Development of the Mixing Layer Forced by Acoustic Waves : Effects of Acoustic Excitation on the Turbulent Statistics of a Mixing Layer
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概要
- 論文の詳細を見る
An experimental study was conducted to investigate the effects of acoustic waves on the development of the turbulent statistics of a plane mixing layer which were generated downstream from a splitter plate towed in a straight long tunnel. Acoustic forcing was applied to excite the shear layer and induce wave resonance in the free shear layer. The mixing layer large-scale structures / turbulent statistics in the transitional regimes at Re_m≈100 based on the momentum thickness were investigated by means of the visualization / flying hot-wire technique. We found that turbulent quantities of the spanwise velocity component were homogenized and reduced because of the subharmonic resonance. These results are close to the observations of simulated mixing layers at Re_m=112.
- 一般社団法人日本機械学会の論文
- 1998-02-15
著者
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MAEKAWA Hiroshi
Department of Mechanical Engineering and Intelligent Systems, The University of Electro-Communicatio
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Baba Nobuyuki
Graduate School University Of Electro-communications
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Maekawa Hiroshi
Department Of Mechanical Engineering And Intelligent Systems University Of Electro-communications
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Maekawa Hiroshi
Department Of Mechanical And Control Engineering University Of Electro-communications
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