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首页> 外文期刊>Applied Mechanics and Engineering >FINITE DIFFERENCE SOLUTION OF UNSTEADY FLOW PAST AN OSCILLATING SEMI-INFINITE VERTICAL PLATE WITH VARIABLE SURFACE TEMPERATURE AND UNIFORM MASS FLUX
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FINITE DIFFERENCE SOLUTION OF UNSTEADY FLOW PAST AN OSCILLATING SEMI-INFINITE VERTICAL PLATE WITH VARIABLE SURFACE TEMPERATURE AND UNIFORM MASS FLUX

机译：非恒定流过去的可变表面温度和均匀通量的振荡半无限垂直板的有限差分解

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摘要

A finite difference solution of an unsteady flow past an oscillating semi-infinite vertical place with variable temperature and uniform mass flux is presented here. The fluid considered here is a gray, absorbing-emitting radiation but a non-scattering medium. The dimensionless governing equations are solved by an efficient, more accurate, and unconditionally stable and fast converging implicit scheme. The steady state velocity, temperature and concentration profiles are shown graphically. The effect of velocity and temperature for different physical parameters such as the thermal radiation, Schmidt number, thermal Grashof number and mass Grashof number is studied. It is observed that the velocity decreases in the presence of thermal radiation. It is also observed that the time taken to reach a steady-state is more in the case of vertical plate than horizontal plate.
机译：本文提出了一个不稳定的流经过一个可变温度和均匀质量通量的振荡半无限垂直位置的有限差分解决方案。这里考虑的流体是一种灰色的，吸收发射辐射的流体，但不是散射介质。无量纲控制方程是通过有效，更准确，无条件稳定和快速收敛的隐式方案求解的。稳态速度，温度和浓度曲线以图形方式显示。研究了速度和温度对不同物理参数（如热辐射，施密特数，热格拉斯霍夫数和质量格拉斯霍夫数）的影响。观察到在存在热辐射的情况下速度降低。还观察到，在垂直板的情况下，达到稳态所花费的时间比水平板要长。

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