Controlling wake turbulence

被引：57
作者：
Patnaik, BSV
Wei, GW
机构：
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 05期
关键词：
D O I：
10.1103/PhysRevLett.88.054502
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This Letter introduces a control strategy for taming the wake turbulence behind a cylinder. An angular momentum injection scheme is proposed to synchronize the vertical velocity field. We show that the base suction, wake formation length, absolute instability, and the Karman vortex street are effectively controlled by the angular momentum injection. A control equation is designed to implement the injection. The Navier-Stokes equations, along with the control equation, are solved. The occurrence of a new recirculation free zone is identified.
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页数：4
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