Prediction of Cascade Flow Fields Using the Averaged Navier-Stokes Equations

[+] Author and Article Information
S. J. Shamroth, H. McDonald, W. R. Briley

Scientific Research Associates, Inc., Glastonbury, Conn. 06033

J. Eng. Gas Turbines Power 106(2), 383-390 (Apr 01, 1984) (8 pages) doi:10.1115/1.3239575 History: Received February 08, 1983; Online October 15, 2009


A numerical solution procedure for the ensemble-averaged, compressible, time-dependent Navier-Stokes equations is applied to predict the flow about a cascade of airfoils operating in the transonic flow regime. The equations are solved by the consistently split, linearized block implicit (LBI) method of Briley and McDonald. Boundary conditions are set so as to specify upstream total pressure and downstream static pressure. Turbulence is modeled by a mixing length model. Predictions are made for flow through a compressor cascade configuration. The method yields converged solutions within a relatively small number of time steps ( ≈ 150), which give good comparisons with experimental data.

Copyright © 1984 by ASME
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