Dissertations / Theses on the topic 'Single fluid flow'
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McPhail, Stephen John. "Single-phase fluid flow and heat transfer in microtubes." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-36182.
Full textBolour-Froushan, Abol Hassan. "Prediction of single-phase turbulent flow in agitated mixing vessels." Thesis, Imperial College London, 1986. http://hdl.handle.net/10044/1/37946.
Full textBarbosa, Jader Riso. "Phase change of single component fluids and mixtures in annular flow." Thesis, Imperial College London, 2001. http://hdl.handle.net/10044/1/11558.
Full textHosseinian, Armin. "Numerical simulations of fluid flow through a single rough walled fracture." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/1764.
Full textAlfred, Dicman. "Modeling fluid flow through single fracture using experimental, stochastic, and simulation approaches." Texas A&M University, 2003. http://hdl.handle.net/1969.1/324.
Full textPark, Jinyong. "Experimental and Numerical Investigations of Fluid Flow for Natural Single Rock Fractures." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1385%5F1%5Fm.pdf&type=application/pdf.
Full textStarnoni, Michele. "Modelling single and two-phase flow on micro-CT images of rock samples." Thesis, University of Aberdeen, 2017. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=232293.
Full textHellum, Aren. "Intermittency and the viscous superlayer in a single stream shear layer." Diss., Connect to online resource - MSU authorized users, 2006.
Find full textSteinke, Mark E. "Single-phase liquid flow and heat transfer in plain and enhanced silicon microchannels /." Link to online version, 2005. http://hdl.handle.net/1850/999.
Full textDhaubhadel, Manoranjan N. "Experimental and finite-element investigation of flow past single and multiple cylinders." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/50006.
Full textPh. D.
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Nadim, Nima. "Fluid and thermal behaviour of multi-phase flow through curved ducts." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/794.
Full textDavis, Staci Ann. "The manipulation of large- and small-scale flow structures in single and coaxial jets using synthetic jet actuators." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/17313.
Full textSundararaj, Vivekanandhan. "Computational fluid dynamic analysis of unsteady compressible flow through a single cylinder internal combustion engine /." Available to subscribers only, 2006. http://proquest.umi.com/pqdweb?did=1240704871&sid=3&Fmt=2&clientId=1509&RQT=309&VName=PQD.
Full text"Department of Mechanical Engineering and Energy Processes." Includes bibliographical references (leaves 171-174). Also available online.
Hattingh, Shane Kenneth Francis. "The simulation of single phase, compressible fluid flow in fractured petroleum reservoirs using finite elements." Doctoral thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/4888.
Full textBibliography: leaves 181-193.
In this thesis, commonly used equations governing the flow of fluids are reviewed, from first principles where appropriate. The assumptions that are made in the process are critically assessed and their limitations are discussed. The equations deal with flow through a porous and permeable medium, a single fracture, a network of fractures, and with the coupling of the fracture network and blocks of matrix material.
Koyama, Tomofumi. "Numerical modelling of fluid flow and particle transport in rough rock fracture during shear." Licentiate thesis, Stockholm : Mark och vatten, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-512.
Full textEverts, Marilize. "Single-phase mixed convection of developing and fully developed flow in smooth horizontal tubes in the laminar, transitional, quasi-turbulent and turbulent flow regimes." Thesis, University of Pretoria, 2017. http://hdl.handle.net/2263/64045.
Full textThesis (PhD)--University of Pretoria, 2017.
NRF
TESP
Stellenbosch University/University of Pretoria
SANERI/SANEDI
CSIR
EEDSM Hub
NAC
Mechanical and Aeronautical Engineering
PhD
Unrestricted
Bapat, Akhilesh V. "Experimental and numerical evaluation of single phase adiabatic flows in plain and enhanced microchannels /." Online version of thesis, 2007. http://hdl.handle.net/1850/5536.
Full textCelik, Sitki Berat. "Analysis Of Single Phase Fluid Flow And Heat Transfer In Slip Flow Regime By Parallel Implementation Of Lattice Boltzmann Method On Gpus." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614943/index.pdf.
Full textClaretti, Roberto. "Heat and fluid flow characterization of a single-hole-per-row impingement channel at multiple impingement heights." Master's thesis, University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5920.
Full textM.S.M.E.
Masters
Mechanical and Aerospace Engineering
Engineering and Computer Science
Mechanical Engineering; Thermo-Fluids
Sundareswaran, Kartik Sivaram. "Characterizing single ventricle hemodynamics using phase contrast magnetic resonance imaging." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/31748.
Full textCommittee Chair: Yoganathan, Ajit; Committee Member: Fogel, Mark; Committee Member: Kanter, Kirk; Committee Member: Oshinski, John; Committee Member: Skrinjar, Oskar. Part of the SMARTech Electronic Thesis and Dissertation Collection.
Roberts, Peter John. "Numerical modelling of single and two phase fluid flow and energy transport in rigid and deforming porous media." Thesis, Swansea University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.644360.
Full textBalakrishnan, Mahalingam III. "The Role of Turbulence on the Entrainment of a Single Sphere and the Effects of Roughness on Fluid-Solid Interaction." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30732.
Full textPh. D.
Rattner, Alexander S. "Single-pressure absorption refrigeration systems for low-source-temperature applications." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/53912.
Full textChalfi, Toufik Yacine. "Pressure loss associated with flow area change in micro-channels." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/24725.
Full textAtes, Ahmet Muaz. "Experimental Comparison Of Fluid And Thermal Characteristics Of Microchannel And Metal Foam Heat Sinks." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613577/index.pdf.
Full textm, 420 µ
m, 500 µ
m and 900 µ
m were produced. Also, 92% porous 10, 20 and 40 ppi 6101-T6 open cell aluminum metal foams with compression factors 1,2, and 3 that have the same finned volume of microchannels with exactly same dimensions were used to manufacture heat sinks with method of vacuum brazing. They all have tested under same conditions with volumetric flow rate ranging from 0,167 l/min to 1,33 l/min and 60 W of heat power. Channel height was 4 mm for all heat sinks and distilled water used as cooling fluid. After experiments, pressure drops and thermal resistances were compared with tabulated and graphical forms. Also, the use of metal foam and microchannel heat sinks were highlighted with their advantages and disadvantages for future projects.
Niehus, Mark T. "An Experimental Study of Temperature Sensor Noise Analysis in Evaluating the Velocity of Single-Phase Air and Water Flows." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1213385038.
Full textObuseh, Chukwuyem Charles. "Quasi-Three Dimensional Experiments on Liquid-Solid Fluidized Bed of Three Different Particles in Two Different Distributors." Thesis, University of North Texas, 2009. https://digital.library.unt.edu/ark:/67531/metadc12173/.
Full textWickizer, Gabriel Benjamin. "Experimental System Effects on Interfacial Shape and Included Volume in Bubble Growth Studies." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337716075.
Full textBlume, Martin [Verfasser]. "3D Flow Simulation for the Investigation of Cavitation and Its Relationship To Erosion, Turbulence and Primary Breakup in Hydraulic Components by Single-Fluid Multi-Phase Methods / Martin Blume." Düren : Shaker, 2021. http://d-nb.info/1238497381/34.
Full textSuara, Kabir Adewale. "Development and use of GPS-based technology to study dispersion in shallow water." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/102841/1/Kabir%20Adewale_Suara_Thesis.pdf.
Full textBlanch, Ojea Roland. "Numerical and experimental analyses of single and two-phase microfluidic flows with implications in microreactors." Doctoral thesis, Universitat Rovira i Virgili, 2011. http://hdl.handle.net/10803/63824.
Full textThe present thesis focuses on microfluidics, a relatively recent field of Fluid Mechanics with promising expectations and with an intense scientific interest on its different areas. In this regard, the thesis aims to provide two main scientific contributions. First, it presents an in-house numerical tool to carry out simulations of reactive flows within microchannels. The tool is successfully applied to the identification of the main transport phenomena involved on the partial oxidation of methane to produce synthesis gas, and to the analysis of the effect of several operating parameters on this reactive process. Second, it extends the knowledge on multiphase flows in microfluidic T-junctions with an experimental study of two-phase flows of mixtures of potentially miscible fluids, in supercritical conditions and in vapour-liquid equilibrium. In this study it is also reported an unexpected phenomenon, which brings new challenges to the application of these kind of multiphase flows.
Moncalvo, Davide [Verfasser]. "The influence of fluid properties on single and two-phase two-component flows in safety valves / Davide Moncalvo." Aachen : Shaker, 2010. http://d-nb.info/109804035X/34.
Full textWang, Yuan. "Liquid-vapour phase change and multiphase flow heat transfer in single micro-channels using pure liquids and nano-fluids." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/5752.
Full textMorente, Antoine. "Développement d'une méthode de pénalisation pour la simulation d'écoulements liquide-bulles." Phd thesis, Toulouse, INPT, 2017. http://oatao.univ-toulouse.fr/19922/1/MORENTE_Antoine.pdf.
Full textFernandes, Hipolito Ana Isabel. "Étude des phénomènes de transport dans un réacteur catalytique pilote de type filaire." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10285/document.
Full textSmall size fixed-bed reactors are a common choice for testing industrial supported catalyst under industrial operating conditions. The most common criterion for reactor’s scale-down is based on the conservation of the liquid hourly space velocity which leads to a very low fluid flow velocity at the laboratory scale. Under these conditions, the external mass transfer flux can become the limiting step of the process. In this context, a new reactor geometry was proposed to intensify mass and heat transfers and to increase fluid flow velocities: the single pellet string reactor. This reactor is composed of a tube with an internal diameter close to that of the catalyst particles and with a high length over diameter ratio. The main goal of this thesis is to characterise the hydrodynamic and external mass transfer performances of this new reactor in order to define its application domain. In two-phase gas-liquid flow, the reactor flow is plug flow and the liquid hold-up values are high, which insures a complete wetting of the catalyst particles. The mass transfer coefficients were quantified and the measured rates are much higher than those observed in conventional pilot fixed-bed reactors, which can be explained by the increased local liquid velocities and by the modified Taylor flow regime. Catalytic tests with a very fast model reaction revealed that the external mass transfer performances of the single pellet string reactor are close to those measured in a stirred tank reactor equipped with a catalytic basket. In conclusion, the single pellet string reactor represents a new and efficient alternative to fixed-bed pilot reactors to study shaped catalysts
Chien, Kuo-Shun, and 簡國順. "Anisotropy of Fluid Flow Through a Single Rock Joint." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/16481525873732656157.
Full text國立中央大學
土木工程學系
85
Fluid flow through a single rock joint has often been modeled as flow between two parallel plates where the volume flow rate varies as cube of the joint aperture. Recently, synthetic rough surfaces are generated by using a fractal model of surface topography to simulate real joint surfaces that contact each other at discrete points. Then pairs of these surfaces are placed together to form a joint with a random aperture distribution for modeling the flow through rock joints. The seepage flow through the joint is calculated by a finite element computer program. The statistical covariance function demonstrates that the rough surfaces of fractal model display the characteristics of homogeneity and isotropy. Nevertheless, the flow simulations show that the behavior of anisotropy rises with the decrement of mechanical aperture. Since in small aperture the effect of surface roughness controls the distribution of contact area that dominates the stream of the flow path, so flow varies with different directions. Rose-diagrams of flow rate are presented to show the anisotropic flow behavior caused by the variation of aperture. The minimum porous section in the flow path is key factor that blocks the flow across the section.
McPhail, Stephen John [Verfasser]. "Single phase fluid flow and heat transfer in microtubes / vorgelegt von Stephen John McPhail." 2009. http://d-nb.info/992577039/34.
Full textDeawwanich, Thana. "Flow and displacement of viscoplastic fluids in eccentric annuli." Thesis, 2013. http://hdl.handle.net/2440/81607.
Full textThesis(Ph.D.)--University of Adelaide, School of Chemical Engineering, 2013.
Kim, Byong-Joo. "Heat transfer and fluid flow aspects of a small-scale single droplet fuel-coolant interaction." 1985. http://catalog.hathitrust.org/api/volumes/oclc/13201274.html.
Full textTypescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 224-231).
He, Xiaoliang. "CFD simulation of single-phase and flow boiling in confined jet impingement with in-situ vapor extraction using two kinds of multiphase models." Thesis, 2013. http://hdl.handle.net/1957/36138.
Full textGraduation date: 2013
Duggal, Rajat. "Interplay of micro-scale flow and fluid micro/nanostructure: Solutions of DNA and suspensions of single walled carbon nanotubes." Thesis, 2006. http://hdl.handle.net/1911/18895.
Full textSinghal, Atul. "Single Cavity Trapped Vortex Combustor Dynamics : Experiments & Simulations." Thesis, 2009. http://hdl.handle.net/2005/1123.
Full textTaher, Dang Koo Reza. "Numerical modelling of single- and multi-phase flow and transport processes in porous media for assessing hydraulic fracturing impacts on groundwater resources." Thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-13B9-5.
Full textHoque, Mohammad Mainul. "Chacterisation of single and binary phase turbulence in an oscillating grid system." Thesis, 2017. http://hdl.handle.net/1959.13/1335955.
Full textThe characteristics of single- and binary-phase turbulence in an oscillating grid system were investigated experimentally by using time-resolved, non-intrusive particle image velocimetry (PIV) technique. Experiments were conducted in three different fields of view (FoV) namely: 10 mm × 10 mm, 30 mm × 30 mm and 60 mm × 60 mm in the center of the tank for grid oscillation frequency 0 to 5 Hz. The grid Reynolds number (Reg) and Taylor Reynolds number (Reλ) ranges were 1080–10800 and 12–60, respectively. Specifically, the focus was on: (i) characterisation of single-phase homogeneous isotropic flow based on specific energy dissipation rate; (ii) modulation of turbulence due to particle-fluid and bubble-fluid interaction; and (iii) quantification of scaling properties of pressure spectrum for single- and binary-phase flow. In order to understand the homogeneous and isotropic turbulence inside the oscillating grid system turbulent length scales, isotropy ratio (IR = vrms/urms), specific energy dissipation rate, and energy spectra were determined from the measured experimental fluctuating velocity field for different grid Reynolds numbers. Fluctuating velocity was found to increase linearly with increasing Reg which was in agreement with the previous reported results. It was found that the turbulence length scale decreased with increase in grid oscillation frequency. The isotropy ratio ranged from 0.77-0.85 which indicated the presence of isotropic homogeneous turbulence in the system. The energy dissipation rate of single-phase flow was determined using the following methodologies: (i) dimensional analysis; (ii) velocity gradient; (iii) structure function; and (iv) energy spectrum. In general, the specific energy dissipation rate increased with increase in grid oscillation frequency. It was found that the specific energy dissipation rates were different for each of the four methodologies. Whilst the analysis identified uncertainties in all four approaches, it was concluded that the energy spectrum methodology was likely to be most reliable since it was able to satisfy the energy balance of the system—this was not possible for other three methods. Moreover, the energy spectra exhibited a slope close to Kolmogorov’s -5/3 in the inertial subrange. White noise was observed in the dissipation range, which was able to be removed by an exponential filter. The modulation of homogeneous and isotropic turbulence was experimentally investigated in the presence of a single stationary particle. The particle diameter varied in the range of 1 to 8 mm (~ 10 to 77 times larger than the flow Kolmogorov length scale). It was found that the fluid-only fluctuating velocity increased by up to 2-25 percent depending upon the particle diameter. The isotropy ratio of the fluid-only phase also increased with the size of the particle; but was much less influenced by the Reynolds number of the grid, Reg. The energy dissipation rate of the fluid-only phase increased with increase in particle size; and followed a power law trend with grid Reynolds number. Longitudinal and transverse integral length scales were determined using the autocorrelation function for both fluid-only and particle-fluid case. The fluid-only phase integral length scales followed a power law dependency with Reg, and decreased when a particle was present. Both longitudinal and transverse energy spectrums in the inertial subrange exhibited a slope less steep than the -5/3 predicted by Kolmogorov when a particle was present. It is thought that the particle presence resulted in the production of turbulence in the inertial region, leading to an energy enhancement in that part of the spectrum. Finally, turbulence intensity was determined as a function of the particle-diameter-to-integral-length-scale ratio, dp/Lx; and it was found that below dp/Lx = 0.41 the turbulence intensity was attenuated, and above this dp/Lx value the turbulence intensity was enhanced. As per the particle-fluid experiments, modulation of homogeneous and isotropic turbulence was also studied due to bubble-fluid interaction. The bubble equivalent spherical diameter was varied in the range 2.7-3.52 mm, that corresponded to approximately 26-34 times larger than the Kolmogorov length scale. In the presence of a bubble, the single-phase fluctuating velocity along the transverse direction was found to be significantly enhanced when compared to that in the longitudinal direction. The presence of the bubble also influenced the isotropy of the fluid flow field; whereby at low grid Reynolds number the isotropy ratio increased with increase in the bubble equivalent spherical diameter, whilst at high Reg the isotropy ratio showed no significant bubble equivalent spherical diameter dependence. The specific energy dissipation rate was found to be influenced by the shape of the bubble, and followed a (positive exponent) power law dependence with the bubble equivalent spherical diameter. Conversely, the integral length scale of the single-phase decreased with increase in the bubble equivalent spherical diameter. It also followed that the spectral slope was less steep than -5/3 in the inertial subrange—corresponding to an enhancement of energy—for both longitudinal and transverse energy spectra. Any effect of bubble size on the energy spectrum in the dissipative region could not be conclusively demonstrated due to the presence of white noise. Finally, the pressure spectrum for both single- and binary-phase flows was obtained by taking the fast Fourier transformation (FFT) of the instantaneous pressure field which was computed from the measured, instantaneous 2D velocity field. It was found that in the inertial subrange the pressure spectra exhibited a -7/3 slope for single-phase flow, whilst that for the binary-phase flow exhibited a less steep slope. The pressure-based integral length scale as well as the Taylor microscale were estimated from autocorrelation function and pressure spectrum, respectively. For single-phase flow, at low grid Reynolds number, the pressure-integral-length-scale-to-velocity-integral-length-scale ratio was found to be constant at around 0.67; whilst the pressure Taylor microscale was approximately 79 percent of the velocity Taylor microscale. Both of these values were consistent with theoretical predictions and published direct numerical simulation results. Finally, a methodology has been proposed whereby the specific energy dissipation rate can be computed from the pressure spectrum. It was found that the values obtained from this approach were approximately 25 percent higher than those calculated directly from velocity spectrum.
Shankar, Kumar B. "A Study Of A Vortex Particle Method For Vortex Breakdown Phenomena." Thesis, 2008. http://hdl.handle.net/2005/729.
Full textOwens, Scott Allen 1982. "Advanced analysis of structured packing via computational fluid dynamics simulation." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2410.
Full texttext
Yelisetti, Subbarao. "Seismic structure, gas hydrate, and slumping studies on the Northern Cascadia margin using multiple migration and full waveform inversion of OBS and MCS data." Thesis, 2014. http://hdl.handle.net/1828/5719.
Full textGraduate
0373
0372
0605
subbarao@uvic.ca