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natural convection in a rectangular cavity filled with an anisotropic porous medium

机译:充满各向异性多孔介质的矩形空腔中的自然对流

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A study is made of natural convection heat transfer in a cavity filled with an anisotropic porous medium. The vertical walls are respectively heated and cooled isothermally, while the top and bottom walls are adiabatic. The porous medium is anisotropic in thermal conductivity with its principal axes oriented in a direction that is oblique to the gravity vector. Governing parameters of the problem under study are the Rayleigh number R, aspect ratio of the cavity A, the thermal conductivity ratio k~* and the angle of the principal axis #theta#. A numerical study is performed to assess and extend the results of the analytical predictions.
机译:对填充有各向异性多孔介质的空腔中的自然对流传热进行了研究。垂直壁分别被等温加热和冷却,而顶壁和底壁是绝热的。多孔介质的导热率是各向异性的,其主轴线定向在与重力矢量倾斜的方向上。研究中的问题的主要控制参数是瑞利数R,腔体A的长宽比,导热系数k〜*和主轴线#theta#的角度。进行了数值研究,以评估和扩展分析预测的结果。

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