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首页> 外文期刊>Applied Mechanics and Engineering >EFFECT OF VISCOUS DISSIPATION AND THERMAL RADIATION ON HEAT TRANSFER OVER A NON-LINEARLY STRETCHING SHEET THROUGH POROUS MEDIUM
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EFFECT OF VISCOUS DISSIPATION AND THERMAL RADIATION ON HEAT TRANSFER OVER A NON-LINEARLY STRETCHING SHEET THROUGH POROUS MEDIUM

机译：粘性耗散和热辐射对穿过多孔介质的非线性拉伸板传热的影响

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摘要

In this present paper, we have discussed the effects of viscous dissipation and thermal radiation on heat transfer over a non-linear stretching sheet through a porous medium. Usual similarity transformations are considered to convert the non-linear partial differential equation of motion and heat transfer into ODE's. Solutions of motion and heat transfer are obtained by the Runge-Kutta integration scheme with most efficient shooting technique. The graphical results are presented to interpret various physical parameters of interest. It is found that the velocity profile decreases with an increase of the porous parameter asymptotically. The temperature field decreases with an increase in the parametric values of the Prandtl number and thermal radiation while with an increase in parameters of the Eckert number and porous parameter, the temperature field increases in both PST (power law surface temperature) and PHF (power law heat flux) cases. The numerical values of the non-dimensional wall temperature gradient and wall temperature are tabulated and discussed.
机译：在本文中，我们讨论了粘性耗散和热辐射对非线性拉伸片材通过多孔介质传热的影响。通常的相似性转换被认为是将运动和热传递的非线性偏微分方程转换为ODE。通过Runge-Kutta集成方案以最有效的射击技术获得运动和热传递的解决方案。呈现图形结果以解释感兴趣的各种物理参数。结果表明，随着多孔参数的渐近，速度分布逐渐减小。温度场随着Prandtl数和热辐射的参数值的增加而减小，而随着Eckert数和多孔参数的参数的增加，PST（幂律表面温度）和PHF（幂律）中的温度场都增加。热通量）的情况。列出并讨论了无量纲壁温梯度和壁温的数值。

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