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RESEARCH PAPERS: Gas Turbines: Turbomachinery

Two-Dimensional Computational Model for Wave Rotor Flow Dynamics

[+] Author and Article Information
G. E. Welch

U.S. Army Research Laboratory, Vehicle Technology Center, NASA Lewis Research Center, Cleveland, Ohio 44135

J. Eng. Gas Turbines Power 119(4), 978-985 (Oct 01, 1997) (8 pages) doi:10.1115/1.2817086 History: Received February 01, 1996; Online November 19, 2007

Abstract

A two-dimensional (θ, z) Navier–Stokes solver for multiport wave rotor flow simulation is described. The finite-volume forms of the unsteady thin-layer Navier–Stokes equations are integrated in time on multiblock grids that represent the stationary inlet and outlet ports and the moving rotor passages of the wave rotor. Computed results are compared with three-port wave rotor experimental data. The model is applied to predict the performance of a planned four-port wave rotor experiment. Two-dimensional flow features that reduce machine performance and influence rotor blade and duct wall thermal loads are identified.

Copyright © 1997 by The American Society of Mechanical Engineers
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