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Dissertations / Theses on the topic 'ANSYS Computational Fluid Dynamic'

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Published: 5 June 2025

Last updated: 16 July 2025

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1

Anderle, Milan. "Vývoj modelu kalcinace pro ANSYS Fluent." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-367526.

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The aim of the diploma thesis was creating a decarbonisation model of lime, implementation the model into CFD tool ANSYS Fluent and to test the decarbonisation model in a model of a real reactor. The required model was based on assumptions for a Shrinking Core Model (SCM). The main objective of this work was the non-catalytic conversion of substances and the search for the most used mathematical models for calcination. The CFD calculation, the sensitivity analysis and the Fluente parametric study were used. Data on the composition of gas flow, temperature, pressure and mass flow of limestone p

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2

Nordahl, Emily Rose. "Best Practices in Computational Fluid Dynamics Modeling of Cerebral Aneurysms using ANSYS CFX." Thesis, North Dakota State University, 2015. https://hdl.handle.net/10365/27810.

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Today many researchers are looking toward computational fluid dynamics (CFD) as a tool that can help doctors understand and predict the severity of aneurysms, but there has yet to be any conclusive proof of the accuracy or the ease of implementation of this CFD analysis. To help solve this issue, CFD simulations were conducted to compare these setup practices in order to find the most accurate and computationally efficient setup. These simulation comparisons were applied over two CFD group challenges from the CFD community whose goal was not only to assess modeling accuracy, but the anal

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3

Rogers, Charles. "Computational Fluid Dynamics Analysis of an Ideal Anguilliform Swimming Motion." ScholarWorks@UNO, 2014. http://scholarworks.uno.edu/td/1940.

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There is an ongoing interest in analyzing the flow characteristics of swimming fish. Biology has resulted in some very efficient motions and formulating these motions is of interest to engineers. One such theory was written by Dr. William Vorus and Dr. Brandon Taravella involving ideal efficiency. It is therefore interesting to test the calculations to see if it is possible to design a motion that can create thrust without necessarily creating vorticity. The computational fluid dynamics software of ANSYS Fluent was used to calculate the resulting flow field of the eel motion to compare with th

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4

Lindstens, Robin. "Computational fluid dynamics calculations of a spillway’s energy dissipation." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-417950.

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To make sure that a dam is safe it is important to have good knowledge about the energy dissipation in the spillway. Physical hydraulic model tests are reliable when investigating how the water flow behaves on its way through the spillway. The problem with physical model testing is that it is both expensive and time consuming, therefore computational fluid dynamics, CFD, is a more feasible option. This projects focuses on a spillway located in Sweden that Vattenfall R&D built a physical model of to simulate the water discharge and evaluate the energy dissipation in order to rebuild the act

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5

Goolcharan, John D. "Computational Fluid Dynamic analysis of Microbubble Drag Reduction Systems at High Reynolds Number." FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2542.

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Microbubble drag reduction (MBDR) is an effective method to improve the efficiency of fluid systems. MBDR is a field that has been extensively studied in the past, and experimental values of up to 80% to 90% drag reduction have been obtained. The effectiveness and simplicity of MBDR makes it a viable method for real world applications, particularly in naval applications where it can reduce the drag between the surface of ships and the surrounding water. A two dimensional single phase model was created in ANSYS Fluent to effectively model the behavior of bubble laden flow over a flat plate. Thi

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6

Hammoudi, Hellen. "Modeling of Mixing in Cross Junction using Computational Fluid Dynamics." Technischen Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A75624.

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Research has shown that mixing in cross-junctions in water distribution systems is far from perfect, and that the entering fluids bifurcate from each other rather than mix. The purpose of this thesis is to study the behaviour of two fluids entering a cross-junction in a water distribution system. In this context, experimental tests and numerical simulations are performed in order to produce and test the mixing at cross-junctions. This study focuses on cross-junctions with equal pipe diameters, with flows that can vary from laminar to turbulent. The fluids are pure water and tracer. Different t

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7

Koren, Dejan. "Computational Fluid Dynamics Unstructured Mesh Optimization for the Siemens 4th Generation DLE Burner." Thesis, KTH, Mekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-178034.

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Every computational fluid dynamics engineer deals with a never ending story – limitedcomputer resources. In computational fluid dynamics there is practically never enoughcomputer power. Limited computer resources lead to long calculation times which result inhigh costs and one of the main reasons is that large quantity of elements are needed in acomputational mesh in order to obtain accurate and reliable results.Although there exist established meshing approaches for the Siemens 4th generation DLEburner, mesh dependency has not been fully evaluated yet. The main goal of this work istherefore t

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8

Moghimi, Ardekani Mohammad. "Optical thermal and economic optimisation of a linear Fresnel collector." Thesis, University of Pretoria, 2017. http://hdl.handle.net/2263/61313.

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Solar energy is one of a very few low-carbon energy technologies with the enormous potential to grow to a large scale. Currently, solar power is generated via the photovoltaic (PV) and concentrating solar power (CSP) technologies. The ability of CSPs to scale up renewable energy at the utility level, as well as to store energy for electrical power generation even under circumstances when the sun is not available (after sunset or on a cloudy day), makes this technology an attractive option for sustainable clean energy. The levelised electricity cost (LEC) of CSP with thermal storage was about 0

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9

Adhikari, Param C. "Computational Analysis of Mixing in Microchannels." Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1370799440.

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10

Pandey, Vivek. "Extensional Mixing Elements for Improved Dispersive Mixing in Extrusion Operations." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1591698465031928.

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11

Nunes, Bonaventure R. "Numerical Loss Prediction of high Pressure Steam Turbine airfoils." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/51742.

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Steam turbines are widely used in various industrial applications, primarily for power extraction. However, deviation for operating design conditions is a frequent occurrence for such machines, and therefore, understanding their performance at off design conditions is critical to ensure that the needs of the power demanding systems are met as well as ensuring safe operation of the steam turbines. In this thesis, the aerodynamic performance of three different turbine airfoil sections ( baseline, mid radius and tip profile) as a function of angle of incidence and exit Mach numbers, is numericall

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12

González, Silva Germán. "Metodologia para aplicar LES ao craqueamento catalítico fluido em um reator riser industrial." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266671.

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Orientador: Milton Mori<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química<br>Made available in DSpace on 2018-08-21T06:39:27Z (GMT). No. of bitstreams: 1 GonzalezSilva_German_D.pdf: 4427269 bytes, checksum: bb45c122c3faad0613f060ad4cbd3b61 (MD5) Previous issue date: 2012<br>Resumo: O objetivo principal desta tese é propor uma metodologia para aplicar simulação de grandes escalas (LES) em uma unidade de craqueamento catalítico industrial. Para atingir este objetivo, iniciou-se propondo uma metodologia para a construção da malha, sendo uma malha quase-uni

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Kerestes, Jared N. "Numerical Investigation of Flow Around a Deformed Vacuum Lighter-Than-Air Vehicle." Wright State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=wright1622235951947085.

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14

Plank, Jack R. "Nuclear Thermal Propulsion Cool-Down Phase Optimization Through Quasi-Steady Computational Analysis, and the Effect of Auxiliary Heat Removal Systems." The Ohio State University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1618934609976051.

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15

PEREIRA, Evaldo Marcos Ascendino. "Secagem de mamona da variedade BRS energia: experimentação e simulação." Universidade Federal de Campina Grande, 2015. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/891.

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Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-06-05T19:00:32Z No. of bitstreams: 1 EVALDO MARCOS ASCENDINO PEREIRA – TESE (PPGEP) 2015.pdf: 8939459 bytes, checksum: e1aafd638233894a238ae405231508a3 (MD5)<br>Made available in DSpace on 2018-06-05T19:00:32Z (GMT). No. of bitstreams: 1 EVALDO MARCOS ASCENDINO PEREIRA – TESE (PPGEP) 2015.pdf: 8939459 bytes, checksum: e1aafd638233894a238ae405231508a3 (MD5) Previous issue date: 2015-05-29<br>CNPq<br>Subprodutos à base de óleo de rícino são utilizados na fabricação de vários produtos de base comercialmente importantes

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16

Hrubý, Pavel. "Zatížení větrem lehké mostní konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226467.

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The present thesis is concerned with air flow over lightweight footbridge. Special attention is paid to flow-induced instabilities. The thesis opens with a theoretical elaboration on the phenomena related to the research matter. The next part investigates air flow over footbridge in a specific situation using numerical simulation in the Ansys CFX software. Finally, results are discussed in the light of chosen theoretical framework and relevant conclusions are presented.

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Izadyar, Nima. "Identification and classification of key features of balconies to promote thermal comfort under natural ventilation mode." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/206905/1/Nima_Izadyar_Thesis.pdf.

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Occupants of high-rise apartments often rely on mechanical air conditioning for cooling, impacting on greenhouse gas emissions and energy costs. This research investigated how balconies can reduce air conditioning use by increasing natural ventilation. Computational Fluid Dynamics was used to examine how balcony depth and the size of the balcony door impacts on air entering the apartment, and how that air moves around the apartment. It showed that a higher cooling effect was gained by reducing the door opening size and that shallow balconies result in non-uniform indoor air distribution. These

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18

MOREIRA, Gicélia. "Simulação numérica do escoamento de óleo em um duto submerso com orifício de vazamento." Universidade Federal de Campina Grande, 2016. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/283.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-03-12T16:50:19Z No. of bitstreams: 1 GICELIA MOREIRA - DISSERTAÇÃO PPGEQ 2016..pdf: 5021034 bytes, checksum: 457c2c52b8b0021ca9e6c10a53a0f200 (MD5)<br>Made available in DSpace on 2018-03-12T16:50:19Z (GMT). No. of bitstreams: 1 GICELIA MOREIRA - DISSERTAÇÃO PPGEQ 2016..pdf: 5021034 bytes, checksum: 457c2c52b8b0021ca9e6c10a53a0f200 (MD5) Previous issue date: 2016-03-30<br>Vazamento em oleodutos, além de prejuízos financeiros pode causar diversos danos ambientais, onde, o conhecimento dos fenômenos interfaciais de líquidos imi

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19

Hickerson, David A. "Computational Fluid Dynamic Study of Heaving-to." Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23766.

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This study looks at the fluid interactions from the wake of a sail boat performing the heaving-to storm tactic in heavy weather seas with the waves. This interaction causes the wave height in the wake to be reduced. The fluid flow in the top layer of the wave is seen to move with the wake as the hull drifts with the wind. This movement of the top layer of the wave provides a vertical momentum cancelation affect with the portion of the wave that it moves over reducing the wave height. STAR-CCM+ CFD software is used to perform the simulations of the steep waves with wavelength of 25 meters, 55

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20

Cancela, Rodriguez Eva Maria. "Optimization of CFRP components positioning inside the autoclave through CFD simulations." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Carbon fiber reinforced polymers (CFRP) show an excellent balance between thermomechanical properties and low density, leading them to be the material of choice in many applications. In the past years, the use of polymer matrix composites has significantly increased in the aerospace, automotive and naval sectors. Correspondingly, the requirements on high performance and quality keep increasing with the market demand. This generates a big concern on material properties along with the production of a large number of components, minimizing cycles’ time. This document deals with the optimization

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21

SANTOS, Tarcísio David KOnna Nunes. "Simulação em CFP de um reator CSTR para produção de biodíesel." Universidade Federal de Campina Grande, 2016. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/301.

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Submitted by Johnny Rodrigues (johnnyrodrigues@ufcg.edu.br) on 2018-03-20T13:04:38Z No. of bitstreams: 1 TARCISIO DAVID KONNA NUNES SANTOS - DISSERTAÇÃO PPGEQ 2016..pdf: 1645201 bytes, checksum: 6f9773a951b06aacdb26ff5287e21e18 (MD5)<br>Made available in DSpace on 2018-03-20T13:04:38Z (GMT). No. of bitstreams: 1 TARCISIO DAVID KONNA NUNES SANTOS - DISSERTAÇÃO PPGEQ 2016..pdf: 1645201 bytes, checksum: 6f9773a951b06aacdb26ff5287e21e18 (MD5) Previous issue date: 2016-03-23<br>Este trabalho propôs um modelo matemático para um reator do tipo CSTR (continuous stirred-tank reactor) partindo de

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22

Clinkinbeard, Nicholus Ryan. "Computational fluid dynamic modeling of acoustic liquid manipulation." [Ames, Iowa : Iowa State University], 2006.

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23

Mora, Acosta Josue. "Numerical algorithms for three dimensional computational fluid dynamic problems." Doctoral thesis, Universitat Politècnica de Catalunya, 2001. http://hdl.handle.net/10803/6685.

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The target of this work is to contribute to the enhancement of numerical methods for the simulation of complex thermal systems. Frequently, the factor that limits the accuracy of the simulations is the computing power: accurate simulations of complex devices require fine three-dimensional discretizations and the solution of large linear equation systems.<br/>Their efficient solution is one of the central aspects of this work. Low-cost parallel computers, for instance, PC clusters, are used to do so. The main bottle-neck of these computers is the notwork, that is too slow compared with their fl

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24

Coppel, Anna Louise. "A computational fluid dynamic investigation of rowing oar blades." Thesis, University of Birmingham, 2010. http://etheses.bham.ac.uk//id/eprint/793/.

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This thesis describes the application of computational fluid dynamics (CFD) to model the flow regime around rowing oar blades. The two phase flow that was present at the surface between the water and the air was also incorporated into the CFD model. Firstly, a quasi–static method was applied, whereby the blade was held at a discrete number of angles of attack to the oncoming flow. The performance of the model was assessed by applying it to four scaled oar blade designs and validating results against an experimental data set. The results were encouraging with lift and drag coefficients acting o

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25

Irshad, Wahid. "Wind resource assessment : statistical and computational fluid-dynamic analysis." Thesis, Edinburgh Napier University, 2012. http://researchrepository.napier.ac.uk/Output/5329.

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Wind is an important source of renewable energy and is widely available, despite the changing condition. In recent years a growing number of manufacturers have produced small wind turbines suitable for utilisation by individual householders or small businesses. These systems are designed to install in towns or cities. This raises the question about the potential of wind energy resource in build-up areas. This thesis sets to investigate the wind energy resource implication in the build-up areas by understanding the wind climatology of urban areas. As well as the overall mean wind speed, knowled

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26

Gao, Rui. "Computational Fluid Dynamic and Rotordynamic Study on the Labyrinth Seal." Diss., Virginia Tech, 2012. http://hdl.handle.net/10919/28134.

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The labyrinth seal is widely used in turbo machines to reduce leakage flow. The stability of the rotor is influenced by the labyrinth seal because of the driving forces generated in the seal. The working fluid usually has a circumferential velocity component before entering the seal; the ratio of circumferential velocity and shaft synchronous surface velocity is defined as pre-swirl rate. It has been observed that pre-swirl rate is an important factor affecting driving forces in the labyrinth seal thus affecting the stability of the rotor. Besides the pre-swirl, the eccentricity, the clearance

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27

Da, Ronch Andrea. "On the calculation of dynamic derivatives using computational fluid dynamics." Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/5513/.

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In this thesis, the exploitation of computational fluid dynamics (CFD) methods for the flight dynamics of manoeuvring aircraft is investigated. It is demonstrated that CFD can now be used in a reasonably routine fashion to generate stability and control databases. Different strategies to create CFD-derived simulation models across the flight envelope are explored, ranging from combined low-fidelity/high-fidelity methods to reduced-order modelling. For the representation of the unsteady aerodynamic loads, a model based on aerodynamic derivatives is considered. Static contributions are obtained

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28

Heminger, Michael Alan. "Dynamic Grid Motion in a High-Order Computational Aeroacoustic Solver." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1272550725.

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29

Rashid, Tariq Mahmood. "Computational modelling of dynamic wind effects relevant to compliant offshore structures." Thesis, University of Hertfordshire, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332219.

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30

Robinson, Craig David. "Particle simulations on parallel computers with dynamic load balancing." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.269198.

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31

Chambers, Steven B. "Investigation of combustive flows and dynamic meshing in computational fluid dynamics." Thesis, Texas A&M University, 2004. http://hdl.handle.net/1969.1/1324.

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Computational Fluid Dynamics (CFD) is a ﬁeld that is constantly advancing. Its advances in terms of capabilities are a result of new theories, faster computers, and new numerical methods. In this thesis, advances in the computational ﬂuid dynamic modeling of moving bodies and combustive ﬂows are investigated. Thus, the basic theory behind CFD is being extended to solve a new class of problems that are generally more complex. The ﬁrst chapter that investigates some of the results, chapter IV, discusses a technique developed to model unsteady aerodynamics with moving boundaries such as ﬂapping w

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32

Holmlund, Petter. "Computational fluid dynamic simulations of pulsatile flow in stenotic vessel models." Thesis, Umeå universitet, Institutionen för fysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-93007.

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33

Wilson, Paul. "Computational fluid dynamic investigation of blood flow through heart valve prostheses." Thesis, Nottingham Trent University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.360773.

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Janyalertadun, Adun. "Computational fluid dynamic modelling of an inlet in a cross-flow." Thesis, University of Hertfordshire, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323460.

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Hedges, Collin R. "Computational fluid dynamic model of steam ingestion into a transonic compressor." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Jun/09Jun%5FHedges.pdf.

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Thesis (M.S. in Mechanical Engiineering)--Naval Postgraduate School, June 2009.<br>Thesis Advisor(s): Gannon, Anthony J. "June 2009." Author(s) subject terms: Computational Fluid Dynamics, Transonic, Compressor, Steam Ingestion, Sanger Rotor. Description based on title screen as viewed on July 10, 2009. Includes bibliographical references (p. 61). Also available in print.

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Cortes, Capetillo Azael Jesus. "Computational fluid dynamic modeling of in-duct UV air sterilisation systems." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/9591/.

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In-duct UVC air sterilisation is a technology that can help in the reduction and control of airborne diseases. Nevertheless, improvements in sterilisation performance efficiency are required for the technology to succeed in an increasingly restricted energy society. Computational fluid Dynamics (CFD) was used to systematically improve the performance of in-duct UVC air sterilisation systems. The Discrete Ordinates method (DO) was used to model lamp irradiation, and a user defined function (UDF) to model the injection of microorganisms inside the duct to then calculate the average UV dose of th

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Surendran, Mahesh. "Computational Fluid Dynamic Modeling of Natural Convection in Vertically Heated Rods." DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/5168.

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Natural convection is a phenomenon that occurs in a wide range of applications such as cooling towers, air conditioners, and power plants. Natural convection may be used in decay heat removal systems such as spent fuel casks, where the higher reliability inherent of natural convection is more desirable than forced convection. Passive systems, such as natural convection, may provide better safety, and hence have received much attention recently. Cooling of spent fuel rods is conventionally done using water as the coolant. However, it involves contaminating the water with radiation from the fuel

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Ang, Keng Cheng. "A computational fluid dynamic study of blood flow through stenosed arteries /." Title page, table of contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09pha5808.pdf.

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Molale, Dimpho Millicent. "A computational evaluation of flow through porous media." Thesis, Link to the online version, 2007. http://hdl.handle.net/10019/686.

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Watanawanavet, Somsak. "Optimization of a high-efficiency jet ejector by computational fluid dynamic software." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2432.

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Research was performed to optimize high-efficiency jet ejector geometry (Holtzapple, 2001) by varying nozzle diameter ratios from 0.03 to 0.21, and motive velocities from Mach 0.39 to 1.97. The high-efficiency jet ejector was simulated by Fluent Computational Fluid Dynamics (CFD) software. A conventional finite-volume scheme was utilized to solve two-dimensional transport equations with the standard k-?? turbulence model (Kim et. al., 1999). In this study of a constant-area jet ejector, all parameters were expressed in dimensionless terms. The objective of this study was to investigate the opt

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Bangalore, Ashok K. "Computational fluid dynamic studies of high lift rotor systems using distributed computing." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/12949.

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Bryan, Grant T. "EXPERIMENTAL AND COMPUTATIONAL FLUID DYNAMIC ANALYSIS OF AXIAL-FLOW HYDRODYNAMIC POWER TURBINE." Monterey, California. Naval Postgraduate School, 2013. http://hdl.handle.net/10945/32801.

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Thorough analysis of drag and power characteristics of hydrodynamic power turbines is necessary for the efficient extraction of energy available at sea. In an effort to obtain these characteristics for a three-bladed, axial-flow hydroturbine, used to provide electric power on small sailing vessels, a load cell and voltage measuring system was installed on a carriage in a towing tank for analysis across a speed range of 0.5 to 1.8 m/s. A high-speed camera was used to determine the precise carriage speed and the rotational speed of the turbine rotor. For validation of concept, two thin flat plat

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Das, Sudhakar. "Computational fluid dynamic modelling of flow and combustion in spark ignition engines." Thesis, Loughborough University, 1996. https://dspace.lboro.ac.uk/2134/7327.

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The present work is based on the need for understanding the in-cylinder flow and its subsequent effects on combustion in a valved-two-stroke spark ignition engine with fuel injection using Computational Fluid Dynamics (CFD) and experimental techniques. In this context, the CFD code KIVA-II has been modified to model the two-stroke engine gas exchange and combustion processes. A 3-D Cartesian grid generation program for complex engine geometry has been added to the KIVA code which has been modified to include intake and exhaust flow processes with valves. New and improved sub models for wall je

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Terzi, Antonia. "A combination of computational fluid dynamic methods for formula-1 aerodynamic analysis." Thesis, University of Exeter, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286545.

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DOMALAPALLY, PHANI KUMAR. "Computational Thermal Fluid Dynamic Analysis of Cooling Systems for Fusion Reactor Components." Doctoral thesis, Politecnico di Torino, 2013. http://hdl.handle.net/11583/2514474.

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In a fusion reactor during plasma operation, the heat loads on plasma facing components can be as high as 5 MW/m2 [1], which should be removed by a proper mechanism to prevent the damage of reactor components. In order to handle such high heat fluxes a suitable heat sink with proper thermal hydraulics is required. In the recent past several heat sinks have been proposed; among which the Hypervapotron heat sink, operating in the highly subcooled boiling regime, is considered as one of the potential candidates. In order to accurately predict the performance of the system, a thermal hydraulic ana

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Fidler, Tomáš. "Zatížení střechy vzdušným proudem vrtulníku při montážních pracích." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226473.

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Diploma thesis is focused on modeling rotor downwash generated by the main rotor of helicopter and analyzing its effects on the roof structure. Theoretical definition of rotor downwash flow is described in the first part of the text. Governing equations of computational fluid dynamics are briefly explained as well as boundary layer and finite volume method. Next part inquires into numerical simulation of rotor downwash based on height of rotor above the roof, shape of roof plane and climatic conditions. Results are compared with climatic load values provided by actual Czech construction standa

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CARDILLO, GIULIA. "Fluid Dynamic Modeling of Biological Fluids: From the Cerebrospinal Fluid to Blood Thrombosis." Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2845786.

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Jybrink, Anton. "Dynamic CFD Modelling of Deploying Fins During Transitional Ballistic." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-70758.

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The transition from inner to outer ballistics is a crucial part for the stability of the projectile. A projectile is mainly stabilized in two ways, with fins or by rotation. This work is limited to analyze a fin stabilized projectile. The launch of the projectile and the deployment of the fins are a quick process, therefore high forces and high temperatures will act the stability of the projectile. Due to these factors, it is hard to quantify experiments to analyze the stability of the projectile. To gain knowledge about how the forces will affect the path of the projectile during the launch a

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Longo, Riccardo. "Advanced turbulence models for the simulation of air pollutants dispersion in urban area." Doctoral thesis, Universite Libre de Bruxelles, 2020. https://dipot.ulb.ac.be/dspace/bitstream/2013/312254/3/thesis.pdf.

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NOWADAYS, a number of studies keep on demonstrating the existence of a strong relation between high concentrations of particulate matter (PM) and the prevalence of human morbidity and mortality. Large particles can be filtered in the nose or in the throat, while fine particles (about10 micrometer) can settle in the bronchi and lungs, leading to more serious consequences. According to Karagulian et al. the major sources of urban air pollution are traffic (25%), combustion and agriculture (22%), domestic fuel burning (20%), natural dust (18%) and industrial activities (15%).As a consequence, the

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Franchetta, Matteo. "Experimental and transient computational fluid dynamic analysis of vehicle underhood in heat soak." Thesis, University College London (University of London), 2006. http://discovery.ucl.ac.uk/1444411/.

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Simulation-based analyses of underhood compartments are proving to be crucially important in a vehicle development program, reducing test work and time-to-market. While Computational Fluid Dynamics (CFD) simulations of steady forced flows have demonstrated reliable, studies of transient natural convective flows in engine compartments under thermal soak are not yet carried out due the high computing demands and lack of validated work. The present work assesses the practical feasibility of applying the CFD tool at the initial stage of a vehicle development programme for investigating the thermal

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