Direct Numerical Simulation of Turbulence in a Model Solid Rocket Motor
Venugopal, Prem
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Permalink
https://hdl.handle.net/2142/83804
Description
Title
Direct Numerical Simulation of Turbulence in a Model Solid Rocket Motor
Author(s)
Venugopal, Prem
Issue Date
2003
Doctoral Committee Chair(s)
Moser, Robert D.
Department of Study
Mechanical Engineering
Discipline
Mechanical Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Fluid and Plasma
Language
eng
Abstract
The direct numerical simulation database is also used to make a priori estimates of the relative magnitudes of subgrid terms in the filtered evolution equations. It is found that in the equations for mean momentum and resolved scale Reynolds stress, the dominant subgrid terms are the subgrid stress terms. The contribution of subgrid stress to wall normal transport and dissipation in the resolved scale turbulent kinetic energy equation are similar to those observed in turbulent channel flows.
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