RESEARCH PAPERS: Gas Turbines: Combustion & Fuels

Assessment of Combustion Modes for Internal Combustion Wave Rotors

[+] Author and Article Information
M. R. Nalim

National Research Council, NASA Lewis Research Center, Cleveland, OH

J. Eng. Gas Turbines Power 121(2), 265-271 (Apr 01, 1999) (7 pages) doi:10.1115/1.2817116 History: Received June 12, 1998; Online December 03, 2007


Combustion within the channels of a wave rotor is examined as a means of obtaining pressure gain during heat addition in a gas turbine engine. Three modes of combustion are assessed: premixed autoignition (detonation), premixed deflagration, and non-premixed autoignition. The last two will require strong turbulence for completion of combustion in a reasonable time in the wave rotor. The autoignition modes will require inlet temperatures in excess of 800 K for reliable ignition with most hydrocarbon fuels. Examples of combustion mode selection are presented for two engine applications.

Copyright © 1999 by The American Society of Mechanical Engineers
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