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Weakly non-linear Marangoni instability in the presence of a magnetic field

✍ Scribed by M. Hannaoui; G. Lebon

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
727 KB
Volume
41
Category
Article
ISSN
0017-9310

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✦ Synopsis

Weakly non-linear Marangoni convection in a horizontal layer of an electrically conducting fluid heated from below and submitted to a uniform vertical magnetic field is investigated. The influence of the strength of the magnetic field on the nature of the convective patterns and their stability is analyzed by using the amplitude method. To examine the role of the thermal properties of the lower rigid boundaries, two different situations are, respectively, treated, namely a perfectly heat conducting and an adiabatically isolated wall. The presence of a subcritical region whose area generally decreases with the magnetic field is displayed. @ 1998 Elsevier Science Ltd.

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