The intermittency profile in the turbulent flat-plate zero pressure-gradient boundary-layer and a thick axisymmetric boundary-layer has been computed using the Reynolds-averaged k - ϵ - γ model, where k denotes turbulent kinetic energy, e its rate of dissipation, and g intermittency. The Reynolds-averaged model is simpler compared to the conditional model used in the literature. The dissipation equation of the Reynolds-averaged model is modified to account for the effect of entrainment. It has been shown that the model correctly predicts the observed intermittency of the flows. © 2000 by ASME.

Jaywant H. Arakeri

Department of Mechanical Engineering

IIT Jodhpur

A. Dewan

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Journal	Journal of Fluids Engineering, Transactions of the ASME
ISSN	00982202