Rotational suppression of Rayleigh–Taylor instability

It is demonstrated that the growth of the mixing zone generated by Rayleigh–Taylor instability can be greatly retarded by the application of rotation, at least for low Atwood number flows for which the Boussinesq approximation is valid. This result is analysed in terms of the effect of the Coriolis...

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Bibliographic Details
Published in:Journal of fluid mechanics 2002-04, Vol.457, p.181-190
Main Authors: CARNEVALE, G. F., ORLANDI, P., ZHOU, YE, KLOOSTERZIEL, R. C.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fluid dynamics
Fluid mechanics
Fundamental areas of phenomenology (including applications)
Hydrodynamic stability
Numerical analysis
Physics
Surface-tension-driven instability
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Summary:It is demonstrated that the growth of the mixing zone generated by Rayleigh–Taylor instability can be greatly retarded by the application of rotation, at least for low Atwood number flows for which the Boussinesq approximation is valid. This result is analysed in terms of the effect of the Coriolis force on the vortex rings that propel the bubbles of fluid in the mixing zone.
ISSN:0022-1120
1469-7645
DOI:10.1017/S0022112002007772