On the impulse response for swept boundary-layer flows

被引：27
|
作者：
Lingwood, RJ
机构：
[1] Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, Trumpington Street
来源：
JOURNAL OF FLUID MECHANICS | 1997年 / 344卷
关键词：
D O I：
10.1017/S0022112097006149
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Swept-wedge flows are used to study the effects of pressure gradient and flow angle on the stability of three-dimensional laminar boundary layers. It is shown that the flow is absolutely unstable in the chordwise direction, i.e. disturbances grow in time at every chordwise location, for certain parameter combinations. However, laminar-turbulent transition may still be a convective process.
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页码：317 / 334
页数：18
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