A non-frozen flow model for pressure space-time correlations in turbulent shear flows

【Author】

Li Guo;Guowei He;Xing Zhang;

【Abstract】

<正>Pressure space-time correlations are important to turbulence generated noise and flow-induced vibration.In this study,we numerically calculate the pressure space-time correlations in turbulence channel flows,and find that Taylor's frozen-flow hypothesis is a

【Keywords】

time;A non-frozen flow model for pressure space-time correlations in turbulent shear flows;DNS;

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