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Dissertations / Theses on the topic 'Couette flow'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Welsh, Stephanie. "Compressible Taylor-Couette flow." Thesis, University of Leeds, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616475.

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Incompressible Taylor-Couette flow has been studied extensively over the years. However, the compressible system has been largely ignored with only a few notable studies. The present thesis aims to explore the compressible Taylor-Couette system for a large range of parameters. The compressible equations have been linearised and a spectral method was applied to solve the system using a MATLAB-routine. In Chapter 2, we discuss the analysis performed to solve the system and explain the basic concepts and phenomena we expect to find. We also explain the numerical methods used. Chapter 3 discusses

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2

Blum, Kevin M. "Acoustically probed Taylor-Couette flow apparatus." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/27925.

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3

Youd, Anthony John. "Bifurcations in forced Taylor-Couette flow." Thesis, University of Newcastle Upon Tyne, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420066.

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4

Åsén, Per-Olov. "Stability of plane Couette flow and pipe Poiseuille flow." Doctoral thesis, KTH, Numerisk Analys och Datalogi, NADA, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4368.

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This thesis concerns the stability of plane Couette flow and pipe Poiseuille flow in three space dimensions. The mathematical model for both flows is the incompressible Navier--Stokes equations. Both analytical and numerical techniques are used. We present new results for the resolvent corresponding to both flows. For plane Couette flow, analytical bounds on the resolvent have previously been derived in parts of the unstable half-plane. In the remaining part, only bounds based on numerical computations in an infinite parameter domain are available. Due to the need for truncation of this infini

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5

Carnevali, Emanuele. "Simulation of a viscoelastic Taylor-Couette flow." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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Since the early stages of Computational Rheology the Taylor-Couette geometry received a lot of attention from researchers, up to becoming one of the benchmark problem of viscoleastic flows. In particular, the circular bounding geometry, together with the shear driven characteristic, allowed to gain relevant insight about the relation between the distortion of polymer conformation, and the arise of elastic instabilities. The present document has the purpose of presenting the thesis project results, concerning the numerical investigation of a Taylor-Couette geometry through the newly developed

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6

Deguchi, Kengo. "Finite amplitude solutions in sliding Couette flow." 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/174925.

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7

Pudjiono, Putut Irwan. "Protein precipitation in a Couette flow device." Thesis, University of Manchester, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357604.

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8

Willis, Ashley Phillip. "The hydromagnetic stability of Taylor Couette flow." Thesis, University of Newcastle Upon Tyne, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246621.

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9

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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10

Topayev, Sultan. "Taylor-Couette flow for shear-thinning fluids." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0301.

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On s’intéresse aux instabilités secondaires dans un écoulement de Taylor-Couette en grand entrefer pour un fluide rhéofluidifiant. Des études théorique, expérimentale et numérique ont été mises en œuvre. D’un point de vue théorique, une analyse faiblement non linéaire a été développée en régime dit TVF (Taylor Vortex Flow) pour rendre compte des premiers effets de la non linéarité de la loi de comportement sur la structure de l’écoulement. Le comportement rhéologique du fluide est décrit par le modèle de Carreau. Des effets significatifs du caractère rhéofluidifiant ont été mis en évidence : L

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11

Ebrinc, Ali Aslan. "High Speed Viscous Plane Couette-poiseuille Flow Stability." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12604769/index.pdf.

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The linear stability of high speed-viscous plane Couette and Couette-Poiseuille flows are investigated numerically. The conservation equations along with Sutherland&amp<br>#65533<br>s viscosity law are studied using a second-order finite difference scheme. The basic velocity and temperature distributions are perturbed by a small-amplitude normalmode disturbance. The small-amplitude disturbance equations are solved numerically using a global method using QZ algorithm to find all the eigenvalues at finite Reynolds numbers, and the incompressible limit of these equations is investigated for Couet

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12

Olvera, Cabrera Daniel. "Coherent structures in stably stratified plane couette flow." Thesis, University of Bristol, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723480.

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13

Szklarski, Jacek T. "Helical magnetorotational instability in MHD Taylor-Couette flow." Phd thesis, kostenfrei, 2007. http://opus.kobv.de/ubp/volltexte/2008/1600/.

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14

Borrero, Daniel. "Subcritical Transition to Turbulence in Taylor-Couette Flow." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53140.

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Turbulence is ubiquitous in naturally-occurring and man-made flows. Despite its importance in scientific and engineering applications, the transition from smooth laminar flow to disorganized turbulent flow is poorly understood. In some cases, the transition can be understood in the context of linear stability theory, which predicts when the underlying laminar solution will become unstable as a parameter is varied. For a large class of flows, however, this approach fails spectacularly, with theory predicting that the laminar flow is stable but experiments and simulations showing the emergence o

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15

Szemberg, O'Connor Teddy. "Bulk viscosity effects in compressible turbulent Couette flow." Thesis, Imperial College London, 2018. http://hdl.handle.net/10044/1/62657.

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This work investigates the effect of bulk viscosity in one-, two-, and three{dimensional compressible fows via direct numerical simulation. The role of bulk viscosity in compressible turbulence is of increasing importance due to three applications: spacecraft descending through the Martian atmosphere, the thermodynamic cycle of solar-thermal power plant, and carbon capture and storage compressors. All three rely on the accurate description of turbulence in carbon dioxide, a gas with a bulk-to-shear viscosity ratio three orders of magnitude larger than for air. In these applications, invoking S

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16

Oglethorpe, Rosalind Leigh Frances. "Mixing in stably stratified turbulent Taylor-Couette flow." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708399.

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17

Moore, Christine M. V. "Characterization of a Taylor-Couette vortex flow reactor." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/11654.

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18

Ebrinç, Ali Aslan. "High speed viscous plane couette-poiseuille flow stability." Ankara : METU, 2004. http://etd.lib.metu.edu.tr/upload/12604769/index.pdf.

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19

Zhang, Pu. "Simulations of nonlinear flow in spherical system." Thesis, University of Exeter, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248176.

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20

Peralta, Carlos Andrés. "Superfluid spherical Couette flow and rotational irregularities in pulsars /." Connect to thesis, 2006. http://eprints.unimelb.edu.au/archive/00003176.

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21

Lagha, Maher. "Modeling the transition to turbulence in plane Couette flow." Phd thesis, Ecole Polytechnique X, 2006. http://pastel.archives-ouvertes.fr/pastel-00675068.

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The Galerkin method is used to derive a realistic model of plane Couette flow in terms of partial differential equations governing the space-time dependence of the amplitude of a few cross-stream modes. Numerical simulations show that it reproduces the globally sub-critical behavior typical of this flow. In particular, the statistics of turbulent transients at decay from turbulent to laminar flow displays striking similarities with experimental findings.

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22

Ho, Wai-man, and 何慧敏. "A numerical study on turbulent oscillatory plane Couette flow." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B2977083X.

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23

Bock, Christopher Paul. "Particle separation through Taylor-Couette flow and dielectrophoretic trapping." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4625.

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As the world population approaches seven billion, a greater strain is put on the resources necessary to sustain life. One of the most basic and essential resources is water and while two thirds of the earth is covered by water, the majority is either salt water (oceans and seas) or it is too contaminated to drink. The purpose of this project is to develop a portable device capable of testing whether a specific source of water (i.e. lake, river, well ...) is potable. There are numerous filtration techniques that can remove contaminants and make even the dirtiest water clean enough for consumpti

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24

Adams, Matthew Michael. "Magnetic and acoustic investigations of turbulent spherical Couette flow." Thesis, University of Maryland, College Park, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10160544.

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<p> This dissertation describes experiments in spherical Couette devices, using both gas and liquid sodium. The experimental geometry is motivated by the Earth's outer core, the seat of the geodynamo, and consists of an outer spherical shell and an inner sphere, both of which can be rotated independently to drive a shear flow in the fluid lying between them. In the case of experiments with liquid sodium, we apply DC axial magnetic fields, with a dominant dipole or quadrupole component, to the system. We measure the magnetic field induced by the flow of liquid sodium using an external array of

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25

de, Oliveira Ebenezer. "Computations of the interface in two-fluid Couette flow." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587032365434615.

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26

Liu, Tao. "Dynamics of turbulent structures in plane Couette-Poiseuille flow." Electronic Thesis or Diss., Université Paris Cité, 2022. https://wo.app.u-paris.fr/cgi-bin/WebObjects/TheseWeb.woa/wa/show?t=4350&f=40173.

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Dans cette thèse, nous étudions expérimentalement la dynamique des structures turbulentes omniprésentes dans les écoulements de cisaillement confinés par des parois : les « stries » et les « rouleaux ». L’interaction entre ces structures est responsable du processus d’auto-entretien (SSP) de la turbulence. Nous réalisons les expériences dans un canal Couette-Poiseuille plan dans lequel le fluide est entraîné par une membrane mobile latérale et relié à deux réservoirs de sorte que le flux moyen soit nul. Les stries et les rouleaux sont quantifiés par les composantes de vitesse dans la direction

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27

Sirisup, Sirod. "Linear stability of plane Couette flow at moderate Reynolds numbers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq64453.pdf.

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28

Bourne, David. "The Taylor-Couette problem for flow in a deformable cylinder." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6893.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<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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29

Liefvendahl, Mattias. "Stability results for viscous shock waves and plane Couette flow." Doctoral thesis, Stockholm, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3241.

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30

Wilson, Matthew Bernard. "Numerical study of plane couette flow in a rotating framework." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/17359.

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31

Bell, Martin Derek. "Ordering of particulate suspensions in Couette flow at moderate Reynolds numbers." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28901.

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A remarkable ordering phenomenon has been seen to occur when a suspension of particles undergoes shear at particle Reynolds numbers of the order of or greater than one in the annular gap of a Couette type shearing device. This particulate ordering was observed and studied with both suspensions of rigid spheres and suspensions of polystyrene latex aggregates formed in the presence of shear within the gap. Each of these systems was studied under a variety of initial conditions in order to define the particular flow conditions required for particle alignment to occur. It was found that particulat

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32

Zhang, Xiao-Ming. "Flow dynamics of time-dependent and viscoplastic fluids in couette gemoetry /." Title page, abstract and contents only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phz63328.pdf.

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33

Brown, Jason Britton. "An experimental facility for the investigation of the flow in a circular-couette flow bioreactor." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/18174.

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34

Mehri, Rym. "Micro PIV and Numerical Investigation of a Micro-Couette Blood Flow." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/22916.

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The purpose of this thesis is to design a physical microchannel model for micro-Couette blood flow that provides constant and controlled conditions to study and analyze Red Blood Cell (RBC) aggregation. The innovation of this work is that the Couette blood flow is created by the motion of a second fluid with different properties, thereby entraining the blood. The experimental work is coupled with three-dimensional numerical simulations performed using a research Computational Fluid Dynamic (CFD) Solver, Nek5000, based on the spectral element method, while the experiments are conducted using a

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35

Kirkconnell, Carl Scott. "Experiments on the stability characteristics of an unsteady circular couette flow." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/16400.

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36

Harris, Derek. "A study of a nonlinear amplitude equation modelling spherical couette flow." Thesis, University of Exeter, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367377.

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37

Lyon, David J. "Couette flow measurement of equilibrium and energization charging in transformer insulation." Thesis, Massachusetts Institute of Technology, 1987. http://hdl.handle.net/1721.1/112666.

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38

Martínez, Arias Borja. "Torque measurement in turbulent Couette-Taylor flows." Thesis, Le Havre, 2015. http://www.theses.fr/2015LEHA0004/document.

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L’écoulement entre deux cylindres coaxiaux, appelé l’écoulement de Couette-Taylor, a été étudié lorsque le cylindre intérieur tourne. Quatre dispositifs ont été utilisés avec différentes tailles d’entrefer. Les visualisations montrent l’évolution des motifs avec le nombre de Reynolds, Re. La variation du couple sur le cylindre intérieur a été déterminée en utilisant le pseudo-nombre de Nusselt, qui est une mesure du taux de dissipation d’énergie.Pour des faibles valeurs de Re, l’écoulement est laminaire et azimutal, et le couple est proportionnel à Re. Au-delà d’une valeur critique de Re, les

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39

Basik, Beata-Marie. "Direct simulation Monte Carlo model of a couette flow of granular materials." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60433.

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Since life-threatening natural phenomena, such as, snow avalanches and lava flows, and many industrial and agricultural material handling processes may be classified as granular flows, establishing constitutive relationships which model granular flow behaviour is of prime importance. While laboratory experiments attempting to support granular flow theory have been plagued by poor instrumentation, numerical simulations are becoming increasingly helpful in understanding the nature of these flows. The present investigation describes such a simulation developed within the framework of the Direct S

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40

Salhi, Abdelaziz. "Etude de l'ecoulement couette poiseuille, liquide et liquide-gaz, dans un espace annulaire reduit." Nantes, 1986. http://www.theses.fr/1986NANT2066.

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Etude experimentale d'un ecoulement force dans un labyrinthe tournant. Interpretation des resultats en fonction des diverses compositions de regimes laminaire-turbulent-tourbillonnaire. Proposition d'une correlation semi-analytique. Essais en ecoulements diphasiques

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41

Johnson, Tyler Jay. "Drag measurements across patterned surfaces in a low Reynolds number Couette flow facility." Thesis, [Tuscaloosa, Ala. : University of Alabama Libraries], 2009. http://purl.lib.ua.edu/2128.

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42

Yim, Samson Sau Shun. "The effect of flow stability on residence time distribution of Newtonian and non-Newtonian liquids in couette flow." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.264191.

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43

Dumas, Guy Leonard Anthony. "Study of spherical couette flow via 3-D spectral simulations : large and narrow-gap flows and their transitions /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-04162004-103555.

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44

Seyidoglu, Tijen. "Generalized Couette Flow Of A Herschel-bulkley Fluid Through Eccentric Annulus-an Approximate Solution." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607087/index.pdf.

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ABSTRACT GENERALIZED COUETTE FLOW OF A HERSCHEL - BULKLEY FLUID THROUGH ECCENTRIC ANNULUS - AN APPROXIMATE SOLUTION Seyidoglu, Tijen M.S., Department of Chemical Engineering Supervisor: ismail Tosun Co-Supervisor: Ahmet N. Eraslan January 2006, 134 pages Generalized Couette flow of a Herschel-Bulkley fluid in an eccentric annulus is analyzed by approximating the flow geometry as a slit of variable height. Besides an imposed pressure gradient, one of the plates is considered non-stationary to take into account the axial and/or angular motion of the inner pipe in an eccentric annulus sys

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45

Bentley, David Christopher. "Localised solutions in the magnetorotational Taylor-Couette flow with a quartic marginal stability curve." Thesis, University of Leeds, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.590491.

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This thesis is motivated by the observation in the magnetorotational Taylor-Couette flow that, for certain configurations of an externally applied magnetic field, there is competition between two different wavelengths at the thresh• old of instability. Moreover, for a particular magnetic field configuration the two critical wavelengths coalesce, such that the marginal stability curve has a quartic minimum. By perturbing about this quartic minimum, we recover competition between two similar wavelengths. This competition suggests the possibility that the secondary flow may exhibit localised patc

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46

Ali, M. A. "Thermal and MHD effects on the stability of Couette flow between two rotating cylinders." Thesis, University of Manchester, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383882.

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47

Halcrow, Jonathan. "Charting the State Space of Plane Couette Flow: Equilibria, Relative Equilibria, and Heteroclinic Connections." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24724.

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Thesis (Ph.D.)--Physics, Georgia Institute of Technology, 2009.<br>Committee Chair: Cvitanovic, Predrag; Committee Member: Bracco, Annalisa; Committee Member: Dieci, Luca; Committee Member: Goldman, Daniel; Committee Member: Grigoriev, Roman

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48

Gaied, Lamia. "Influence de la rugosité de surfaces de parois sur les instabilités hydrodynamiques d'un écoulement de Couette-Taylor et de Couette-Taylor-Poiseuille." Thesis, Valenciennes, Université Polytechnique Hauts-de-France, 2020. http://www.theses.fr/2020UPHF0018.

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Ce travail porte sur l’étude numérique et expérimentale d’un écoulement de Couette-Taylor dans une géométrie à surfaces rugueuses, afin de détecter l’effet de la rugosité sur les instabilités hydrodynamiques. Dans un premier temps, nous avons effectué une étude de simulation numérique (CFD) 3D dans le cas d’un écoulement de Couette-Taylor sans débit axial, mais en utilisant plusieurs types de rugosités de surfaces : rugosité isotrope (micro-rugosité), rugosité anisotrope (macro-rugosité), variation de l’amplitude ainsi que le type de la macro-rugosité. Les résultats obtenus montrent bien l’eff

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49

El, Anadouli Mohamed. "Étude des instabilités imparfaites de Couette-Taylor." Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL117N.

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Ce mémoire est consacré à l'étude des instabilités imparfaites de l'écoulement de Couette-Taylor en géométrie fine et à faible vitesse de rotation. Dans le premier chapitre, nous effectuons l'analyse de la stabilité linéaire pour différents rapports de rayons qui définit les paramètres critiques de l'écoulement. Pour tenir compte des effets de bords nous recourrons à l'analyse quasi-linéaire. Ces effets se traduisent par la présence du terme quadratique dans l'équation de ginzburg-landau. Ceci fait l'objet de notre deuxième chapitre. Le troisième chapitre est consacré à la description de la mé

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50

Skufca, Joseph D. "Understanding a chaotic saddle with focus on a 9-variable model of Planar Couette flow." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2897.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Applied Mathematics Program. 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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