Investigation of turbulence models for two dimensional mean flows and implementation in OpenFOAM

Examensarbete för masterexamen

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Type: Examensarbete för masterexamen
Master Thesis
Title: Investigation of turbulence models for two dimensional mean flows and implementation in OpenFOAM
Authors: Lalit, Manan
Abstract: With an intention of discovering the best RANS model for modeling impinging flows, linear epsilon - based models(`Chien's Low Reynolds' and -f') and non-linear( and !- based) EARSM formulations were implemented on OpenFOAM-2.2.x and validated against two dimensional, developed channel flow geometries. The project arose from the need to capture flow arising from a flame impingement on the walls of an (internal combustion) engine cylinder. The objective desired from this project is to achieve directives regarding `optimal' turbulence models, defined as those which sufficiently reproduce the flow dynamics, and are applicable over a wide variety of meshes, while not being too costly on the computational front. A rating scheme for judging the quality of turbulence models, based on the aforementioned three characteristics, is discussed as part of the conclusions from this thesis project.
Keywords: Strömningsmekanik och akustik;Hållbar utveckling;Transport;Fluid Mechanics and Acoustics;Sustainable Development;Transport
Issue Date: 2014
Publisher: Chalmers tekniska högskola / Institutionen för tillämpad mekanik
Chalmers University of Technology / Department of Applied Mechanics
Series/Report no.: Diploma work - Department of Applied Mechanics, Chalmers University of Technology, Göteborg, Sweden : 2014:78
Collection:Examensarbeten för masterexamen // Master Theses

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