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The influence of low-conductivity boundaries on time-dependent convection

Published online by Cambridge University Press:  24 August 2001

F. H. BUSSE  and
M. PETRY
F. H. BUSSE
Affiliation:
Institute of Physics, University of Bayreuth, D-95440 Bayreuth, Germany
M. PETRY
Affiliation:
Institute of Physics, University of Bayreuth, D-95440 Bayreuth, Germany
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Abstract

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The in uence of the thermal conductivity of rigid boundaries is analysed for the case when the onset of convection occurs in the form of a time-dependent mode. A new form of long-wavelength convection is found which is disjunct from the high-wavenumber thermal Rossby wave in the presence of infinitely conducting boundaries usually considered.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 442 , 10 September 2001 , pp. 293 - 301
Copyright
© 2001 Cambridge University Press