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The Rayleigh–Benard problem in extremely confined geometries with and without the Soret effect

Platten, Jean K. and Marcoux, Manuel and Mojtabi, Abdelkader The Rayleigh–Benard problem in extremely confined geometries with and without the Soret effect. (2007) Comptes Rendus Mécanique, 335 (9-10). 638-654. ISSN 1631-0721

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Official URL: https://doi.org/10.1016/j.crme.2007.08.011

Abstract

We examine the linear stability of a liquid layer heated from below (the classical Rayleigh–Benard problem) but laterally confined between four vertical rigid and adiabatic boundaries. The main feature of the present study is that the height of the layer is much greater than the two other horizontal dimensions. The Soret effect is also taken into account. The ultimate objective of the study is a better knowledge of the operation of thermogravitational columns, and the search for a possible new way to measure positive Soret coefficients based on the variation of the critical Rayleigh number.

Item Type:Article
HAL Id:hal-01946148
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université de Mons - UMONS (BELGIUM)
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Deposited By: Isabelle Perez
Deposited On:22 Nov 2018 14:27

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