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首页> 外文会议>BSME International Conference on Thermal Engineering >Numerical Study of MHD Mixed Convection Heat Transfer of Nanofluid in a Lid-driven Porous Rectangular Cavity with Three Square Heating Blocks
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Numerical Study of MHD Mixed Convection Heat Transfer of Nanofluid in a Lid-driven Porous Rectangular Cavity with Three Square Heating Blocks

机译：三方加热块盖上多孔矩形腔中纳米流体MHD混合对流传热的数值研究

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摘要

The present numerical study explores the MHD mixed convection heat transfer of nanofluid in a lid-driven porous rectangular cavity with three square heating blocks. Governing equations are solved using the finite element method. The top and bottom walls of the enclosure are maintained at temperature T_c. The left and right walls are kept adiabatic. Three square heating block inside the enclosure. To investigate the effects of Darcy number and Richardson number on the fluid flow and heat transfer characteristics inside the enclosure. A set of graphical results are presented in terms of streamlines, isotherms, dimensionless temperature, velocity profiles and average Nusselt number. The results reveal that heat transfer rate increase as increasing Darcy number and Richardson number. It is observed that, Darcy number is a good control parameter for heat transfer in fluid flow through porous medium in enclosure. Moreover, Cu-water nanofluid has greater merit to be used for heat transfer enhancement. The method used is validated against previous works.
机译：本数值研究探讨了具有三个方形加热块的盖驱动多孔矩形腔中纳米流体的MHD混合对流热传递。使用有限元方法解决了管理方程。外壳的顶壁保持在温度T_C。左右墙体保持绝热。外壳内的三个方形加热块。探讨达西数和理查森数对外壳内流体流动和传热特性的影响。一组图形结果以简化，等温线，无量纲温度，速度分布和平均营养数呈列。结果表明，随着达西数和理查森数量的增加，传热率增加。观察到，达西数是通过外壳中的多孔介质在流体流动中传热的良好控制参数。此外，Cu水纳米流体具有更大的可用于传热增强的优点。使用的方法验证了以前的作品。

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