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Journal of Engineering and Applied Sciences

Year: 2006  |  Volume: 1  |  Issue: 1  |  Page No.: 71 - 76

Decay of Dusty Fluid Turbulence Before the Final Period in a Rotating System

Md. Nazrul Islam Mondal


In this study we are concerned with homogeneous dusty fluid turbulence in a rotating system and have considered correlations between fluctuating quantities, at four points. In this case, three and four point correlation equations are used and the set of equations is made determinate by neglecting the quintuple correlations in comparison to the third and fourth order correlation terms. For convenience, the correlation equations are converted to spectral form by taking their Fourier transforms. Finally, integrating the energy spectrum over all wave numbers, the energy decay law of homogeneous dusty fluid turbulence in a rotating system before the final period is obtained.