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Showing 1 to 20 of 1809 for “"Fluid Dynamics"”.
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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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Nontraditional approximation in geophysical fluid dynamics
In the conventional approach to geophysical fluid dynamics, only the horizontal components of the Coriolis force due to horizontal motions of the fluid are taken into account. All the other components of the Coriolis force, which are called the non-traditional (NT) terms, are considered to be small …
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Fluid dynamics of boundary layer combustion
… layer, representing a marriage of thermal, fluid, and combustion sciences, have been studied for decades by the scientific community. However, the role of coherent structures within the three-dimensional flow field is largely untouched. In particular, little knowledge exists regarding …
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Nonlinear fluid dynamics in complex geometries
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Interfacial Fluid Dynamics in Porous Media
A beautiful array of patterns emerges when one fluid displaces another in porous media, a physical situation prevalent in many clean energy production and storage applications. These patterns can be reminiscent of dielectric breakdown, diffusion-limited growth of crystals, or percolation clusters …
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Fluid dynamics of biological and mechanical olfaction
… olfaction. In this dissertation, we focus on the fluid mechanics of olfaction. We used a combined experimental and theoretical approach, with particular emphasis on building machines that can mimic the olfaction of animals. We show that many animals have a hierarchical structure to their olfaction …
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Fluid dynamics of pulsating jets and voice
Vortical structure plays a significant role in flow mechanisms that impact our everyday life.
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Fluid Dynamics Characterization of Transcatheter Aortic Valves
… (TAVs) have limited clinical data in term of fluid dynamics performance of TAVs, in contrast to surgical aortic valves (SAVs). Due to limitations associated with devices that are used to evaluate the performance of TAVs in patients such as echocardiography, magnetic response imaging (MRI) and …
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Fluid Dynamics Simulations on Multi-GPU Systems
… and testing of the multi-GPU version of two fluid flow simulation models, focusing on the cellular automaton MAGFLOW lava flow simulator and the GPU-SPH model for Navier-Stokes. In both cases, a spatial subdivision of the domain is performed, with a minimal overlap to ensure the correct …
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An action principle for dissipative fluid dynamics
Fluid dynamics is the universal theory of low-energy excitations around equilibrium states, governing the physics of long-lived modes associated with conserved charges. Historically, fluid dynamics has been formulated at the level of equations of motion, in terms of a local fluid velocity and …
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Continuum limit of lattice gas fluid dynamics
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1992.
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Fluid Dynamics in Liquid Entry and Exit
… there are no existing previous studies on the dynamics of the contact line on a sinking object. This subject will be first discussed in Chapter 2. In Chapters 3 and 4, the topics related to liquid-exit will be discussed, where a solid sphere exits out of a liquid toward air with constant …
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Interfacial fluid dynamics inspired by natural systems
… leaf surfaces and animals that intake fluids in a variety of ways are all examples of these systems. Plants and animals exploit interfacial fluid dynamics in a variety of ways to survive in numerous harsh environments. In this thesis, five studies, inspired by natural interactions with …
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Unsteady Viscous Cavity Flow Using Computational Fluid Dynamics
<p>The problem of unsteady viscous incompressible flow in a two-dimensional cavity is treated using the unsteady incompressible Navier-Stokes equations with various initial and boundary conditions. First the case of a square cavity with one inlet and one outlet is treated in steady and unsteady …
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The Convex Integration Paradigm in Stochastic Fluid Dynamics
… partial differential equations in the realm of fluid dynamics, with particular emphasis on the incompressible Navier--Stokes equations and shear-thinning fluid flows. <br /><br /> The method of convex integration, discussed in Part I, is a highly flexible technique in the analysis of stochastic …
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Computational fluid dynamics modelling of displacement natural ventilation.
… have been developed using computational fluid dynamics (CFD) in order to evaluate the accuracy with which CFD is able to model natural displacement ventilation flow. The first benchmark considers the natural ventilation of a single ventilated space with high and low level openings …
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The Effective Field Theory Approach to Fluid Dynamics
In this thesis we initiate a systematic study of fluid dynamics using the effective field theory (EFT) program. We consider the canonical quantization of an ordinary fluid in an attempt to discover if there is some kind of quantum mechanical inconsistency with ordinary fluids at zero temperature. …
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The fluid dynamics of pressure die casting processes
… investigations, which leads to the creation of fluid dynamic mathematical models of the process. On the basis of Chapter 2, Chapter 3 concentrates on dealing with the computer simulation of filling flow patterns occurring in the third stage that play the most important role in the process. The …
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