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首页> 外文期刊>The Aeronautical Journal >A theoretical description of viscous flow along a flat plate
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A theoretical description of viscous flow along a flat plate

机译：沿平板的粘性流的理论描述

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摘要

An analytical method has been described for determining the perturbation of a steady, uniform stream of incompressible, viscous fluid by the presence of an infinitely-thin, flat plate aligned with the undisturbed flow. The perturbation consists of a series of approximations; each except the first, and thus the perturbation as a whole, consists of continuous distributions of two types of disturbances. These have been named drag poles and mixing eddies. Implementation of the theory will presumably require modelling of the perturbation by populations comprising groupings of finite-strength poles and eddies. The first approximation consists of drag poles only. Extension of the present method to cover more general problems, including those involving three-dimensional and time-dependent flow, may be possible.
机译：已经描述了一种分析方法，该方法用于通过存在与原状流对齐的无限薄的平板来确定不可压缩的粘性流体的稳定，均匀，均匀的扰动。摄动由一系列近似组成；除了第一个扰动之外，每个扰动都是扰动的连续分布，因此除了总体上的扰动外，每个扰动都是连续分布的。这些被称为拖杆和混合涡流。该理论的实施可能需要对包含有限强度极点和涡流的群体进行微扰建模。第一个近似值仅由拉杆组成。可以扩展本方法以覆盖更一般的问题，包括涉及三维和与时间有关的流动的问题。

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