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Anticonvective, steady and oscillatory mechanisms of instability in multi-layer systems

โœ Scribed by Ilya B. Simanovskii

Book ID
104297095
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
738 KB
Volume
102
Category
Article
ISSN
0167-2789

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โœฆ Synopsis

Convective instabilities of the three fluid layer system in a closed cavity are investigated. Two variants of heating -from above and from below -are considered. For the case of heating from above, the so-called anticonvective instability is obtained. For heating from below an oscillatory thermogravitational mechanism, essentially connected with the interaction of both interfaces, is found. The evolution of the oscillations in the nonlinear region leads to the onset of a new steady state.

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