Boundary Layer Theory

Boundary Layer Theory
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DOI:
10.1007/978-3-642-58277-6_12
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发表时间:
2019-12
期刊:
Fluid Mechanics
影响因子:
--
通讯作者:
J. Spurk
J. Spurk
中科院分区:
其他
文献类型:
--
作者:
J. Spurk

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我们在前面已经指出,在零粘性假设下得到的物体绕流可以作为大雷诺数粘性流的近似解。然而,这个解在整个场中并不一致有效,因为它在一个真实的流体附着的固体壁附近完全破裂,而无粘流理论一般产生非零切向速度。
We have shown earlier that the flow past a body found under the assumption of zero viscosity can serve as an approximate solution to viscous flow for large Reynolds’ numbers. However this solution is not uniformly valid in the entire field because it breaks down completely near a solid wall to which a real fluid adheres, while the theory of inviscid flow in general yields a nonzero tangential velocity.