Time-periodic Heating of Rayleigh-Benard Convection

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2002Publisher:IOP PublishingJournal:Physica Scripta, volume 66, pages 59-65 (issn: 0031-8949, eissn: 1402-4896,

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Authors: Bhadauria, B. S.; Bhatia, P. K.;

doi: 10.1238/physica.regular.066a00059

Time-periodic Heating of Rayleigh-Benard Convection

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Abstract

Summary: The linear stability problem for a fluid in a classical Benard configuration is examined. In addition to a steady temperature difference between the walls of the fluid layer, a time-dependent perturbation is applied to the wall temperatures. The time-dependent perturbation is expressed in Fourier series. The shift in the critical Rayleigh number is calculated and it is found that it is possible to advance or delay the onset of convection. Some comparisons are made with the known results.

Related Organizations

Jai Narain Vyas University
India

Keywords

Hydrodynamic stability

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