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Wave-induced boundary layers in a stratified fluid

Published online by Cambridge University Press:  29 March 2006

R. E. Kelly
R. E. Kelly
Affiliation:
School of Engineering and Applied Science, University of California, Los Angeles, California
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Abstract

The boundary layers associated with gravity waves in a fluid with a linear variation of density are discussed in order to examine the steady Eulerian velocities induced by the Reynolds stress. For the case of a standing wave, the induced steady motion is shown to decay in an outer boundary layer which represents a balance between buoyancy and diffusion when the wave slope is sufficiently small but when viscous decay effects are even smaller. When the wave slope is larger, it would appear that two outer regions must be considered. Results for progressive waves are discussed only briefly, as they are qualitatively similar to the surface wave case.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 42 , Issue 1 , 4 June 1970 , pp. 139 - 150
Copyright
© 1970 Cambridge University Press

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