Kausik S Das et al 2009 Nonlinearity 22 2981 doi:10.1088/0951-7715/22/12/010
Kausik S Das1,3, Stephen W Morris1 and A Bhattacharyay2
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We describe the effect of vibration on a confined volume of fluid which is density stratified due to its compressibility. We show that internal gravity-acoustic waves can be parametrically destabilized by the vibration. The resulting instability is similar to the classic Faraday instability of surface waves, albeit modified by the compressible nature of the fluid. It may be possible to observe experimentally near a gas–liquid critical point.
47.40.-x Compressible flows; shock and detonation phenomena
76Q05 Hydro- and aero-acoustics
Issue 12 (December 2009)
Received 21 February 2009, in final form 5 October 2009
Published 13 November 2009
Kausik S Das et al 2009 Nonlinearity 22 2981
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