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首页> 外文期刊>International Journal of Heat and Mass Transfer >Non-continuum effects on natural convection-radiation boundary layer flow from a heated vertical plate
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Non-continuum effects on natural convection-radiation boundary layer flow from a heated vertical plate

机译：加热垂直板对自然对流辐射边界层流动的非连续影响

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摘要

Heat transfer by simultaneous radiation and natural convection through an optically thick fluid over a heated vertical plate has been studied with first-order momentum and thermal non-continuum boundary conditions. The radiant heat flux was treated using the Rosseland diffusion approximation. By solving the local non-similarity two-equation model, numerical solutions were obtained to examine the slip effects on the interaction between radiation and natural convection for a range of rarefied conditions and radiation effects. Results including slip velocity, temperature jump, skin friction, and heat transfer rate are presented graphically and discussed. In addition, an integral correlation is presented for the average Nusselt number as a function of the non-continuum conditions, radiation-conduction parameter, and flow properties.
机译：已经通过一阶动量和热非连续边界条件研究了通过同时辐射和自然对流通过光学厚度的流体在加热的垂直板上的传热。使用Rosseland扩散近似法处理辐射热通量。通过求解局部非相似性两方程模型，获得了数值解，以研究一系列稀疏条件和辐射效应对辐射与自然对流相互作用的滑动效应。图形显示并讨论了滑移速度，温度跃变，皮肤摩擦和热传递率等结果。另外，还给出了平均努塞尔数与非连续条件，辐射传导参数和流动特性的函数的积分相关性。

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