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On energy and enstrophy exchanges in two-dimensional non-divergent flow

Published online by Cambridge University Press:  29 March 2006

Philip E. Merilees  and
Helen Warn
Philip E. Merilees
Affiliation:
University Corporation for Atmospheric Research, Boulder, Colorado 80303 Present address: Department of Meteorology, McGill University, Montreal, Quebec, Canada.
Helen Warn
Affiliation:
Department of Meteorology, McGill University, Montreal, Quebec, Canada
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Abstract

It is shown that, in two-dimensional non-divergent flow in a bounded region, roughly 70% of triad interactions exchange more energy with longer wavelengths than with shorter wavelengths whilst roughly 40% exchange more enstrophy with longer wavelengths than with shorter wavelengths.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 69 , Issue 4 , 24 June 1975 , pp. 625 - 630
Copyright
© 1975 Cambridge University Press

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