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首页> 外文期刊>International Journal of Heat and Mass Transfer >Heat transfer on a power law stretching sheet subjected to free stream pressure gradient
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Heat transfer on a power law stretching sheet subjected to free stream pressure gradient

机译：承受自由流压力梯度的幂律拉伸片上的热传递

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摘要

The present work deals with the numerical study of temperature distribution in the laminar boundary layer driven by the stretching boundary surface subjected to pressure gradient. The similarity transformation obeying the same power law based on composite reference velocity (union of velocities of the stretching boundary and free stream) has been employed that leads to a single set of equations, irrespective of the condition whether U_w > U_∞ or U_w < U_∞, containing three parameters:β measuring the stretch rate of the moving boundary, ε is the ratio of free stream velocity to composite reference velocity and Pr is the Prandtl number of the ambient fluid. The numerical solutions of the thermal boundary layer equations are obtained for three Prandtl numbers 0.7, 1.0 and 10 for 0 ≤ ε ≤ 1 and for 0 ≤ β ≤ 2. The heat transfer coefficient show appreciable dependence on the ratio of free stream velocity to union of velocities of the stretching surface boundary and free stream.
机译：目前的工作是对层状边界层中温度分布的数值研究，该层状边界层是由受压力梯度作用的拉伸边界面驱动的。已采用基于复合参考速度（拉伸边界速度和自由流速度的总和）遵循相同幂定律的相似变换，从而导致了一组方程式，而与U_w>U_∞或U_w

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