Direct numerical simulation of a complex turbulent flow

Deshpande, MD and Shankar, PN (1994) Direct numerical simulation of a complex turbulent flow. Current Science, 66 (10). pp. 767-770.

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Abstract

Direct numerical simulations have been carried out of the viscous, unsteady flow in a three-dimensional cavity generated by the motion of one of its walls. These flows are known to be complex and difficult to compute even when the Reynolds numbers are low enough to permit steady, laminar flow in the cavity. We have now been successful in computing unsteady, transitional and turbulent flows in this geometry. At Reynolds numbers of 3200 and 10 000 our computations show excellent agreement with the experimental data of Prasad and Koseff. -Authors

Item Type: Journal Article
Uncontrolled Keywords: numerical model; Reynolds number; transitional flow; turbulent flow; unsteady flow; Modelling-Mathematical; Turbulent Flow;
Subjects: AERONAUTICS > Aerodynamics
Division/Department: Computational and Theoretical Fluid Dynamics Division, Computational and Theoretical Fluid Dynamics Division
Depositing User: Mr Vijaianand SK
Date Deposited: 10 Mar 2005
Last Modified: 24 May 2010 09:38
URI: http://nal-ir.nal.res.in/id/eprint/326

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