Journal of Fluid Mechanics



A note on the stability of steady inviscid helical gas flows


Knut S.  Eckhoff a1 and Leiv  Storesletten a2
a1 Department of Mathematics, Allégt. 53-55, 5014 Bergen-Universitetet, Norway
a2 Department of Mathematics, Agder Regional College, Boks 607, 4601 Kristiansand, Norway

Article author query
eckhoff ks   [Google Scholar] 
storesletten l   [Google Scholar] 
 

Abstract

A necessary condition for linear stability of steady inviscid helical gas flows is found by the generalized progressing-wave expansion method. The criterion obtained is compared with the known Richardson number criteria giving sufficient conditions for stability.

(Published Online April 19 2006)
(Received October 25 1977)
(Revised April 24 1978)



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