%20ZHAO.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 95-101). Also available in electronic version. Access restricted to campus users.

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21

He, Xukun. "The Effects of Surface Topography on Droplet Evaporation and Condensation." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/103642.

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Droplet evaporation and condensation are two important topics of interest, since these two phase-change phenomena not only occur in the cycle of global water, e.g., the formation of rain, fog, dew, and snow in nature, but also play a critical role in a variety of applications including phase-change heat transfer enhancement, surface chemistry and energy system optimization. Especially, in the past two decades, the rapid development of the nature-inspired non-wetting surfaces has promoted the applications of droplet-based phase change phenomena in various scenarios. However, most previous studi

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22

Jadidbonab, Hesamaldin. "Diesel fuel droplet impingement on heated surfaces." Thesis, City, University of London, 2018. http://openaccess.city.ac.uk/19669/.

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The present study is the result of 4 years experimental research study aimed at understanding the hydrodynamic and heat transfer phenomena of a Diesel fuel droplet during the impact process with a heated flat and spherical surface. Such a phenomena are of a direct relevance to many engineering problems such as IC engines and fluid catalytic cracking (FCC). Due to the fact that the spray systems in the aforementioned applications may be comprised of millions of interacting droplets that prohibit detailed identification of the flow conditions during the impact of individual droplets, the current

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23

McGaughey, Alan James Hastings. "The evaporation and stability of a droplet in a finite system." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0017/MQ54114.pdf.

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24

Orejon, Daniel. "Study of nanosuspension droplets free evaporation and electrowetting." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/8272.

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Evaporation and wetting of droplets are a phenomena present in everyday life and in many industrial, biological or medical applications; thus controlling and understanding the underlying mechanisms governing this phenomena becomes of paramount importance. More recently, breakthroughs in the fabrication of new materials and nanomaterials have led to the synthesis of novel nanoscale particulates that dispersed into a base fluid modify the properties of this latter. Enhancement in heat transfer or the self-assembly of the particles in suspension during evaporation, are some of the areas in which

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25

Bazargan, Vahid. "Effect of substrate cooling and droplet shape and composition on the droplet evaporation and the deposition of particles." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/46260.

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Sessile droplets are liquid droplets resting on a flat substrate. During the evaporation of small sessile droplets, the contact line of the droplet undergoes two different stages: pinned stage with fixed contact area and de-pinned stage with fixed contact angle. An evaporation with a pinned contact line produces a flow inside the droplet toward the contact line. This flow carries particles and deposits them near the contact line. This causes the commonly observed ???coffee-ring??? phenomenon. This thesis provides a study of the evaporation process and the evaporation-induced flow of sessile dr

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26

Keller, Peter [Verfasser]. "Numerical Simulation of Multicomponent Fuel Evaporation / Peter Keller." München : Verlag Dr. Hut, 2015. http://d-nb.info/1077404115/34.

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27

Moran, Derek Paul. "The effects of fuel evaporation on engine knock." Master's thesis, University of Cape Town, 1993. http://hdl.handle.net/11427/8478.

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Includes bibliographical references.<br>It has been known for a long time that alcohol-gasoline blended fuels exhibit an unexplained tendency to knock at high engine speeds; a characteristic that is not generally experienced with conventional gasoline. Early studies showed that the problem could be linked to an unusually high temperature sensitivity exhibited by the blended fuels, but the exact cause of this temperature sensitivity was not readily identified, and research efforts became diversified in attempts to make headway. Initial studies in the field of high-speed knock were based on the

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28

Abdelghaffar, Walid Abdel Aziz Ibrahim. "Modelling of fuel droplet heating in diesel engines." Thesis, University of Brighton, 2005. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418570.

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29

Manosroi, Woradej [Verfasser]. "Single Droplet Evaporation Characteristics and Behaviors at Higher Ambient Temperatures / Woradej Manosroi." München : Verlag Dr. Hut, 2016. http://d-nb.info/1084385155/34.

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30

Bonuccelli, Courtney Leigh Herring. "A theoretical and experimental investigation of multi-phase interactions in pure and multicomponent droplet evaporation." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Thesis/Fall2006/C_Bonuccelli_012907.pdf.

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31

Varady, Mark Jordan. "Fuel reformation and hydrogen generation in direct droplet impingement reactors." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/42826.

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Distributed hydrogen generation from liquid hydrocarbon fuels to supply portable fuel cells presents an attractive, high energy density alternative to current battery technology. Traditional unit operation reactor design for hydrogen generation becomes inadequate with decrease in scale because of the unique challenges of size and weight minimization. To address the challenge of reactor scale-down, the concept of multifunctional reactors has emerged, in which synergistic combination of different unit operations is explored to achieve improved performance. The direct droplet impingement reactor

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32

Soulié, Virginie. "Sessile Droplets of Salt Solutions on Inert and Metallic Surfaces : Influence of Salt Concentration Gradients on Evaporation and Corrosion Behaviour." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS129/document.

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Dans cette thèse, la dynamique d'évaporation de gouttes sessiles de solutions salines sur des surfaces planes inertes et métalliques a été étudiée et le phénomène de corrosion pour les surfaces ferriques caractérisé. En premier lieu, nous nous sommes intéressés à la dynamique d'évaporation de gouttes sessiles salées sur des surfaces inertes pour une large gamme de concentrations en sel, d'humidité relatives, de tailles de goutte et d'angles de contact. Notre étude révèle les domaines de validité du modèle classique d'évaporation, processus contrôlé par la diffusion de la vapeur dans l'air et m

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33

Elmedhem, Bashir A. "Modelling of liquid fuel combustion in furnaces." Thesis, University of Glasgow, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325303.

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34

Hugo, Bruce Robert. "Modeling evaporation from spent nuclear fuel storage pools| A diffusion approach." Thesis, Washington State University, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10043059.

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<p> Accurate prediction of evaporative losses from light water reactor nuclear power plant (NPP) spent fuel storage pools (SFPs) is important for activities ranging from sizing of water makeup systems during NPP design to predicting the time available to supply emergency makeup water following severe accidents. Existing correlations for predicting evaporation from water surfaces are only optimized for conditions typical of swimming pools. This new approach modeling evaporation as a diffusion process has yielded an evaporation rate model that provided a better fit of published high temperature

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35

Semenov, Sergey. "Computer simulations of evaporation of sessile liquid droplets on solid substrates." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/10277.

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Present work is focused on the numerical study of evaporation of sessile liquid droplets on top of smooth solid substrates. The process of evaporation of a sessile liquid droplet has lots of different applications both in industry and research area. This process has been under study for many years, and still it is an actual problem, solution of which can give answers on some fundamental and practical questions. Instantaneous distribution of mass and heat fluxes inside and outside of an evaporating sessile droplet is studied in this research using computer simulations. The deduced dependences o

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36

Hays, Robb C. "Thermal Transport to Sessile Water Droplets on Heated Superhydrophobic Surfaces of Varying Cavity Fraction." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/4241.

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The hydrophobicity of a surface is defined as the degree to which it repels water molecules, and the internal contact angle that the droplet makes with the surface is a measure of the hydrophobicity. Contact angles less than 90° occur on hydrophilic surfaces, while contact angles greater than 90° occur on hydrophobic surfaces. If a surface's contact angle is greater than 120° the surface is commonly defined as superhydrophobic (SH). Superhydrophobicity is accomplished through a combination of microscale surface roughness and water repellant surface chemistry. The roughness creates cavities, or

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37

Negro, Sergio <1971&gt. "The prediction of flash evaporation in superheated fuel injections for automotive applications." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3294/.

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In gasoline Port Fuel Injection (PFI) and Direct Injection (GDI) internal combustion engines, the liquid fuel might be injected into a gaseous ambient in a superheated state, resulting in flash boiling of the fuel. The importance to investigate and predict such a process is due to the influence it has on the liquid fuel atomization and vaporization and thus on combustion, with direct implications on engine performances and exhaust gas emissions. The topic of the present PhD research involves the numerical analysis of the behaviour of the superheated fuel during the injection process, in high p

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38

Jarauta, Arabi Àlex. "Modeling of droplet dynamics in a proton exchange fuel cell electrode channel." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/393859.

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Fuel cells are promising alternatives to conventional energy conversion devices. Cells fueled with hydrogen are environmentally friendly and their effciency is up to 3 times higher than that of high-temperature combustion devices. However, they are still expensive and their durability is limited. One of the key factors in fuel cell performance is the so-called water management. Water produced within the fuel cell is evacuated through the gas channels, but at high current densities water can block the channel, limiting the current density generated in the fuel cell and thus reducing its

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39

Yozgatligil, Ahmet Choi Mun Young. "Burning and sooting behavior of ethanol droplet combustion under microgravity conditions /." Philadelphia, Pa. : Drexel University, 2005. http://dspace.library.drexel.edu/handle/1860/475.

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40

Askounis, Alexandros. "Surface nano-patterning using the coffee-stain effect." Thesis, University of Edinburgh, 2015. http://hdl.handle.net/1842/10450.

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Addition of nanopacticles in a base solvent leads to suspensions with enhanced physiochemical properties, compared to base solvent. This new type of suspensions is called nanofluids, with applications ranging from biomedicine to automotives. As a consequence extensive research is being conducted in the field, in particular, on the evaporation of these fluids as it leads to well-defined and highly ordered coffee-rings. However, the exact physics governing this phenomenon remain elusive. The goal of this experimental investigation is to elucidate how various parameters affect the progression of

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41

Wu, Xiongjun. "Flow structures, mixing and droplet production in a fuel-water stratified shear layer." Available to US Hopkins community, 2002. http://wwwlib.umi.com/dissertations/dlnow/3068232.

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Saha, Abhishek. "Evaporation, Precipitation Dynamics and Instability of Acoustically Levitated Functional Droplets." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5477.

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Evaporation of pure and binary liquid droplets is of interest in thermal sprays and spray drying of food, ceramics and pharmaceutical products. Understanding the rate of heat and mass transfer in any drying process is important not only to enhance evaporation rate or vapor-gas mixing, but also to predict and control the final morphology and microstructure of the precipitates. Acoustic levitation is an alternative method to study micron-sized droplets without wall effects, which eliminates chemical and thermal contamination with surfaces. This work uses an ultrasonic levitation technique to inv

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43

Rauch, Bastian [Verfasser], and Manfred [Akademischer Betreuer] Aigner. "Systematic accuracy assessment for alternative aviation fuel evaporation models / Bastian Rauch ; Betreuer: Manfred Aigner." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2018. http://d-nb.info/1162893478/34.

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44

Grimes, Matthew, Paul Myrdal, and Poonam Sheth. "Cosolvent Effect on Droplet Evaporation Time, Aerodynamic Particle Size Distribution, and Differential Throat Deposition for Pressurized Metered Dose Inhalers." The University of Arizona, 2015. http://hdl.handle.net/10150/614123.

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Class of 2015 Abstract<br>Objectives: To evaluate the in vitro performance of various pressurized metered dose inhaler (pMDI) formulations by cascade impaction primarily focusing on throat deposition, fine particle fraction (FPF), and mass-median aerodynamic diameter (MMADR) measurements Methods: Ten solution pMDIs were prepared with varying cosolvent species in either low (8% w/w) or high (20% w/w) concentration. The chosen cosolvents were either alcohol (ethanol, n-propanol) or acetate (methyl-, ethyl-, and butyl acetate) in chemical nature. All formulations used HFA-134a propellant and 0.3

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45

Tijerino, Campollo Erick. "Agglomeration, Evaporation and Morphological Changes in Droplets with Nanosilica and Nanoalumina Suspensions in an Acoustic Field." Master's thesis, University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5531.

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Acoustic levitation permits the study of droplet dynamics without the effects of surface interactions present in other techniques such as pendant droplet methods. Despite the complexities of the interactions of the acoustic field with the suspended droplet, acoustic levitation provides distinct advantages of controlling morphology of droplets with nanosuspensions post precipitation. Droplet morphology is controlled by vaporization, deformation and agglomeration of nanoparticles, and therefore their respective timescales are important to control the final shape. The balance of forces acting on

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46

Lim, Chin Wai. "Numerical Modelling of Transient and Droplet Transport for Pulsed Pressure - Chemical Vapour Deposition (PP-CVD) Process." Thesis, University of Canterbury. Mechanical Engineering, 2012. http://hdl.handle.net/10092/6829.

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The objective of this thesis is to develop an easy-to-use and computationally economical numerical tool to investigate the flow field in the Pulsed Pressure Chemical Vapour Deposition (PP-CVD) reactor. The PP-CVD process is a novel thin film deposition technique with some advantages over traditional CVD methods. The numerical modelling of the PP-CVD flow field is carried out using the Quiet Direct Simulation (QDS) method, which is a flux-based kinetic-theory approach. Two approaches are considered for the flux reconstruction, which are the true directional manner and the directional splitting

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47

McGhee, Warner(Warner A. ). "Development of an experimental technique to investigate droplet cooling phenomena on accident tolerant fuel materials." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/127309.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Nuclear Science and Engineering, May, 2020<br>Cataloged from the official PDF of thesis.<br>Includes bibliographical references (page 51).<br>Droplet cooling is used in many heat removal applications, including core spray coolers in boiling water reactors. As new accident tolerant fuels are developed, understanding how they respond to droplet cooling is important to ensuring safe operations. Recent studies have indicated that surfaces engineered with micro- and nanostructures may affect the Leidenfrost point temperature of wate

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Gopireddy, Srikanth Reddy [Verfasser], and Eva [Akademischer Betreuer] Gutheil. "Numerical Simulation of Bi-component Droplet Evaporation and Dispersion in Spray and Spray Drying / Srikanth Reddy Gopireddy ; Betreuer: Eva Gutheil." Heidelberg : Universitätsbibliothek Heidelberg, 2013. http://d-nb.info/1177809982/34.

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49

Gusev, Ivan. "A mathematical study of the effect of a moving boundary and a thermal boundary layer on droplet heating and evaporation." Thesis, University of Brighton, 2012. https://research.brighton.ac.uk/en/studentTheses/092cc4ff-5890-4f6c-8969-f40b1afa9762.

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Abstract:

Two new solutions to the heat conduction equation, describing transient heating of an evaporating droplet, are suggested. Both solutions take into account the effect of the reduction of the droplet radius due to evaporation, assuming that this radius is a linear function of time. It has been pointed out that the new approach predicts lower droplet surface temperatures and slower evaporation rates compared with the traditional approach. New solutions to the heat conduction equation, describing transient heating of an evaporating droplet, are suggested, assuming that the time evolution of drople

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Evans, John P. "Experimental Evaluation of the Effect of Inlet Gas Humidification on Fuel Cell Performance." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/9597.

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Abstract:

The development and evaluation of a fuel cell test stand incorporating various methods for controlling the temperature and humidity of fuel cell reactants is described. The test stand is capable of accurately metering gas flows, controlling the temperature and humidity of the gases, and delivering the gases to the fuel cell in a safe manner. Additionally, the test stand can measure the voltage and current produced by the fuel cell during operation. Two test stands were constructed and evaluated, one using steam injection for fuel cell stacks and the other using flash evaporation for individual

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