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Dissertations / Theses on the topic 'Hydrodynamic studies'

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1

Garcia, Antonio Diego Molina. "Hydrodynamic studies on microorganisms." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303987.

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2

Gandhi, Bimal C. "Hydrodynamic studies in a slurry bubble column." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq28573.pdf.

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3

Ang, Shirley. "Hydrodynamic studies on polysaccharides and their interactions." Thesis, University of Nottingham, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.508221.

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4

Dhami, Rajesh. "Hydrodynamic studies of xanthan and xylan systems." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321379.

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5

Walters, Chris. "Hydrodynamic studies on chaperonins and related molecular assemblies." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368342.

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6

Johnson, Lowell Morgan. "Hydrodynamic flowfield visualization studies of a Mach 6 waverider." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA283445.

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Thesis (M.S. in Aeronautical Engineering) Naval Postgraduate School, March 1994.<br>Thesis advisor(s): Conrad F. Newberry ; J.V. Bowles. "March 1994." Includes bibliographical references. Also available online.
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7

Edington, David W. N. "Spectroscopic studies of anomalous hydrodynamic behaviour in complex fluids." Thesis, University of Edinburgh, 2002. http://hdl.handle.net/1842/2789.

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Brillouin spectroscopy probes the thermally generated pressure fluctuations (sound waves) which propagate in a material. The resulting information on sound velocity and absorption provides a fast and efficient method of monitoring high frequency (GHz) dynamics in the system being studied. In certain cases, structural information may also be inferred from changes in the Brillouin spectrum as a function of temperature, pressure or composition (in the case of multi-component systems). The aim of the work presented in this thesis was to integrate Brillouin spectroscopy into current soft condensed
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8

Luttrell, Gerald H. "Hydrodynamic studies and mathematical modeling of fine coal flotation." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/49828.

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9

Liang, Shu-Chien. "Studies on hydrodynamic interactions between particles in liquid-solid systems /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487930304685987.

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10

Lin, Chia-Po. "Experimental studies of the hydrodynamic characteristics of a sloped wave energy device." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/7521.

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Many wave energy convertors are designed to use either vertical (heave) or horizontal (surge) movements of waves. But the frequency response of small heaving buoys and oscillating water column devices shows that they are too stiff and so their resonance is at too short a period. A device moving in the horizontal (surge) direction has less restoring spring and so its resonance is at too long a period. It follows that a device that moved at some intermediate slope angle could have an intermediate value of hydrodynamic stiffness and so be resonant at a variable and desirable part of the wave spec
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11

Chia-Po, L. "Experimental studies of the hydrodynamic characteristics of a sloped wave power device." Thesis, University of Edinburgh, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.642804.

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Many wave energy convertors are designed to utilise either vertical (heave) or horizontal (surge) movements of waves. But the frequency response of small heaving buoys and oscillating water column devices shows that they are too stiff and so their resonance is at too short a period. A device moving in the horizontal (surge) direction has less restoring spring and so its resonance is at too long a period. It follows that a device that moved at some intermediate slope angle could have an intermediate value of hydrodynamic stiffness and so be resonant at a variable and desirable part of the wave
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12

Mohan, Aruna 1981. "Studies on the hydrodynamic equations based on the theory of diffusive volume transport." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/29377.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, June 2004.<br>Includes bibliographical references (leaves 41-42).<br>A recently formulated continuum theory has postulated that the momentum per unit volume of fluid differs from the mass flux whenever there are density gradients in the fluid resulting from the molecular transport of heat or mass. In such cases, the Navier-Stokes equations are unable to correctly predict the continuum fields and observed flow phenomena. A new set of continuum equations has been postulated to take into account density inhomogen
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13

White, Darren Mark. "Lattice Bhatnagar-Gross-Krook studies of hydrodynamic and thermohydrodynamic internal pressure-driven flows." Thesis, Sheffield Hallam University, 1999. http://shura.shu.ac.uk/20525/.

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In this thesis we develop applications of Lattice-Bhatnagar-Krook (LBGK) models to incompressible flow problems. We show that in geometries where flow is forced via application of a pressure difference, a modified Exactly Incompressible LBGK (EILBGK) scheme must be applied if significant pressure variations occur. We analyse the model's representation of the no-slip wall boundary condition for flow in a straight duct and recover a friction factor in excellent agreement with theory. Simulation of flow over a backward-facing step produces good agreement with other numerical techniques. We propos
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14

Garcia-Briones, Miguel Angel. "Studies on the characterization of the hydrodynamic environment in sparged animal cell cultures /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487859313346956.

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15

Tedjakusuma, Teddy. "Hydrodynamic and dispersion studies in an estuary physical model incorporated with an idealized groundwater." Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/110465/.

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A study on hydrodynamic and dispersion has been undertaken in an estuary physical model. The model represented the Severn Estuary in the UK which has the second largest tidal range in the world. The scale of the model was 1:125 vertically and 1:25,000 horizontally. Experiments in nine sample points showed that water level was different in those points. Velocity measurements showed that the velocity in the physical model coild be analysed using the wave resonance theory. The velocity profile measurements showed that the balance between ebb and flood tide, and this balance were different in diff
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16

Borren, Bojana [Verfasser]. "Studies on hydrodynamic strategies for intensification of mass transfer in trickle-bed reactors / Bojana Borren." München : Verlag Dr. Hut, 2012. http://d-nb.info/1028783752/34.

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17

Rinderknecht, Hans G. "Studies of non-hydrodynamic processes in ICF implosions on OMEGA and the National Ignition Facility." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/99291.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Ion kinetic effects are expected to modify plasma dynamics when ion mean-free-paths and collision times become comparable to the scale sizes of the plasma. Such conditions arise during the shock convergence phase of inertial confinement fusion (ICF) implosions, when they may modify the compression and ignition of the fuel from the evolution predicted by main-line hydrodynamic simulations. Kinetic plasma dynamics relevant to ICF
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18

Shojaei, Nasim. "Automatic Calibration of Water Quality and Hydrodynamic Model (CE-QUAL-W2)." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1942.

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One of the most important purposes of surface water resource management is to develop predictive models to assist in identifying and evaluating operational and structural measures for improving water quality. To better understand the effects of external and internal nutrient and organic loading and the effects of reservoir operation, a model is often developed, calibrated, and used for sensitivity and management simulations. The importance of modeling and simulation in the scientific community has drawn interest towards methods for automated calibration. This study addresses using an automatic
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19

Hamid, Adnan. "Direct Numerical Simulation Studies of Sedimentation of Spherical Particles." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/188621.

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20

Driscoll, Mark D. "Effects of hydrodynamic regime on photosynthesis in the green alga Caulerpa." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000598.

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21

Kuutmann, Andrej. "Photo-evaporation of Globulettes : Numerical hydrodynamic studies of photo-evaporating low-mass globules in the Rosette Nebula." Thesis, Stockholm University, Department of Astronomy, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-8354.

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<p>In this work, the long-term evolution of globulettes, low-mass globules found in H II regions, is studied through numerical hydrodynamic simulations. It has been proposed by Gahm et al. (2007) that these clouds may form free-floating planetary mass objects due to shock compression, caused by heating from the intense UV radiation of the central OB star cluster. To address this possibility, lifetimes are calculated for three different 3D simulated cases, similar to globulettes found in the Rosette Nebula. A plane-parallel approximation of the radiation field is used, as well as an inhomogeneo
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22

Ma, Ningning. "Quantitative studies of the bubble-cell interactions and the mechanisms of mammalian cell damage from hydrodynamic forces /." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486459267518873.

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23

Al-Zubaidi, Hussein Ali Mahdi. "3D Hydrodynamic, Temperature, and Water Quality Numerical Model for Surface Waterbodies: Development, Verification, and Field Case Studies." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4500.

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Numerical modeling has become a major tool for managing water quality in surface waterbodies such as rivers, lakes, reservoirs, and estuaries. Since the two-dimensional longitudinal/vertical model CE-QUAL-W2 is a well-known model and it has been applied to thousands of waterbodies around the world successfully, its numerical scheme was adapted to develop a new three-dimensional numerical model for simulating hydrodynamics, temperature, and water quality in surface waterbodies. Finite difference approximations were used to solve the fluid dynamic governing equations of continuity, free water su
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24

Van, Glubt Sarah. "Hydrodynamic and Water Quality Modeling of the Chehalis River Using CE-QUAL-W2." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3486.

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The Chehalis River Basin is located in the southwest region of Washington State, originating in the Olympic Mountains and flowing to Grays Harbor and the Pacific Ocean. The Chehalis River is over 125 miles, exists within five counties, and flows through agricultural, residential, industrial, and forest land areas. Four major rivers discharge to the Chehalis River, as well as many smaller creeks, five wastewater treatment plants, and groundwater flows. Flooding is a major problem in the relatively flat areas surrounding the cities of Chehalis and Centralia, with severe consequences for property
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25

Inga, Juan Ricardo. "Hydrodynamic studies and reactor modelling of a three phase slurry reactor in Fischer Tropsch application / Juan Ricardo Inga." Thesis, Potchefstroom University for Christian Higher Education, 1992. http://hdl.handle.net/10394/9611.

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In this .study the hydrodynamic characteristics of the slurry bed reactor was investigated. This study was aimed to the under" standing of the important parameters that describe the hydrodynamic regime and their quantification. In order to determine the relevant parameters the use of a theoretical model was necessary. This model should include all the hydrodynamic parameters in form of correlations. A sensitivity study was done and the parameters which have great impact were determined. An extensive literature review was done in order to gather the experience of previous investigations. Unfort
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26

Pan, Guangdong. "Electromagnetic Backscattering Studies of Nonlinear Ocean Surfaces." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1204559229.

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27

Xu, Wenwei. "Development of a Steady-State River Hydrodynamic and Temperature Model Based on CE-QUAL-W2." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1619.

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CE-QUAL-W2 is a 2-D hydrodynamic and water quality model that has been applied to reservoirs, lakes, river systems, and estuaries throughout the world. However, when this model is applied for shallow systems, this model requires a long calculation time to maintain numerical stability, compared to applications of reservoirs or deeper river systems. To solve this problem, a new hydrodynamic and temperature model was built based on the framework of CE-QUAL-W2 but that allows for steady-state hydrodynamic computations. By calculating the hydrodynamics at steady-state, the time step for stability i
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28

Shendruk, Tyler. "Theoretical and Computational Studies of Hydrodynamics-based Separation of Particles and Polymers in Microfluidic Channels." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30423.

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The advent of microfluidic technology presents many difficulties but also many opportunities for separation science. Leveraging the potential of micro- and nanofluidic geometries is not only a matter of shrinking systems. Miniaturization can shift the relative importance of physical phenomena leading to separation. Theoretical and computational studies into the consequences of miniaturization are vital. Mesoscopic, multi-particle collision dynamics simulations are performed on polyelectrolytes and hard, colloidal solutes. Multiple variations of this simulation algorithm are implemented to ach
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29

Bidwe, Ajay Ramesh [Verfasser], and Günter [Akademischer Betreuer] Scheffknecht. "Hydrodynamic studies of the dual fluidized bed reactor systems for high temperature solid looping cycles / Ajay Ramesh Bidwe ; Betreuer: Günter Scheffknecht." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2017. http://d-nb.info/1150705086/34.

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30

Meyers, Alison Cheryl. "Depositional Dynamics in Seagrass Systems of Tampa Bay, FL: Influence of Hydrodynamic Regime and Vegetation Density on Ecosystem Function." Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1714.

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Many coastal ecosystems around the world are dominated by submerged aquatic vegetation (SAV) habitats. These SAV habitats are known to provide many highly valuable ecosystem services such as habitat for commercial important species and increased water clarity. Water flow is an environmental variable which can have measurable effects on the ecosystem services provided by SAV, but is often not considered in studies assessing these services. This dissertation sought to investigate the links between SAV, primarily seagrasses, and hydrodynamics, paying special attention to the effects on sediments
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31

Vissenaekens, Elise. "The assessment of the uncertainty of the hydrodynamical SYMPHONIE2015 model and its implications for Lagrangian dispersal studies." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS039.

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Pour donner de bons conseils de gestion, la connectivité dans les zones côtières doit être parfaitement comprise. Le fil rouge de cette thèse est l'analyse de l'incertitude du modèle SYMPHONIE2015 et son effet sur les simulations de dispersion larvaire. Dans le premier chapitre, la robustesse du modèle à la violation des hypothèses a été testée. Cela a été fait en calculant six indicateurs statistiques relatifs et absolus pendant et en dehors des événements de vent, de vagues et de stratification. Les résultats ont montré que les performances du modèle ne sont pas affectées par ces événements.
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32

Scheck, Leonhard [Verfasser], Hans-Thomas Akademischer Betreuer] Janka, and Andrzej [Akademischer Betreuer] [Buras. "Parametric Studies of Hydrodynamic Instabilities in the Supernova Core by Two- and Three-Dimensional Simulations / Leonhard Scheck. Gutachter: Andrzej Jerzy Buras. Betreuer: Hans-Thomas Janka." München : Universitätsbibliothek der TU München, 2006. http://d-nb.info/105886596X/34.

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33

Cornelisen, Christopher David. "Nutrient Uptake by Seagrass Communities and Associated Organisms: Impact of Hydrodynamic Regime Quantified through Field Measurements and use of an Isotope Label." [Tampa, Fla. : s.n.], 2003. http://purl.fcla.edu/fcla/etd/SFE0000079.

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34

Dobrovolný, Martin. "Konstrukční studie axiálních bezucpávkových čerpadel." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378388.

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Review of axial hydraulic machines and elementary procedures of design hydraulic machines are listed in the first part of thesis. Second part is dedicated axial pump with annular motor and measurement its characteristic curve. In the third part of thesis, procedure of design axial pump with tube motor is described, also there are listed CFD results and characteristic curve of axial pump with tube motor is predicted.
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35

Brynjell-Rahkola, Mattias. "Studies on instability and optimal forcing of incompressible flows." Doctoral thesis, KTH, Stabilitet, Transition, Kontroll, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-218172.

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This thesis considers the hydrodynamic instability and optimal forcing of a number of incompressible flow cases. In the first part, the instabilities of three problems that are of great interest in energy and aerospace applications are studied, namely a Blasius boundary layer subject to localized wall-suction, a Falkner–Skan–Cooke boundary layer with a localized surface roughness, and a pair of helical vortices. The two boundary layer flows are studied through spectral element simulations and eigenvalue computations, which enable their long-term behavior as well as the mechanisms causing trans
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36

Baran, Oleh. "Numerical studies of thermal hydrodynamics." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=36873.

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We introduce and study new lattice gas models of hydrodynamics to simulate thermal fluids in non-equilibrium. The new approach consists in modifying the conventional Lattice Gas Cellular Automata method for fluids by removing the constraints of the Fermi exclusion principle and by introducing internal potential energy levels for the particles. These modifications allow the effective employment of Monte-Carlo dynamics for the evolution of the models, so that the temperature is defined in a natural way, and the introduction of interactions becomes straightforward.<br>Because the transport proper
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37

Parameswaran, Gopalkrishnan. "Smoothed Particle Hydrodynamics studies of heap leaching hydrodynamics and thermal transport." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/39879.

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This thesis is concerned with the development and application of Smoothed Particle Hydrodynamics (SPH) models for studying multiphase flows such as those relevant to the analysis of the hydrodynamics and thermal transport involved in heap leaching. The improvements made here to the modelling aspects of multiphase SPH are seen to bring about measurable improvements to solution quality. A relative density formulation and a 'compressibility-matching' method for handling interfaces eliminate what would otherwise be significant obstacles to obtaining stable and smooth pressure fields. The convergen
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38

Hyde, Robert Harry. "Growth and Characterization of Thermoelectric Ba8Ga16Ge30 Type-I Clathrate Thin-Films Deposited by Pulsed Dual-Laser Ablation." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3162.

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The on-going interest in thermoelectric (TE) materials, in the form of bulk and films, motivates investigation of materials that exhibit low thermal conductivity and good electrical conductivity. Such materials are phonon-glass electron-crystals (PGEC), and the multi-component type-I clathrate Ba8Ga16Ge30 is in this category. This work reports the first investigation of Ba8Ga16Ge30 films grown by pulsed laser deposition (PLD). This dissertation details the in-situ growth of polycrystalline type-I clathrate Ba8Ga16Ge30 thin-films by pulsed laser ablation. Films deposited using conventional lase
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39

Kochanek, C. S. Blandford Roger D. Blandford Roger D. "Studies in gravitational lensing and numerical hydrodynamics /." Diss., Pasadena, Calif. : California Institute of Technology, 1989. http://resolver.caltech.edu/CaltechETD:etd-05222007-073908.

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40

Yang, Hsun-min. "Studies of distillation tray hydrodynamics and mass transfer." Thesis, Imperial College London, 2002. http://hdl.handle.net/10044/1/11960.

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41

Urzay, Javier. "Theoretical studies in spiral edge-flame propagation and particle hydrodynamics." Diss., [La Jolla] : University of California, San Diego, 2010. http://wwwlib.umi.com/cr/ucsd/fullcit?p3398270.

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Thesis (Ph. D.)--University of California, San Diego, 2010.<br>Title from first page of PDF file (viewed May 6, 2010). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.
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42

Wang, Zhiguo. "Experimental studies and CFD simulations of conical spouted bed hydrodynamics." Thesis, University of British Columbia, 2006. http://hdl.handle.net/2429/61.

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Conical spouted beds have been commonly used for drying suspensions, solutions and pasty materials. They can also be utilized in many other processes, such as catalytic partial oxidation of methane to synthesis gas, coating of tablets, coal gasification and liquefaction, pyrolysis of sawdust or mixtures of wood residues. The main objectives of this work include both the experimental research and mathematical modelling of the conical spouted bed hydrodynamics. For experimental research, pressure transducers and static pressure probes were applied to investigate the evolution of the internal s
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43

Al-Ghoul, Mazen. "Studies in generalized hydrodynamics for chemical reactions and shock waves." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0028/NQ29872.pdf.

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44

Low, Kueng-Chang. "Hydrodynamics and mass transfer studies of a confined plunging jet." Thesis, Loughborough University, 2003. https://dspace.lboro.ac.uk/2134/35026.

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A confined plunging jet may be used as an energy efficient means of entraining a gas into a liquid for mass transfer. The application of such a jet as a wastewater oxygenator has been described. A literature survey of both the theoretical and experimental reports relevant to the hydrodynamics and mass transfer characteristics of both unconfined and confined plunging liquid jets systems, has been presented. The objective of the present study is to develop a better understanding of the confined plunging liquid jets, as a contribution towards establishing its future use as an oxygenator, especial
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45

Qu, Xiaocao. "Bench-scale two-dimensional fluidized bed hydrodynamics and struvite growth studies." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/382.

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A bench-scale, two-dimensional multi-compartmentalized fluidized reactor was designed and studies of hydrodynamic behavior of fluidization of struvite pellets were performed. Also size growth distribution tests were analyzed qualitatively. The study validated a previously-proposed theory, concerning the relationship between dynamic pressure drop and upflow velocity as well the experimental protocol to determine the minimum fluidization velocity. Findings indicated that the mixture of two-sized particles would behave rather independently of each other, before the bed expansion. It was suggested
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46

Reay, William G. "Subsurface Hydrodynamics and Nutrient Exchange within an Extensive Tidal Freshwater Wetland." W&M ScholarWorks, 1989. https://scholarworks.wm.edu/etd/1539617595.

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Located between upland and riverine systems, extensive tidal freshwater wetlands are influenced by a variety of recharging water sources and their respective nutrient contents. Conversely, tidal wetlands discharge interstitial waters and solutes to surface waters during periods of aerial exposure. Geohydrologic and model simulation methodology were utilized in order to aid in the understanding of wetland subsurface flow dynamics, its influence upon pore water nutrient chemistry, and its role in nutrient exchange with adjacent surface waters. Interstitial water nutrient chemistry was monitored
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47

Briant, Marc. "On the Boltzmann equation, quantitative studies and hydrodynamical limits." Thesis, University of Cambridge, 2014. https://www.repository.cam.ac.uk/handle/1810/246471.

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The present thesis deals with the mathematical treatment of kinetic theory and focuses more precisely on the Boltzmann equation. We investigate several properties of the solutions to the latter equation: their positivity and their hydrodynamical limits for instance. We also study the local Cauchy problem for a quantic version of the Boltzmann equation.
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48

Chun, Ho Hwan. "Theoretical and experimental studies on the resistance of SWATH ships." Thesis, University of Glasgow, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.237814.

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49

Hornemann, Jennifer Ann. "Magnetic resonance microscopy studies of biofilms diffusion, hydrodynamics and porous media /." Thesis, Montana State University, 2009. http://etd.lib.montana.edu/etd/2009/hornemann/HornemannJ0809.pdf.

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Due to the complicated nature of studying living bacterial communities, Magnetic Resonance Microscopy (MRM) is a necessary tool providing unique data that is complementary to other techniques such as confocal microscopy and microelectrodes. MRM has the ability to probe an opaque system non-invasively and collect velocity measurements, imaging data, diffusion, and relaxation values and is an asset in the quest to learn how biofilms establish, grow, and die. The goal of these studies was to extend current biofilm research using MRM to enhance our understanding of transport phenomena over a hiera
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50

Shah, Lynn. "Hydrodynamics, mixing and mass transfer studies in three external loop airlift reactors." Thesis, Teesside University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411180.

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