J. Phys. II France
Volume 2, Numéro 5, May 1992
Page(s) 995 - 999
DOI: 10.1051/jp2:1992182
J. Phys. II France 2 (1992) 995-999

Onset of zero Prandtl number convection

E. Knobloch

Observatoire Midi-Pyrenées, 14 Avenue Edouard Belin, F31400 Toulouse, France

(Received 12 November 1991, accepted in final form 17 Febraury 1992)

The transition to convection in a zero Prandtl number fluid with stress-free and perfectly conducting boundaries differs significantly from finite Prandtl number convection, giving rise to a three-dimensional pattern. Two possible scenarios are described and compared with recent numerical simulations by Thual [1].

47.20 - 47.25

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