Search for dissertations about: "Reynolds-stress model"
Showing result 1 - 5 of 37 swedish dissertations containing the words Reynolds-stress model.
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1. Modelling of stably-stratified, convective and transitional atmospheric boundary layers using the explicit algebraic Reynolds-stress model
Abstract : The atmospheric boundary layer (ABL) is in continuous turbulent motion. The heating and cooling of the Earth’s surface drives mechanic and thermodynamic processes in the ABL through enhancing and damping of atmospheric turbulence. The surface forcing has a profound effect on the diurnal cycle of temperature,wind and related variables in the ABL. READ MORE
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2. On Turbulence Modelling for Bilge Vortices: A Test of Eight Models for Three Cases
Abstract : This work is a test, in three steps, of turbulence models for the calculation of the flow field around ships. Eight models ranging from k-e and k-w models to a Reynolds-stress model (RSM) are tested. READ MORE
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3. Turbulence Modelling and Parallel Solver Development Relevant for Investigation of Gas Turbine Cooling Processes
Abstract : To enhance the performance of gas turbine engines, high top-cycle temperatures are desired. However, the temperature is limited by current materials. READ MORE
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4. Computational fluid-dynamics investigations of vortex generators for flow-separation control
Abstract : Many flow cases in fluid dynamics face undesirable flow separation due to ad-verse pressure gradients on wall boundaries. This occurs, for example, due togeometrical reasons as in a highly curved turbine-inlet duct or on flow-controlsurfaces such as wing trailing-edge flaps within a certain angle-of-attack range. READ MORE
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5. Turbulence modeling using automated code generation applied to asymmetric diffuser flow
Abstract : .... READ MORE