Author(s): J. F. Atkinson

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Abstract: A simple model is derived to explain the form ofthe relationship between the normalized entrainment rate of quiescent fluid into a turbulent mixed layer and the bulk Richardson number. The model is based on a parameterization ofthe turbulent kinetic energy budget and includes the effect of molecular diffusivity through the gravity work term. Results show good agreement with available data.

DOI: https://doi.org/10.1080/00221688809499232

Year: 1988