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RESEARCH PAPERS

Prediction of Sudden Expansion Flows Using the Boundary-Layer Equations

[+] Author and Article Information
O. K. Kwon

Allison Gas Turbine Operations, General Motors Corporation, Indianapolis, Ind.

R. H. Pletcher, J. P. Lewis

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

J. Fluids Eng 106(3), 285-291 (Sep 01, 1984) (7 pages) doi:10.1115/1.3243117 History: Received September 14, 1982; Online October 26, 2009

Abstract

A finite-difference calculation method based on the boundary-layer equations is described for the prediction of laminar, developed channel flow undergoing a symmetric sudden expansion. The scheme requires only a fraction of the computational effort required for the numerical solution of the full Navier-Stokes equations that are usually employed for this flow. Predictions of the method compare very favorably with experimental data and solutions of the full Navier-Stokes equations.

Copyright © 1984 by ASME
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