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Rotational suppression of Rayleigh–Taylor instability

Published online by Cambridge University Press:  09 April 2002

G. F. CARNEVALE ,
P. ORLANDI ,
YE ZHOU  and
R. C. KLOOSTERZIEL
G. F. CARNEVALE
Affiliation:
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093-0225, USA
P. ORLANDI
Affiliation:
Dipartimento di Meccanica e Aeronautica, University of Rome, ‘La Sapienza’, via Eudossiana 18, 00184 Roma, Italy
YE ZHOU
Affiliation:
University of California, Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA 94551, USA
R. C. KLOOSTERZIEL
Affiliation:
School of Ocean & Earth Science & Technology, University of Hawaii, Honolulu, HI 96822, USA
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Abstract

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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.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 457 , 25 April 2002 , pp. 181 - 190
Copyright
© 2002 Cambridge University Press