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首页> 外文会议>BSME International Conference on Thermal Engineering >Numerical Simulation of MHD Free Convection Flow in a Differentially Heated Square Enclosure with Tilted Obstacle
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Numerical Simulation of MHD Free Convection Flow in a Differentially Heated Square Enclosure with Tilted Obstacle

机译：具有倾斜障碍物差动方形外壳中MHD自由对流流的数值模拟

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A numerical study has been carried out to analyze the flow and heat transfer characteristics due to the effects of magnetohydrodynamic free convection flow in a differentially heated enclosure having a hot tilted square block. The vertical and horizontal walls of the cavity are non-uniformly heated while the walls of the tilted block are uniformly heated. The basic partial differential equations of the physical problem are solved numerically using finite element technique along with Galerkin's weighted residual simulation. Calculations have been performed for different values of buoyancy parameter (10~2 ≤ Ra ≤ 10~5) and magnetic field parameter (0 ≤ Ha ≤ 60) and obtained results are illustrated in terms of streamlines, isotherms, average Nusselt number and average temperature. The results show that the flow pattern and temperature distributions affected noticeably for the effect of aforementioned parameters. In addition, an increase in average Nusselt number is found for the whole range of Rayleigh number and average temperature decreased for increasing Rayleigh number. Comparison between the obtained results and the previously published results on the basis of special case is a good agreement.
机译：已经进行了数值研究，以分析流动和传热特性由于磁性动力学自由对流流动在具有热倾斜方块的差动外壳中的效果。腔的垂直和水平壁不均匀地加热，而倾斜块的壁均匀加热。物理问题的基本部分微分方程在数值上使用有限元技术来解决，以及Galerkin的加权残留仿真。已经对浮力参数（10〜2≤Ra≤10〜5）的不同值进行了计算，并且磁场参数（0≤HA≤60）并以精简，等温机构，平均营养数和平均温度表示得到的结果。结果表明，流动模式和温度分布显着影响上述参数的效果。另外，在瑞利数增加的情况下，发现平均篮区数量的增加的射灯数量和平均温度降低。在特殊情况的基础上获得的结果与先前公布的结果之间的比较是一个很好的一致性。

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