MECHANISMS ON TRANSVERSE MOTIONS IN TURBULENT WALL FLOWS
MECHANISMS ON TRANSVERSE MOTIONS IN TURBULENT WALL FLOWS
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DOI：
10.1146/annurev.fluid.35.101101.161213
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发表时间：
2003-11
影响因子：
27.7
通讯作者：
G. Karniadakis;K. Choi
中科院分区：
文献类型：
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作者：
G. Karniadakis;K. Choi
在有壁面的流动中，▪抽象减阻可以通过被动方式(如肋条)施加的横向运动或通过外部强迫(如壁面振荡或横向行波激励)来实现。在本文中，我们回顾了导致湍流减阻和相应的近壁流动修正的可能的物理机制。
▪ Abstract Drag reduction in wall-bounded flows can be achieved by transverse motions imposed by passive means, e.g., riblets, or by external forcing, such as wall oscillation or transverse traveling-wave excitation. In this article, we review possible physical mechanisms responsible for turbulent drag reduction and corresponding near-wall flow modification.