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Large-eddy simulation of a passive scalar in isotropic turbulence

Published online by Cambridge University Press:  20 April 2006

M. Antonopoulos-Domis
M. Antonopoulos-Domis
Affiliation:
Department of Nuclear Engineering, Queen Mary College, Mile End Road, London El 4NS
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Abstract

TEMTY, a code for large-eddy simulation of a passive scalar in isotropic turbulence, is developed and proved by successful simulation of experiment. The role of each term in the scalar equation and the concept of prefiltering the scalar equation is examined. The ratio of the exponents in the decay of velocity and temperature intensities is found to parametrize with the ratio Λu/Λ0, where Λu, Λ0, are the velocity and temperature Taylor microscales respectively.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 104 , March 1981 , pp. 55 - 79
Copyright
© 1981 Cambridge University Press

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