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A. Mojtabi, J. K. Platten, M.-C. Charrier-Mojtabi

Onset of Free Convection in Solutions with Variable Soret Coefficients

It is not unusual for a Soret coefficient to change sign with temperature. We develop the theory for the onset of convection in such systems, heated from below or from above, provided that the mean temperature is precisely that at which the change of sign occurs. We also consider the realistic case of rigid, conducting, impervious boundaries for later comparison with laboratory experiments.

Journal of Non-Equilibrium Thermodynamics, Walter de Gruyter

Print ISSN: 0340-0204
Volume: 27, 05/2002
Pages: 25 - 44

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