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Dissertations / Theses on the topic 'Fluid flow'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Marshall, G. S. "Muiticomponent fluid flow computation." Thesis, Teesside University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384659.

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2

Paleo, Cageao Paloma. "Fluid-particle interaction in geophysical flows : debris flow." Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/27808/.

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Small scale laboratory experiments were conducted to study the dynamic mor- phology and rheological behaviour of fluid-particle mixtures, such as snout-body architecture, levee formation, deposition and particle segregation effects. Debris flows consist of an agitated mixture of rock and sediment saturated with water. They are mobilized under the influence of gravity from hill slopes and channels and can reach long run-out distance and have extremely destructive power. Better understanding of the mechanisms that govern these flows is required to assess and mitigate the hazard of debris flows a

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3

Oswell, J. E. "Fluid loading with mean flow." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239158.

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4

Padley, Robert William. "Fluid flow past rotating bodies." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396927.

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5

Cooper, Laura. "Investigations of lymphatic fluid flow." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/393578/.

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The lymphatic system returns fluid to the blood stream from the tissues to maintain tissue fluid homeostasis. The collecting lymphatic vessels actively pump fluid against a body scale pressure gradient, i.e., from tissue interstitial space to the venous side of the blood circulatory system. The collecting lymphatic vessels pass the lymphatic fluid to lymph nodes that filter the lymph before it is returned to the circulatory system. This thesis presents work undertaken to create a fluid structure interaction model of a lymph node with afferent and efferent lymphatic vessels. The model is built

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6

Barker, Shaun, and sbarker@eos ubc ca. "Dynamics of fluid flow and fluid chemistry during crustal shortening." The Australian National University. Research School of Earth Sciences, 2007. http://thesis.anu.edu.au./public/adt-ANU20090711.074630.

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In this thesis, an integrated structural and chemical approach has been used to investigate the spatial and temporal evolution of fluid chemistry, and fluid flow pathways, during crustal shortening. The Taemas Vein Swarm is hosted in a limestone-shale sequence, the Murrumbidgee Group, in the Eastern Belt of the Lachlan Orogen, in New South Wales, Australia. The Taemas Vein Swarm (TVS) is composed of calcite ± quartz veins, hosted in a series of faults and fractures, which extends over an area of approximately 20 km2. The Murrumbidgee Group is composed of several formations, comprising massive

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7

Yan, Baoshe. "Fluid flow induced by oscillating bodies and flows in cyclones." Thesis, University of Leeds, 1991. http://etheses.whiterose.ac.uk/435/.

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In this thesis the following aspects have been investigated: (i) the numerical solutions for unsteady 2-dimensional, incompressible viscous fluid flows induced by a harmonically oscillating cascade, and (ii) the fluid flows in industrial cyclones and their separation efficiencies. In the first part of the thesis we deal with fluid flows induced by harmonically oscillating cascades of cylinders with different cross sectional shapes. Numerical solutions for large amplitude oscillations of a cascade of normal flat plates are obtained by using a finite-difference method and it is found that soluti

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8

Kalb, Virginia L. "Low-dimensional models for fluid flow." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1846.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Mathematics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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9

Shook, Andrew A. "Fluid flow in horizontal injection regimes." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26738.

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Physical and mathematical modelling studies have been performed to investigate liquid flow driven by a horizontally injected gas. The experimental work consisted of water velocity measurements made at 100 locations within a plexiglass tank. Air was introduced into the tank through a series of side-mounted tuyeres, and the effect of air flowrate on water recirculation velocity was observed. The results of the experiments indicate that the maximum water velocity occurs at the water surface. The effect of bubbles coalescing from adjacent tuyeres was observed with increasing air flowrate, and was

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10

Pettersson, Patrik. "Fluid flow in wood fiber network." Licentiate thesis, Luleå tekniska universitet, Strömningslära och experimentell mekanik, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26639.

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Cellulose material is processed to pulp suspensions and MDF boards in order to produce products such as papers, magazines, laminate floors or door skins. A critical stage of these processes is when the cellulose fiber networks are compressed to specific densities and when most of the fluid originally positioned between and inside the fibers is forced to leave the network. The fiber network is then exposed to a drag force generated by the flow. The magnitude of this force is dependent upon how easy the fluid can flow through the network, which is commonly described by its permeability. In addit

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11

Pettersson, Patrik. "Fluid flow in wood fiber networks /." Luleå : Luleå University of Technology, 2006. http://epubl.ltu.se/1402-1757/2006/34/index.html.

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12

Yarlagadda, Annapurna Prasad. "Fluid flow in model capillary structures." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/26309.

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13

Davidson, Jonathan. "Dynamics of semi-discretised fluid flow." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364471.

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14

Hinz, Denis. "Sources of complexity in fluid flow." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123281.

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In the first part of this thesis, one-point and two-point statistics of the Navier–Stokes-alpha-beta (NS-alpha-beta) regularization model in homogeneous isotropic turbulence are explored. The results are compared to the limit cases of the Navier–Stokes-alpha (NS-alpha) model and the NS-alpha-beta model without subgrid-scale (SGS) stress, as well as with high-resolution direct numerical simulation (DNS). After reviewing spectra of different energy norms, probability density functions (PDFs) of the filtered and unfiltered velocity increments along with longitudinal velocity structure functions o

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15

Roberts, William. "Techniques for modelling incompressible fluid flow." Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/12857.

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The work presented in this thesis can be divided into two main parts: a study of Cellular Automaton (CA) models of incompressible fluid flow and work on the use of Renormalisation Group (RG) methods to derive an effective viscosity for use in subgrid modelling in Large Eddy Simulation of incompressible turbulence. The derivation of hydrodynamic equations for the behaviour of CA models is reviewed in the context of classical statistical mechanics. In computer simulations of such models, velocity and density values are found by calculating averages of appropriate microscopic quantities: the effe

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16

Dao, Xuan Quy. "Fluid flow control by visual servoing." Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S053/document.

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Cette thèse a pour but l'étude de la mise en œuvre de commandes par asservissement visuel pour le contrôle actif d'un écoulement de Poiseuille. D'un point de vue général, le contrôle d'écoulements vise à modifier ou à maintenir l'état de l'écoulement, malgré une éventuelle perturbation extérieure. Une des situations d'intérêt concerne par exemple la transition vers la turbulence où l'écoulement peut devenir turbulent avec la croissance de sa densité d'énergie cinétique. La réduction de la traînée est également une application potentielle dans des problèmes d'ingénierie. Un des buts applicatifs

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17

Kelly, Jason. "Fluid flow through low permeability successions : the application of fluid inclusions." Thesis, University of Aberdeen, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401364.

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18

Liu, Li. "Computational fluid dynamics modelling of complex fluid flow in stirred vessels." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4753/.

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Fluid mixing in stirred vessels is widely encountered in a number of industries. In this work, different experimental techniques and the CFD modelling approach are used to measure the mixing of a wide range of fluids in stirred vessels. As the detailed validation is essential for CFD modelling, CFD predictions are compared in detail with different experimental measurements. The capability of CFD modelling of the 3D spatial distribution of velocity and solid concentration within opaque concentrated solid-liquid suspensions with the mean solid concentration up to 40 wt% is assessed by comparing

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19

Khahledi, Morakane Charlotte. "Non-Newtonian fluid flow measurement using sharp crested notches." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/1038.

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Master of Technology: Civil Engineering In the Faculty of Engineering At the Cape Peninsula University of Technology 2014<br>Notches, particularly rectangular and V shaped are the cheapest and most common devices used to measure the flow rate of water in open channels. However, they have not been used to measure the flow rate of non-Newtonian fluids. These viscous fluids behave differently from water. It is difficult to predict the flow rate of such fluids during transportation in open channels due to their complex viscous properties. The aim of this work was to explore the possibility of e

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20

Hossain, Mosaraf. "Dusty fluid flows and unsteady free convective flow and mass transfer." Thesis, University of North Bengal, 2004. http://hdl.handle.net/123456789/645.

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21

Da, Silvera e. Lorena Manuel Luis Magalhaes de Lima. "Meandering compound flow." Thesis, University of Glasgow, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247866.

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22

Cai, Mingchao. "Modeling and numerical simulation for the coupling of surface flow with subsurface flow /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?MATH%202008%20CAI.

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23

Harries, Alun M. "Investigating viscous fluid flow in an internal mixer using computational fluid dynamics." Thesis, Aston University, 2000. http://publications.aston.ac.uk/13261/.

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This thesis presents an effective methodology for the generation of a simulation which can be used to increase the understanding of viscous fluid processing equipment and aid in their development, design and optimisation. The Hampden RAPRA Torque Rheometer internal batch twin rotor mixer has been simulated with a view to establishing model accuracies, limitations, practicalities and uses. As this research progressed, via the analyses several 'snap-shot' analysis of several rotor configurations using the commercial code Polyflow, it was evident that the model was of some worth and its predictio

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24

Jiao, Li-Fang. "A STUDY ON MICROBUBBLE FLOW BEHAVIORS IN SURFACTANT VISCOELASTIC FLUID FLOW." 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/174931.

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25

Crittenden, Thomas M. "Fluid actuators for high speed flow control." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/7742.

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In order to extend fluid-based flow control techniques that have been demonstrated at low subsonic speeds to high speed flows, it is necessary to develop actuators having sufficient momentum to control and manipulate high speed flows. Two fluidic actuation approaches are developed where the control jet may reach supersonic velocities and their performance is characterized. The first actuator is a compressible synthetic (zero net mass flux) jet. This is an extension of previous work on synthetic jets with an increase in driver power yielding substantial pressurization of the cavity such that th

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26

Han, Gang. "Rock Stability under Different Fluid Flow Conditions." Thesis, University of Waterloo, 2003. http://hdl.handle.net/10012/827.

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It is widely known in oil industry that changes in fluid flow conditions such as water breakthrough or unsteady flow due to well shut-in can lead to sand destabilization, with a possible consequent sand production. In this research, different flow situations are incorporated into stress and stability analysis for the region around a wellbore producing oil from weak or unconsolidated sands, and the analyses involve strength weakening, stress redistribution, and decrease of rock stiffness. Two main mechanisms, chemical reactions of rock with formation water and variations of rock capill

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27

Polpitiye, Sisira J. "Unsteady fluid flow around certain bluff bodies." Thesis, University of Leicester, 1986. http://hdl.handle.net/2381/34813.

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It is shown in this thesis that fluid dynamic forces on unsteadily moving bluff bodies depend on the history of motion as much as on the velocity and acceleration of motion. An empirical relationship between the motion of the body and the resulting force is obtained by analysing the effect of the history of motion on the fluid dynamic force at any instant. The fluid dynamic force, velocity and acceleration are obtained as functions of time, by oscillating test models in water while they are being towed at constant speed. The test models used are: 1. a two-dimensional circular cylinder, 2. a re

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28

Alyaser, Abdelmonem H. "Fluid flow and combustion in rotary kilns." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0013/NQ34505.pdf.

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29

Mala, Gh Mohiuddin. "Heat transfer and fluid flow in microchannels." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0005/NQ39562.pdf.

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30

Burge, Wayne. "Marangoni Instabilities in Two-Layer Fluid Flow." Thesis, University of East Anglia, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518388.

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31

Hayward, L. R. "Computer modelling of fluid flow and solidification." Thesis, Swansea University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637252.

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Mould filling is an important part of the casting process and cannot be neglected if an accurate analysis of casting solidification is desired. A numerical technique has been developed to model heat transfer and solidification of metal during and after the filling of a mould. The simulation incorporates a macroscopic fluid flow and heat transfer analysis from the initial stages of filling until filling is completed. Solidification is accounted for as is the temperature dependence of the fluid velocity as solid forms at the mould walls. The computing technique is based on the SOLA-VOF finite di

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32

Dickson, P. C. "Modelling fluid flow in seafloor hydrothermal systems." Thesis, University of Cambridge, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.598538.

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A series of theoretical models are developed in order to constrain the fundamental underlying controls on low-temperature hydrothermal circulation in seafloor venting systems. In terms of discharge, results of these models predict that (i) some diffuse flow will always exit permeable sulphide mounds or oceanic crust in the vicinity of black smoker vents, (ii) diffuse flow may also occur in the absence of seafloor black smoker venting and (iii) anticorrelated variations in diffuse flow temperature and vertical velocity previously recorded at a sulphide mound on the Juan de Fuca Ridge may have b

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33

Kardos, T. N. "Modelling Smoke Flow Using Computational Fluid Dynamics." University of Canterbury. Civil Engineering, 1996. http://hdl.handle.net/10092/8278.

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There have been a number of experimental investigations into the backdraft phenomena. A backdraft occurs in the event of a ventilation source being formed in a compartment, within which a fire has been burning for a sufficiently long enough time to form a deep layer of excess pyrolyzates. The source of fresh air will flow into the compartment in the form of a gravity current. It is the gravity current feature of backdrafts that this research project focuses on. Application of Computational Fluid Dynamics (CFD) to fire problems is expanding, including the development of specific programs for f

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34

Wright, Nigel George. "Multigrid solutions of elliptic fluid flow problems." Thesis, University of Leeds, 1988. http://etheses.whiterose.ac.uk/446/.

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An efficient FAS muldgrid solution strategy is presented for the accurate and economic simulation of convection dominated flows. The use of a high-order approximation to the convective transport terms found in the governing equations of motion has been investigated in conjunction with an unsegregated smoothing technique. Results are presented for a sequence of problems of increasing complexity requiring that careful attention be directed toward; the proper treatment of different types of boundary condition. The classical two-dimensional problem of flow in a lid-driven cavity is investigated in

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35

Zhang, Zhao Kang. "Downhole fluid flow simulation during tripping operations." Thesis, Robert Gordon University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364683.

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36

MATUTTI, OSCAR CORONADO. "TAYLOR-COUETTE INSTABILITY IN VISCOPLASTIC FLUID FLOW." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2002. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=2814@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>A superposição de um escoamento circular de Couette e um fluxo com gradiente de pressão axial, através de um espaço anular ocorre em muitas aplicações práticas, tais como: reatores químicos catalíticos, filtros, extratores líquido- líquido, mancais e o fluxo de retorno de lamas de perfuração entre a coluna de perfuração rotatória e a formação rochosa na perfuração de poços produtores de petróleo e gás. As linhas de corrente curvadas do fluxo circular de Couette podem causar uma instabilidade centrífuga que produz vórtices

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37

Newling, Benedict. "Magnetic resonance imaging studies of fluid flow." Thesis, University of Cambridge, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.627496.

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38

Koroleva, Olga Igorevna. "Control and analysis of fluid flow networks /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2004. http://wwwlib.umi.com/cr/ucsd/fullcit?p3112871.

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39

Vallejo, Juan Pablo Aguayo. "Prediction of viscoelastic fluid flow in contractions." Thesis, Swansea University, 2006. https://cronfa.swan.ac.uk/Record/cronfa42918.

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40

Lucas, G. P. "The measurement of two-phase flow parameters in vertical and deviated flows." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292554.

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41

Heslop, S. E. "Aspects of volcanic fluid dynamics." Thesis, Lancaster University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383570.

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42

Hildyard, M. L. "The fluid mechanics of filters." Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233871.

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43

Kurban, Adib Paulo Abdalla. "Stratified liquid-liquid flow." Thesis, Imperial College London, 1997. http://hdl.handle.net/10044/1/7553.

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44

Benson, M. "Flow past bluff bodies." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382725.

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45

Ho, Weiting. "Distribution of Systemic Macrolides to Gingiva Crevicular Fluid: Effect on Crevicular Fluid Flow." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1242760344.

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46

Vaughan, Jeremy Reid. "Tracing hydrothermal fluid flow in the rock record : geochemical and isotopic constraints on fluid flow in Carlin-type gold systems." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44875.

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Mapping relative patterns of mineral alteration and metasomatism reveal the visible manifestation of a hydrothermal system, but the visible expression of the hydrothermal system at the distal margins of fluid circulation may be limited owing to significant kinetic barriers to mineralogical and chemical alteration. Light stable isotopes of oxygen and carbon in carbonate minerals can be sensitive indicators of the interaction between hydrothermal fluids and wall rocks that can be used to delineate fluid flow pathways, evaluate the permeability network and source of fluids, estimate integrated f

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47

Agg, D. A. "The flow of polymeric fluids." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.233667.

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The thesis is concerned with the flow of polymeric fluids and their response to deformations. The current state of research into the rheology of polymers is reviewed and an introduction to non-Newtonian fluid mechanics is given. A novel numerical algorithm for simulating the flow of non-Newtonian fluids is presented, in which the fluid is represented by a set of Lagrangian particles embedded in it. Each particle carries a velocity and a stress with it as it moves through the flow geometry. The velocity gradient tensor and the divergence of the stress tensor are calculated for each particle by

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48

Van, Sittert Fritz Peter. "The effect of pipe roughness on non-Newtonian turbulent flow." Thesis, Cape Technikon, 1999. http://hdl.handle.net/20.500.11838/1035.

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Thesis (MTech (Civil Engineering))--Cape Technikon, Cape Town, 1999<br>Pipe roughness is known to greatly increase the turbulent flow friction factor for Newtonian fluids. The well-known Moody diagram shows that an order of magnitude increase in the friction is possible due to the effect of pipe roughness. However, since the classical work of Nikuradse (1926 -1933), very little has been done in this area. In particular, the effects that pipe roughness might have on non-Newtonian turbulent flow head loss, has been all but totally ignored. This thesis is directed at helping to alleviate th

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49

Nemouchi, Zoubir. "The computation of turbulent thin shear flows associated with flow around multi-element aerofoils." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.480482.

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50

Al-Asmi, Khalfan. "Vortex shedding in oscillatory flow." Thesis, University of Surrey, 1992. http://epubs.surrey.ac.uk/842864/.

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Measurements of the response to inline flow oscillations of vortex shedding from certain bluff bodies have been made. Four cylinders with fixed separation points were exposed to a mean stream with controlled sinusoidal oscillations at defined frequency ratios and amplitudes. Attention was concentrated on the highly sensitive reduced velocity regime around the inverse of twice the Strouhal number, 1/2S. Synchronisation of vortex formation was first established; then, for conditions at which synchronisation occured, threshold amplitude was measured. In order to determine the common and distingui

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