平板非定常反驻点流动
Unsteady Reversed Stagnation-Point Flow over a Flat Plate
摘要:
本文研究了不可压缩流体在反向驻点处二维层流发展的性质。".在这项研究中,我们重新讨论了平板上的反向驻点流动问题。Proudman和Johnson(1962)首先研究了流动,并通过忽略粘性项得到了一个渐近解。在忽略总流场中的粘性项时,这是不正确的.特别指出,对于从静止到恒速V0的脉冲加速板,得到了自相似常微分方程的相似解,该解是完全解析的。
英文摘要:
This paper investigates the nature of the development of two-dimensional laminar flow of an incompressible fluid at the reversed stagnation-point. ". In this study, we revisit the problem of reversed stagnation-point flow over a flat plate. Proudman and Johnson (1962) first studied the flow and obtained an asymptotic solution by neglecting the viscous terms. This is no true in neglecting the viscous terms within the total flow field. In particular it is pointed out that for a plate impulsively accelerated from rest to a constant velocity V0 that a similarity solution to the self-similar ODE is obtained which is noteworthy completely analytical.
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