Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 9667 for “"Fluid"”.
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Fluid-fluid displacement in porous-media microfluidics
Immiscible fluid-fluid displacement under geometric confinement is a key physical process in large-scale subsurface energy technologies such as geologic carbon sequestration and in small-scale microfluidic techniques. Research over the past few decades has provided improved understanding of the …
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Fluid Experience
Fluid Experience reflects my reaction to research and practice of Buddhist-derived principals regarding fluidity and ever-changing aspects of human experience. My intent is to share with the viewer some of my own personal experiences of these philosophical tenets through capturing, manipulating, …
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Fluid spaces
In this thesis, I explore a form of video game that is free from modes of competition and mechanics of puzzle-solving. Instead, this form of video game focuses on creating first-person encounters with evocative spaces that do not urge for actions but allow players to wander, and to daydream. Such …
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Aspects of fluid dynamics and the fluid/gravity correspondence
This thesis considers various extensions to the fluid/gravity correspondence as well as problems fundamental to the study of fluid dynamics. The fluid/gravity correspondence is a map between the solutions of the Navier-Stokes equations of fluid dynamics and the solutions of the Einstein equations …
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Optic nerve subarachnoid space cerebral spinal fluid computational fluid dynamics
Cerebral spinal fluid (CSF) is driven throughout the subarachnoid space (SAS) and serves a variety of crucial functions. The behavior of CSF within the optic nerve subarachnoid space (ONSAS) has special interest because it is relatively unknown. Additionally, the effects of improper flow …
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Computational fluid dynamics modelling of fluid flow inside fractured reservoirs.
… on fractured media by using Computational Fluid Dynamic ANSYS CFD Fluent FVM to investigate fluid flow in many kinds of fractured media. These investigations ranged from simple and widely used fractured geometries to more complex ones. The research began with parallel plates fractures and …
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Atomistic engineering of fluid Structure at the fluid-solid interface
Under extreme confinement, fluids exhibit a number of remarkable effects that cannot be predicted using macroscopic fluid mechanics. These phenomena are especially pronounced when the confining length scale is comparable to the fluid's internal (molecular) length scale. Elucidating the physical …
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Viscous fluid sheets
… of the film, we assume that the transverse fluid velocity is small compared to the longitudinal one and perform a perturbation expansion to obtain the leading order equations when the center-surface that defines the coordinate system is parametrized by lines of curvature. We then focus on …
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Measurement and modeling of fluid-fluid miscibility in multicomponent hydrocarbon systems
… study involves the measurement and modeling of fluid-fluid miscibility in multicomponent hydrocarbon systems. A promising new vanishing interfacial tension (VIT) experimental technique has been further explored to determine fluid-fluid miscibility. Interfacial tension measurements have been …
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Fluid Agitation Studies for Drug Product Containers Using Computational Fluid Dynamics
… agitation process. To better understand the fluid movements to swirl the particles away from the walls, Computational Fluid Dynamics (CFD) is used to analyze the nature of the two phase flow of air and a liquid solution.</p> <p>Several 2-D and 3-D models were developed using Fluent to create …
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Surfactant Aggregation in the Bulk Fluid and at the Fluid-Wall Interface
… the formation of hemimicelles at the solid-fluid interface. Using a simple surfactant model consisting of Lennard-Jones sites connected by non-harmonic springs many features of real bulk surfactant solutions, including the critical micelle concentration (cmc), are reproduced. A series of NpT …
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Supercritical fluid extraction : a study of binary and multicomponent solid-fluid equilibria
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1981.
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Multi-fluid Plasma Modelling
… than the bulk of the plasma. Current plasma fluid treatments assume that the velocity distribution of each particle species is described by a Maxwell-Boltzmann distribution function, and so may not be accurate for plasmas with a significant energetic component. A new method of modelling …
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Multi-fluid Plasma Modelling
… than the bulk of the plasma. Current plasma fluid treatments assume that the velocity distribution of each particle species is described by a Maxwell-Boltzmann distribution function, and so may not be accurate for plasmas with a significant energetic component. A new method of modelling …
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Bio-inspired fluid locomotion
… number, for both Newtonian and non-Newtonian fluids: Robosnails 1 and 2, which operate on a lubrication layer, and the three-link swimmer which moves in an unbounded fluid. Robosnail 1 utilizes lubrication pressures generated in a Newtonian fluid under a steadily undulating foot to propel …
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Fluid dynamics in action
… effective field theory for nonlinear dissipative fluid dynamics. The formalism incorporates an action principle for the classical equations of motion as well as a systematic approach to thermal and quantum fluctuations around the classical motion of fluids. The dynamical degrees of freedom are …
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Catenaries in Viscous Fluid
Slender structures in fluid flow exhibit a variety of rich behaviors. Here we study the equilibrium shapes of perfectly flexible strings that are moving with a uniform velocity and axial flow in viscous fluid. The string is acted upon by local, anisotropic, linear drag forces and a uniform body …
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Capillary supercritical fluid chromatography
… a gas chromatograph for capillary supercritical fluid was demonstrated. The resulting instrument was used to characterize the performance of capillary columns manufactured specifically for SFC applications. The columns were tested for inertness, efficiency, and immobilization before and after …
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