Numerical Simulation of Three-Dimensional Viscous Flow in a Linear Compressor Cascade With Tip Clearance

[+] Author and Article Information
S. Kang, C. Hirsch

Department of Fluid Mechanics, Vrije Universiteit Brussel, Brussel, Belgium

J. Turbomach 118(3), 492-502 (Jul 01, 1996) (11 pages) doi:10.1115/1.2836694 History: Received March 04, 1994; Online January 29, 2008


A Navier–Stokes solver is applied to investigate the three-dimensional viscous flow in a low-speed linear compressor cascade with tip clearance at design and off-design conditions with two different meshes. The algebraic turbulence model of Baldwin–Lomax is used for closure. Relative motion between the blades and wall is simulated for one flow coefficient. Comparisons with experimental data, including flow structure, static and total pressures, velocity profiles, secondary flows and vorticity, are presented for the stationary wall case. It is shown that the code predicts well the flow structure observed in experiments and shows the details of the tip leakage flow and the leading edge horseshoe vortex.

Copyright © 1996 by The American Society of Mechanical Engineers
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