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Free convection in a square enclosure with a finned plate

机译:在带有翅片板的方形外壳中自由对流

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摘要

The study goes further to investigate numerically the effect of a finned plate on the heat transfer and fluid flow in a square enclosure with isothermal boundary conditions for a range of the Rayleigh numbers 10(3)-10(6). The governing equations under Boussinesq approximation are solved in their dimensionless form by means of the finite volume method. Results for the cases computed are presented in terms of streamlines, isotherms and Nusselt numbers and show the condition of the enhancement of heat transfer from the finned plate to the surrounding cavity walls. They reveal that the heat and flow fields are dependent on the Rayleigh number and several geometrical ratio parameters.
机译:该研究进一步研究了在瑞利数为10(3)-10(6)的情况下,在等温边界条件下,方形板中翅片对传热和流体流动的影响。 Boussinesq近似下的控制方程通过有限体积法以无量纲形式求解。所计算案例的结果以流线,等温线和Nusselt数表示,并显示了从翅片向周围空腔壁传热增强的条件。他们发现,热场和流场取决于瑞利数和几个几何比率参数。

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