Instability of plane parallel shear flow (toward a mechanistic picture of how it works)

Instability of plane parallel shear flow (toward a mechanistic picture of how it works)
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平面平行剪切流的不稳定性(关于其工作原理的机械图)

DOI:
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发表时间:
1988
期刊:
影响因子:
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通讯作者:
R. Lindzen
R. Lindzen
中科院分区:
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文献类型:
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作者:
R. Lindzen

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本文回顾了过去十二年在剪切流中的波过度反射方面所做的工作,以及过度反射和不稳定性如何工作的机械图的发展。有人认为,流动形态的波浪几何形状是其稳定性的主要决定因素。还有人认为波放大的主要机制是奥尔机制。
This paper reviews work done over the last twelve years on wave overreflection in shear flows, and on the development of a mechanical picture of how overreflection and instability work. It is argued that the wave geometry of a flow configuration is the primary determinant of its stability. It is also argued that the primary mechanism for wave amplification is the Orr mechanism.