倾斜多孔矩形腔内自然对流的非标准有限差分格式

2015 International Conference on Electrical Engineering and Informatics (ICEEI) Pub Date : 2015-12-17 DOI:10.1109/ICEEI.2015.7352582

Zaihar Yaacob, M. Hasan

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引用次数: 4

摘要

对倾斜多孔矩形腔内的自然对流进行了数值研究。假设空腔水平壁面为绝热壁面，右壁面温度呈空间正弦变化，平均温度为常数，左壁面温度为冷却壁面。在均匀矩形网格上采用非标准有限差分法求解控制方程，采用逐次上、下松弛法求解代数方程。研究了腔倾角对腔内自然对流的影响。所得结果与经典有限差分格式进行了比较。

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Nonstandard finite difference schemes for natural convection in an inclined porous rectangular cavity

The natural convection in an inclined porous rectangular cavity is investigated numerically. The cavity horizontal walls were assumed to be adiabatic while the right wall has spatial sinusoidal temperature variations about a constant mean value and the left wall is cooled. The governing equations were solved using nonstandard finite difference method on uniform rectangular meshes and solution of algebraic equations was made based on successive over and under relaxation method. The effects of the inclination angle of the cavity on the natural convection inside the cavity were studied. Results obtained were compared with the classical finite difference scheme.

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2015 International Conference on Electrical Engineering and Informatics (ICEEI)

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