Abstract

A study is presented of a two-dimensional turbulent air jet. The jet was subjected to either symmetrical or asymmetrical ambient temperatures. Theoretical analysis of a symmetrical turbulent jet, based on Reichardt’s theory, led to solutions for the stream function, shear distribution, and apparent eddy viscosity. A thermally asymmetric jet was studied at relatively low air velocities and small temperature differences. An equation was proposed for the temperature profile. Coefficients in the momentum transfer and energy transfer equations were determined experimentally and found to agree with predictions based on the symmetric jet distribution.

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