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首页> 外文期刊>International Journal of Heat and Mass Transfer >Soret and heat source effects on the unsteady radiative MHD free convection flow from an impulsively started infinite vertical plate
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Soret and heat source effects on the unsteady radiative MHD free convection flow from an impulsively started infinite vertical plate

机译：脉冲和无限热源对脉冲启动无限垂直板中非稳态辐射MHD自由对流的影响

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摘要

The heat and mass transfer characteristics of the unsteady electrically conducting fluid flow past a suddenly started vertical infinite flat plate are taken into account in this paper. The radiation and heat absorption/generation effects for two distinct types of thermal boundary conditions are accounted for. Derivation of exact analytical solutions are aimed under different physical properties. The velocity, concentration and temperature profiles, skin friction coefficient, Sherwood number and Nusselt number are easily examined and discussed via the closed forms obtained. In particular, the Sherwood and Nusselt numbers are found evolve into their steady state case in the large time limit. The results obtained here may be further used to verify the validity of obtained numerical solutions for more complicated transient free convection fluid flow problems.
机译：本文考虑了经过突然启动的垂直无限平板的非恒定导电流体的传热和传质特性。考虑了两种不同类型的热边界条件的辐射和热吸收/生成效应。精确分析解决方案的推导针对不同的物理性质。速度，浓度和温度曲线，皮肤摩擦系数，Sherwood数和Nusselt数易于通过获得的封闭形式进行检查和讨论。特别是，在很长的时间限制内，舍伍德数和努塞尔数被发现演变成稳态。此处获得的结果可进一步用于验证所获得的数值解对于更复杂的瞬态自由对流流体流动问题的有效性。

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