Time correlations in compressible isotropic turbulence

【Author】

Dong Li;Guowei He;Xing Zhang;

【Abstract】

<正>Time correlations of fluctuations in velocity,dilatation and pressure are calculated using direct numerical simulation of compressible isotropic turbulence.It is observed that the correlations decay with oscillations,which attributes to the wave propagation from the dilatational part.A model is proposed for time correlation.It

【Keywords】

time;Time correlations in compressible isotropic turbulence;

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