Application of a Viscous-Inviscid Interaction Procedure to Predict Separated Flows With Heat Transfer

[+] Author and Article Information
E. J. Hall, R. H. Pletcher

Department of Mechanical Engineering, Iowa State University, Ames, IA 50011

J. Heat Transfer 107(3), 557-563 (Aug 01, 1985) (7 pages) doi:10.1115/1.3247460 History: Received December 15, 1983; Online October 20, 2009


A viscous-inviscid interaction procedure is described for predicting heat transfer in separated flows. The separating flow in a rearward-facing step/asymmetric channel expansion is considered. For viscous regions, the boundary layer momentum and continuity equations are solved inversely in a coupled manner by a finite-difference numerical scheme. The streamwise convective term is altered to permit marching the solution through regions of reversed flow. The inviscid flow is computed by numerically solving the Laplace equation for streamfunction in the region bounded by the displacement surfaces used in the inverse boundary layer solution. The viscous and inviscid solutions are repeated iteratively until the edge velocities obtained from both solutions are in agreement. Predictions using this method compare favorably with experimental data and other predictions.

Copyright © 1985 by ASME
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