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首页> 外文期刊>Applied Mechanics and Engineering >EXACT SOLUTION OF UNSTEADY FLOW PAST AN ACCELERATED VERTICAL PLATE WITH VARIABLE TEMPERATURE AND MASS DIFFUSION IN THE PRESENCE OF THERMAL RADIATION
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EXACT SOLUTION OF UNSTEADY FLOW PAST AN ACCELERATED VERTICAL PLATE WITH VARIABLE TEMPERATURE AND MASS DIFFUSION IN THE PRESENCE OF THERMAL RADIATION

机译:存在热辐射的具有可变温度和质量扩散的加速垂直板非定常流动的精确解

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摘要

An exact solution of unsteady flow past a uniformly accelerated infinite vertical plate with variable temperature and mass diffusion in the presence of thermal radiation is presented here. The dimensionless governing equations are solved using Laplace-transform technique. The velocity profiles, temperature and concentration are studied for different physical parameters like thermal Grashof number, mass Grashof number, radiation parameter, Schmidt number, Prandtl number and time. It is observed that the velocity increases with increasing values of thermal Grashof number or mass Grashof number. But the trend is just reversed with respect to the thermal radiation parameter. It is also observed that there is a fall in plate temperature due to high thermal radiation.
机译:在此,给出了在存在热辐射的情况下,经过具有可变温度和质量扩散的均匀加速无限垂直板的非恒定流的精确解。无量纲控制方程使用拉普拉斯变换技术求解。研究了不同物理参数的速度分布,温度和浓度,例如热格拉斯霍夫数,质量格拉斯霍夫数,辐射参数,施密特数,普朗特数和时间。可以观察到,速度随着热格拉斯霍夫数或质量格拉斯霍夫数的增加而增加。但是就热辐射参数而言,趋势只是相反的。还观察到由于高热辐射导致板温度下降。

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