Relevant bibliographies by topics / Heat exchanger effectiveness / Dissertations / Theses
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Dissertations / Theses on the topic 'Heat exchanger effectiveness'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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1

Booten, Charles (Charles William) 1978. "The effect of manufacturing tolerances and header design on heat exchanger effectiveness." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/8914.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.<br>Includes bibliographical references (p. 125-129).<br>This study seeks to analyze the effect of manufacturing defects and inlet header design on the effectiveness of heat exchangers. A commercial computational fluid dynamics code, FLUENT 5.4, was used to numerically simulate individual and pairs of passages as well as sections of an inlet header and heat-exchanger core. The one- and two passage models show that the four representative manufacturing defects do not have a large impact on overall effect
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2

Andersson, Josefin. "Utredning av värmesystem i Boliden AB:s anläggning vid Tara-gruvan." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-79326.

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Sommaren 2009 besökte WSP en anläggning i anslutning till Taragruvan i Navan, Irland. Syftet av deras besök var att se över ventilationssystemet som var föråldrat. I och med besöket insåg besiktaren att även deras värmesystem var i behov av en uppdatering och den uppgiften resulterade till detta examensarbete.   Det övergripande syftet med arbetet är att undersöka hur ett nutida värmesystem kan byggas upp och förbättra inomhusklimatet jämfört med ett äldre system. Uppgiften i arbetet består av att ta fram ett förslag på utformningen av ett nytt system som tar hänsyn till effektbehov och dagens
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3

Perussi, Ronaldo. "Análise do desempenho de trocadores de calor de fluxo cruzado por simulação numérica." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/18/18147/tde-05072013-104947/.

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O modelo originalmente proposto por Navarro e Cabezas-Gómez (2005) para determinação da Efetividade térmica de trocadores de calor de fluxo cruzado, é avaliado e ampliado. Esta ampliação é extensiva para três casos particulares. No primeiro, o número de unidades de transferência (NUT) é determinado em função da efetividade térmica (E) e da razão entre as capacidades térmicas (C*). No segundo, cartas do fator de correção F para o método da média logarítmica da diferença de temperaturas (MLDT) são desenvolvidas a partir de uma associação entre os métodos E-NUT e MLDT realizada por Kays e London
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4

Stoddard, Ryan Manse. "Experimental Investigations on Non-Wetting Surfaces." Diss., Virginia Tech, 2021. http://hdl.handle.net/10919/103477.

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Superhydrophobic (SHS) and lubricant-infused surfaces (LIS) exhibit exceptional non-wetting characteristics that make them attractive for energy production applications including steam condensation and fouling mitigation. The dissertation work focuses on application of non-wetting surfaces to energy production using a systematic approach examining each component of surface fabrication in three functional areas. First, SHS and LIS are fabricated using robust, scalable methods and tested for durability in heated, wet conditions and under high-energy water jet impingement. Clear performance diffe
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5

Magazoni, Felipe Costa. "Modelagem computacional do desempenho térmico de trocadores de calor de fluxo cruzado e casco e tubos." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18147/tde-24122016-071504/.

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O presente trabalho descreve e introduz uma metodologia numérica de simulação térmica de trocadores de calor de fluxo cruzado e de casco e tubo. A metodologia computacional é utilizada para simular doze configurações de arranjos de escoamento de trocadores de calor de fluxo cruzado com número de passes e tubos por passe arbitrários, assim como diversas condições de mistura de ambos os fluidos. O procedimento computacional é desenvolvido, baseado em diversos trabalhos da literatura, para calcular a efetividade de temperatura e o fator de correção da diferença média logarítmica de temperatura pa
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6

Carman, Bradley Gene. "Design of a high effectiveness ceramic micro-channel heat recuperator for micro-turbine application." Honors in the Major Thesis, University of Central Florida, 2002. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/262.

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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Engineering<br>Mechanical Engineering
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7

Venter, Sarel Jacobus, and D. G. Kroger. "The effectiveness of axial flow fans in a-frame plenums." Thesis, Stellenbosch : University of Stellenbosch, 1990. http://hdl.handle.net/10019.1/15625.

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Thesis (PhD (Mechanical and Mechatronic Engineering)--University of Stellenbosch, 1990.<br>260 leaves printed single pages, preliminary pages i-xxi and numbered pages Chapter 1/1.1-1.3, Chapter 2/2.1-2.17, Chapter 3/3.1.1-3.10, Chapter 4/4.1-4.18, Chapter 5/5.1-5.3, References pages R.1-R.7, Appendix A pages A.1-A.34, Appendix B pages B.1-B.34, Appendix C pages C.1-C.26, Appendix D pages D.1-D.16, Appendix E pages E.1-E.30, Appendix F pages F.1-F.39. Includes bibliography, list of tables, figures and symbols.<br>Digitized at 600 dpi grayscale to pdf format (OCR), using a Bizhub 250 Konica M
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8

Godoy, Sérgio Machado de. "Eficiência térmica de trocadores de calor compactos através de simulação numérica." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/18/18147/tde-19012011-140852/.

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Um novo método numérico, para o cálculo da performance térmica de trocadores de calor com fluxos cruzados é apresentado. Dados referentes a efetividade - número de unidades de transferência (\'épsilon\' - NUT) para vários arranjos de escoamento, padronizados e complexos, foram obtidos usando esta metodologia. Os resultados foram validados através da comparação dos resultados com soluções analíticas conhecidas, para trocadores de calor de fluxos cruzados com um ou múltiplos passes, possuindo de uma até várias fileiras de tubos, e com soluções aproximadas utilizando séries infinitas, para trocad
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9

Khuyen, Nguyen Duc, and 阮德勸. "Heat Transfer Effectiveness and Exergy Recovery Effectiveness of a Spiral Heat Exchanger." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/95170788946406756736.

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碩士<br>中興大學<br>機械工程學系所<br>99<br>In the present study, a numerical method was developed to investigate the heat transfer performance of a spiral heat exchanger. In the spiral heat exchanger, two long metal strips are wound concentrically to create hot-flow channel and cold-flow channel. The flow of the two fluids through a spiral heat exchanger was considered counter-current, the hot-flow circulates counter-clockwise and the cold-flow circulates clockwise. The upper surface, lower surface and outer-most side of the spiral heat exchanger were assumed to be insulated. A heat transfer effectiveness
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10

Lu, Chih-Huang, and 盧志皇. "Effectiveness Analysis of Tubular Crossflow Heat Exchanger." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/80759992826400939616.

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11

Pai, Kai-Li, and 白凱莉. "Effectiveness and Second-Law Efficiency of a Serpentine Heat Exchanger." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/93563353171847560196.

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碩士<br>國立中興大學<br>機械工程學系所<br>96<br>This work adopted a one-dimensional model to analyze the performance of a serpentine heat exchanger which is composed of rectangular tubes. The fluid outside the tube is considered to be unmixed and it flows between two neighboring parallel tubes. The fluid inside the tube is considered to be mixed and it flows in a serpentine manner from the inlet to the exit. The effectiveness of the heat exchanger (ε) is presented as a function of ratio of heat capacitance rates (Ct*), overall number of transfer units (Ntuo) and number of tubes. For a fixed Ct* value, the
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12

Gong, Bao-Jiann, and 龔葆健. "The Parametric Study for the Shell-and-Tube Heat Exchanger Effectiveness." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/30803546801918224760.

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碩士<br>國立屏東科技大學<br>機械工程系<br>92<br>This thesis aims at discussing about the heat transfer and effectiveness of a heat-exchanger that is one of the equipments required to operate a steam power plant. The heat-exchanger in this thesis is used to cool partial ci- rculating water with sea-water；therefor,it can be called a 〝coo- ler〞.Although this equipment only does the heat exchanging,but it affects the volume of electric generator power output.So th- at it should be treated as a key-unit in a power generation sys-
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13

Frain, Matthew J. "Investigation of the influence of gas and solid particle interaction on the heat transfer effectiveness of a falling -bed heat exchanger." 2004. https://scholarworks.umass.edu/dissertations/AAI3136726.

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The objective of this investigation is to evaluate the ability of analytical and computational models to describe the momentum and heat transfer between the gas and particles in a falling-bed heat exchanger. Experimental data are presented for a test falling-bed heat exchanger. Measured temperatures, pressures, and overall heat transfer rates are compared to predicted values from analytical and computational models, and the capabilities and deficiencies of these modeling methods are discussed. In addition, the effect of the addition of a particle distributor on the performance of the falling-b
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14

Van, Niekerk Steven Cronier. "Optimisation criteria of a Rankine steam cycle powered by thorium HTR / Steven Cronier van Niekerk." Thesis, 2014. http://hdl.handle.net/10394/12209.

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HOLCIM has various cement production plants across India. These plants struggle to produce the projected amount of cement due to electricity shortages. Although coal is abundant in India, the production thereof is in short supply. It is proposed that a thorium HTR (100 MWt) combined with a PCU (Rankine cycle) be constructed to supply a cement production plant with the required energy. The Portland cement production process is investigated and it is found that process heat integration is not feasible. The problem is that for the feasibility of this IPP to be assessed, a Rankine cycle needs to b
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15

Zoontjens, Luke. "Numerical investigations of the performance and effectiveness of thermoacoustic couples." 2008. http://hdl.handle.net/2440/49091.

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Thermoacoustics is a field of study which includes devices purpose-built to exploit the phenomenal interaction between heat and sound. Thermoacoustics has been demonstrated as an effective technology which can potentially serve a variety of purposes such as cryogenics, cost-effective domestic refrigeration or electricity generation, without adverse environmental impact or commercial drawbacks such as expensive construction or maintenance costs or high part counts. The mechanisms by which thermoacoustic devices operate at low amplitudes have been identified and effective design tools and method
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16

Hess, Lawrence E. "The effectiveness of heat exchangers with one shell pass and five tube passes." Thesis, 1985. http://hdl.handle.net/10945/21288.

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17

O'Hare, Mark S. "The effectiveness of heat exchangers with one shell pass and three tube passes." Thesis, 1985. http://hdl.handle.net/10945/21289.

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