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首页> 外文期刊>Journal of the Chinese Society of Mechanical Engineers, Series C: Transactions of the Chinese Society of Mechanical Engineers >Mixed Convection Boundary Layer Flow over an Inclined Plate Embedded in a Tridisperse Porous Medium
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Mixed Convection Boundary Layer Flow over an Inclined Plate Embedded in a Tridisperse Porous Medium

机译：在三分散多孔介质中嵌入的斜板上的混合对流边界层流

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摘要

This work studies the mixed convection boundary layer flow over an inclined plate embedded in a tridisperse porous medium with constant wall temperature. The three-velocity three-temperature formulation is used to derive the governing partial differential equations. The order-of-magnitude analysis is then used to derive the boundary layer equations in terms of the Darcy-Rayleigh number. The cubic spline collocation method is then used to solve the boundary layer partial differential equations. The effects of mixed convection parameters, two permeability ratios, two inter-phase heat transfer parameters, and three modified thermal conductivity ratios on the heat transfer of the tridisperse porous medium are studied. Results show that increasing the mixed-convection parameter, three modified thermal conductivity ratios or the two permeability ratios tends to increase the mixed convection heat transfer rate of the inclined plate in a tridisperse porous medium. Moreover, the thermal non-equilibrium effects in tridisperse porous media become significant as the two inter-phase heat transfer parameters of the mixed convection about the inclined plate are small.
机译：这项工作研究了在壁温恒定的情况下，斜盘上的混合对流边界层流动，该斜盘嵌入三分散多孔介质中。三速三温公式用于导出控制偏微分方程。然后使用量级分析来根据达西-瑞利数推导边界层方程。然后使用三次样条搭配方法求解边界层偏微分方程。研究了混合对流参数，两个渗透率比，两个相间传热参数以及三个修正的导热率对三分散多孔介质传热的影响。结果表明，增加混合对流参数，三个修正的导热率比或两个渗透率比，往往会增加三分散多孔介质中斜板的混合对流传热速率。此外，随着围绕倾斜板的混合对流的两个相间传热参数变小，三分散多孔介质中的热非平衡效应变得明显。

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