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dc.contributor.authorMalashetty M.S
dc.contributor.authorSwamy M.
dc.date.accessioned2020-06-12T15:05:56Z-
dc.date.available2020-06-12T15:05:56Z-
dc.date.issued2007
dc.identifier.citationInternational Journal of Thermal Sciences , Vol. 46 , 10 , p. 1023 - 1032en_US
dc.identifier.uri10.1016/j.ijthermalsci.2006.12.007
dc.identifier.urihttp://gukir.inflibnet.ac.in:8080/jspui/handle/123456789/5002-
dc.description.abstractThe effect of rotation and anisotropy on the onset of convection in a horizontal porous layer is investigated using a linear theory and a weak nonlinear theory. The linear theory is based on the usual normal mode technique and the nonlinear theory on the truncated Fourier series analysis. Darcy model extended to include time derivative and Coriolis terms with anisotropic permeability is used to describe the flow through porous media. A modified energy equation including the thermal anisotropy is used. The effect of rotation, mechanical and thermal anisotropy parameters and the Prandtl number on the stationary and overstable convection is discussed. It is found that the effect of mechanical anisotropy is to allow the onset of oscillatory convection instead of stationary. It is also found that the existence of overstable motions in case of rotating porous medium is not restricted to a particular range of Prandtl number as compared to the pure viscous fluid case. The steady finite amplitude analysis is performed using truncated Fourier series to find the Nusselt number. The effect of various parameters on heat transfer is investigated. © 2007 Elsevier Masson SAS. All rights reserved.en_US
dc.subjectAnisotropy
dc.subjectPorous medium
dc.subjectRotation
dc.subjectThermal convection
dc.titleThe effect of rotation on the onset of convection in a horizontal anisotropic porous layeren_US
dc.typeArticle
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