Long waves in inviscid compressible atmospheres: isothermal atmosphere

Sachdev, P. L. ; Seshadri, V. S. (1979) Long waves in inviscid compressible atmospheres: isothermal atmosphere Physics of Fluids, 22 (1). pp. 60-67. ISSN 0031-9171

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Official URL: http://pof.aip.org/resource/1/pfldas/v22/i1/p60_s1...

Related URL: http://dx.doi.org/10.1063/1.862435

Abstract

Solitary waves and cnoidal waves have been found in an adiabatic compressible atmosphere which, under ambient conditions, has winds, and is isothermal. The theory is illustrated with an example for which the background wind is linearly increasing. It is found that the number of possible critical speeds of the flow depends crucially on whether the Richardson number is greater or less than one-fourth.

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