Practical Use of Three-Dimensional Inverse Method for Compressor Blade Design

[+] Author and Article Information
S. Damle, T. Dang

Department of Mechanical, Aerospace, and Manufacturing Engineering Syracuse University, Syracuse, NY 13244

J. Stringham, E. Razinsky

Solar Turbines, Inc., San Diego, CA 92186

J. Turbomach 121(2), 321-325 (Apr 01, 1999) (5 pages) doi:10.1115/1.2841317 History: Received February 01, 1998; Online January 29, 2008


The practical utility of a three-dimensional inverse viscous method is demonstrated by carrying out a design modification of a first-stage rotor in an industrial compressor. In this design modification study, the goal is to improve the efficiency of the original blade while retaining its overall aerodynamic, structural, and manufacturing characteristics. By employing a simple modification to the blade pressure loading distribution (which is the prescribed flow quantity in this inverse method), the modified blade geometry is predicted to perform better than the original design over a wide range of operating points, including an improvement in choke margin.

Copyright © 1999 by The American Society of Mechanical Engineers
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