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国际流体力学研究期刊
ESCI SJR: 0.22 SNIP: 0.446 CiteScore™: 0.5

ISSN 打印: 2152-5102
ISSN 在线: 2152-5110

国际流体力学研究期刊

DOI: 10.1615/InterJFluidMechRes.v42.i2.20
pages 111-118

A Vorticity Based Model of Isotropic Turbulence

Amitabha Chanda
Faculty (Retd.), Indian Statistical Institute Presently Visiting Faculty, UCSTA, University of Calcutta India

ABSTRACT

It is argued that the transfer operator in the governing equation of isotropic turbulence is engaged in convection of turbulent energy. Pursuing this argument the transfer operator is replaced by a constant multiplier and vorticity of dimension same as that of the transfer operator. Thereafter the general decay of isotropic turbulence is studied. An expression of longitudinal correlation coefficient is found and plotted against the separation distance between two close points of measurement. The new result is compared with the standard one.


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