A Model for Closing the Inviscid Form of the Average-Passage Equation System

[+] Author and Article Information
J. J. Adamczyk

NASA Lewis Research Center, Cleveland, OH 44135

R. A. Mulac, M. L. Celestina

Sverdrup Technology, Inc., Middleburg Heights, OH

J. Turbomach 108(2), 180-186 (Oct 01, 1986) (7 pages) doi:10.1115/1.3262035 History: Received February 14, 1986; Online November 09, 2009


A mathematical model is proposed for closing or mathematically completing the system of equations which describes the time-averaged flow field through the blade passages of multistage turbomachinery. These equations, referred to as the average-passage equation system, govern a conceptual model which has proven useful in turbomachinery aerodynamic design and analysis. The closure model is developed so as to insure a consistency between these equations and the axisymmetric through-flow equations. The closure model was incorporated into a computer code for use in simulating the flow field about a high-speed counterrotating propeller and a high-speed fan stage. Results from these simulations are presented.

Copyright © 1986 by ASME
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