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Modelling the rapid spherical compression of isotropic turbulence

Coleman, G.N. and Mansour, N.N. (1991) Modelling the rapid spherical compression of isotropic turbulence Physics of Fluids A: Fluid Dynamics, 3, pp. 2255-2259. (doi:10.1063/1.857906).

Record type: Article


Rapid distortion analysis is used to modify the form of the closure model for the dissipation rate of the turbulent kinetic energy. The modification is such that the evolution of the dissipation rate during a rapid compression is predicted exactly; good agreement between the model prediction and direct simulation data is obtained. Previous closure proposals fail to properly predict the rapid compression case. The reason for the difference between the present and previous models is traced to the fact that previous workers neglected variations of kinematic viscosity

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Published date: 1991
Organisations: Engineering Sciences


Local EPrints ID: 71986
ISSN: 0899-8213
PURE UUID: 3f2aa546-8186-42e1-a0d6-20440a1326ce

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Date deposited: 14 Jan 2010
Last modified: 18 Jul 2017 23:57

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Author: G.N. Coleman
Author: N.N. Mansour

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