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Large-amplitude motion of a compressible fluid in the atmosphere

Published online by Cambridge University Press:  28 March 2006

Alfons J. Claus
Alfons J. Claus
Affiliation:
Bell Telephone Laboratories, Whippany, New Jersey
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Abstract

Large-amplitude atmospheric flows past mountain ridges are investigated. The flows are assumed to be steady and two-dimensional. Diffusive and viscous effects are neglected but static compressibility is taken into account.

The larger part of the investigation is devoted to the study of waves in the lee of mountain ridges. The major contribution consists in the treatment of the large-amplitude motion. The flows are governed by an equation which turns out to be linear for certain upstream conditions. These conditions impose some restrictions on the wind profile and stratification of the entropy and specific energy far upstream. However, flow patterns representing realistic upstream conditions have been obtained.

A comparison between a compressible flow and an incompressible flow with equivalent upstream conditions is included.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 19 , Issue 2 , June 1964 , pp. 267 - 289
Copyright
© 1964 Cambridge University Press

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