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首页> 外文期刊>International journal of numerical methods for heat & fluid flow >Nanoparticle transportation of CuO-H_2O nanofluid in a porous semi annulus due to Lorentz forces
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Nanoparticle transportation of CuO-H_2O nanofluid in a porous semi annulus due to Lorentz forces

机译：洛仑兹力在多孔半环中CuO-H_2O纳米流体的纳米颗粒传输

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Purpose The purpose of this paper is to research on CuO-water nanofluid Non-Darcy flow because of magnetic field. Porous cavity has circular heat source and filled with nanofluid. Lattice Boltzmann Method (LBM) has been used to simulate this problem. Design/methodology/approach In this research, LBM has been applied as mesoscopic approach to simulate water-based nanofluid free convection. Koo-Kleinstreuer-Li model is used to consider Brownian motion impact on nanofluid properties. Impacts of Rayleigh number, Darcy number, nanofluid volume fraction and Hartmann number on heat transfer treatment are illustrated. Findings It is found that temperature gradient decreases with rise of while it enhances with augment of Ha. Darcy number can enhance the convective flow. Originality/value The originality of this work is to analyze the to investigate magnetic field impact on water based CuO-H2O nanofluid natural convection inside a porous cavity with elliptic heat source.
机译：目的本文的目的是研究磁场引起的CuO-水纳米流体非达西流动。多孔腔具有圆形热源，并充满纳米流体。格子玻尔兹曼方法（LBM）已用于模拟此问题。设计/方法/方法在这项研究中，LBM已被用作介观方法来模拟水基纳米流体自由对流。 Koo-Kleinstreuer-Li模型用于考虑布朗运动对纳米流体特性的影响。说明了瑞利数，达西数，纳米流体体积分数和哈特曼数对传热处理的影响。结果发现，温度梯度随着的升高而降低，而随着Ha的增加而升高。达西数可以增强对流流动。创意/价值这项工作的创意是分析磁场对带有椭圆形热源的多孔腔内水基CuO-H2O纳米流体自然对流的影响。

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