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首页> 外文期刊>International journal of numerical methods for heat & fluid flow >Numerical study of flow around and through a porous diamond cylinder in different apex angles
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Numerical study of flow around and through a porous diamond cylinder in different apex angles

机译：不同顶角在多孔金刚石圆柱体周围流动的数值研究

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摘要

Purpose - The purpose of this paper is to study steady, laminar, and two-dimensional flow around and through a porous diamond cylinder. Design/methodology/approach - The governing equations are written for two zones: the clear fluid zone and the porous zone. For the porous zone, the modified Navier-Stokes equations, including Darcy, Brinkman, and Forcheimer terms are used. The governing equations are solved numerically using a finite volume approach. Findings - It was found that as the apex angle and Reynolds number decreases the wake length decreases and the separation is delayed. Originality/value - There is no published research in the literature about flow around and into porous diamond cylinders to study the effect of important parameters, such as apex angle, Darcy number, and Reynolds number.
机译：目的-本文的目的是研究围绕并通过多孔金刚石圆柱体的稳定，层流和二维流动。设计/方法/方法-为两个区域编写控制方程：透明流体区域和多孔区域。对于多孔区域，使用了修正的Navier-Stokes方程，包括Darcy，Brinkman和Forcheimer项。控制方程使用有限体积方法进行数值求解。发现-发现随着顶角和雷诺数的减小，尾流长度减小并且分离延迟。独创性/价值-文献中没有关于在多孔金刚石圆柱体周围流动和流入的研究，以研究重要参数（例如顶角，达西数和雷诺数）的影响。

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