自然对流在不同的加热腔与加热和冷却圆柱

Proceedings of the 3rd International Conference on Networking, Information Systems & Security Pub Date : 2020-03-31 DOI:10.1145/3386723.3387885

L. E. Moutaouakil, M. Boukendil, Z. Zrikem, A. Abdelbaki

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引用次数: 0

摘要

本文采用LBM方法模拟了两个内圆柱体保持不同温度的差热腔内空气的自然对流流动和热行为。分析了两圆柱体在腔内不同排列方式的几种构型，即Bh—TC、BB—Th、Mh—MC和MC—Mh。结果以流线和等温线的形式呈现在瑞利数Ra(103-106)的选定范围内。研究结果表明，腔内圆柱的布置对腔内流动结构有较大影响。

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Natural Convection in a Differentially Heated Cavity with a Heated and Cooled Circular Cylinders

In this paper, the LBM method is used to simulate the natural convective flow and thermal behaviors of air inside a differentially heated cavity containing two inner circular cylinders maintained at different temperatures. Several configurations namely Bh -- TC, BB -- Th, Mh -- MC and MC -- Mh corresponding to different possible arrangements of the two cylinders inside the cavity were analyzed. The results are presented in the form of streamlines and isotherms for a selected range of the Rayleigh number Ra (103-106). The obtained results show that the arrangement of the cylinders inside the cavity considerably affects the flow structure in the cavity.

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Proceedings of the 3rd International Conference on Networking, Information Systems & Security

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