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RESEARCH PAPERS

Wave Engine Aerothermodynamic Design

[+] Author and Article Information
H. E. Weber

Pennsylvania State University; Flow Energy Engineering, San Diego, CA 92115

J. Eng. Gas Turbines Power 114(4), 790-796 (Oct 01, 1992) (7 pages) doi:10.1115/1.2906658 History: Received January 18, 1991; Online April 24, 2008

Abstract

A method for aerothermodynamic preliminary design of a wave engine is presented. The engine has a centrifugal precompressor for the wave rotor, which feeds high and low-pressure turbines. Three specific wave engine designs are presented. Wave rotor blades are naturally cooled by the ingested air; thus combustion temperatures can be as high as 1900 K. Engine pressure ratios of over 25 are obtained in compact designs. It is shown that placing no nozzles at the end of the rotor blade passages yields the highest cycle efficiencies, which can be over 50 percent. Rotor blades are straight and easily milled, cast, or fabricated.

Copyright © 1992 by The American Society of Mechanical Engineers
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