Computation of Off-Design Flows in a Transonic Compressor Rotor

[+] Author and Article Information
W. N. Dawes

Whittle Laboratory, University Engineering Department, Cambridge

J. Eng. Gas Turbines Power 108(1), 144-150 (Jan 01, 1986) (7 pages) doi:10.1115/1.3239861 History: Received December 10, 1984; Online October 15, 2009


Recent years have seen increasing efforts to develop efficient solvers for the compressible Navier–Stokes equations. For maximum benefit to be derived from this effort, these Navier–Stokes solvers must be capable of dealing with off-design flows as readily and accurately as the on-design cases. The current paper outlines an efficient implicit algorithm developed recently by the author for solving the compressible Navier–Stokes equations in turbomachinery blade-blade flows. The Navier–Stokes solver is applied to the study of a transonic compressor rotor with supersonic inlet velocities for three cases, one on-design and two off-design. The results are compared with experimental measurements and with the predictions of a viscous-inviscid interactive method.

Copyright © 1986 by ASME
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