Transient response of Reynolds stress transport to opposition control in turbulent channel flow

查看全文 作　　者：GE MingWei XU ChunXiao CUI [1]GuiXiang

机构地区：[1]School of Aerospace, Tsinghua University, Beijing 100084, China

出　　处：《Science China(Physics,Mechanics & Astronomy)》索引2011年第54卷第2期,共9页

基　　金：supported by the National Natural Science Foundation of China (Grant Nos.10772098 and 10925210) 摘　　要：The mechanism for turbulence suppression by opposition control developed by Choi is studied via the analysis of Reynolds stress transport in the initial period of control.It is found that the pressure-strain and pressure-diffusion terms first break up the balance in vertical normal Reynolds stress transport,and result in the final global suppression of turbulence intensities.The transient growth in spanwise normal Reynolds stress is also caused by the pressure-strain term. 关键词：雷诺应力槽道湍流瞬态响应控制输运垂直运输湍流强度扩散项

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Transient response of Reynolds stress transport to opposition control in turbulent channel flow

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