Macroscopic Turbulence Modeling and Simulation for Flow Through Porous Media
Teruel, Federico E.
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https://hdl.handle.net/2142/85916
Description
Title
Macroscopic Turbulence Modeling and Simulation for Flow Through Porous Media
Author(s)
Teruel, Federico E.
Issue Date
2007
Doctoral Committee Chair(s)
Uddin, Rizwan
Department of Study
Nuclear Engineering
Discipline
Nuclear Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Nuclear
Language
eng
Abstract
Preliminary validation of the model is carried out by simulating a free stream entering the porous medium under consideration. Simulations are carried out for 75% and 95% porosities. Different inlet turbulence intensities are imposed on the free stream to test the model under different macroscopic boundary conditions. Microscopic RANS solutions for the turbulence quantities ( k and &egr;) are averaged in space and compared with those yielded by the porous media model. The model is shown to fairly predict macroscopic turbulence quantities under different testing conditions. Results encourage further validation of the model in more complex porous media geometries.
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