Compressibility Effects on the Passive Scalar Flux within Homogeneous Turbulence

摘要

Compressibility effects on turbulent transport of a passive scalar are studiedwithin homogeneous turbulence using a kinematic decomposition of the velocity field into solenoidal and dilatational parts. It is found that the dilatational velocity does not produce a passive scalar flux, and that all of the passive scalar flux is due to the solenoidal velocity. (AN).