Some influences of particle shape on drag and heat transfer (original) (raw)

Physics of Fluids A: Fluid Dynamics, 1990

Abstract

ABSTRACT A comprehensive study of the three-dimensional flow of intermediate Re over an ellipsoid of revolution was carried out using a finite volume numerical method. Flowfields solutions show that the total skin friction drag and the total heat transfer correlate well with the particle surface area and are independent of particle orientation. For three-dimensional flows, the maximum in heat flux and total shear stress occurs at a different spatial location than the previous stagnation point in the flow. The maximum in the heat flux and the total shear stress usually occurs near the major axis of the body. The finite volume formulation of the transport equations appears to be a good framework for solving complex problems involving droplet mass transfer and deformation.

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