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Rayleigh-Benard Instability in a Horizontal Porous Layer Affected by Rotation

机译:旋转影响水平多孔层中的瑞利贝纳德不稳定性

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This study examines the Benard convection of an infinite horizontal porous layer permeated by an incompressible thermally conducting viscous fluid in the presence of Coriolis forces. The porous layer is controlled by the Brinkman model. Analytical and numerical solutions are obtained for the cases of stationary convection and overstability. The critical thermal Rayleigh numbers are obtained for different values of the permeability of porous medium, Chandrasekhar number and Taylor number for different boundary conditions. The related eigenvalue problem is solved using the Chebyshev polynomial Tau method.
机译:这项研究研究了在科里奥利力的作用下,不可压缩的导热粘性流体渗透的无限水平多孔层的贝纳德对流。多孔层由Brinkman模型控制。对于稳态对流和超稳定情况,获得了解析和数值解。对于多孔介质的渗透率的不同值,不同边界条件下的Chandrasekhar数和Taylor数,获得了临界热瑞利数。使用Chebyshev多项式Tau方法可以解决相关的特征值问题。

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