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March 27, 1969Journal of Fluid Mechanics581 citations

The analogy between streamline curvature and buoyancy in turbulent shear flow

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PBP. Bradshaw

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Abstract

A formal algebraic analogy is drawn between meteorological parameters, such as the Richardson number, and the parameters describing the effect of rotation or streamline curvature on a turbulent flow. The analogy between the phenomena is a good first approximation. Semi-quantitative use of the analogy to apply meteorological data to curved shear layers shows that the effects of curvature on the apparent mixing length are appreciable if the shear-layer thickness exceeds roughly 1/300 of the radius of curvature; larger effects may occur in compressible flow. Application of the Monin-Oboukhov formula considerably improves the agreement between prediction and experiment in boundary layers on curved surfaces.

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P. Bradshaw (1969) studied this question.

synapsesocial.com/papers/69da22500d540cafc58388a8https://doi.org/10.1017/s0022112069001583
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