Two Phases of Coherent Structure Motions in Turbulent Boundary Layer

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Published under licence by IOP Publishing Ltd
, , Citation Liu Jian-Hua and Jiang Nan 2007 Chinese Phys. Lett. 24 2617 DOI 10.1088/0256-307X/24/9/043

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1 Department of Mechanical Engineering, Tianjin University, Tianjin 300072

Dates

  1. Received 10 February 2007
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0256-307X/24/9/2617

Abstract

Two phases of coherent structure motion are acquired after obtaining conditional phase-averaged waveforms for longitudinal velocity of coherent structures in turbulent boundary layer based on Harr wavelet transfer. The correspondences of the two phases to the two processes (i.e. ejection and sweep) during a burst are determined.

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