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Wave Rotor Combustor Test Rig Preliminary Design

[+] Author Affiliations
Berrak Alparslan

Purdue University

M. Razi Nalim

Purdue University-Indianapolis

Philip H. Snyder

Allison Advanced Development Company

Paper No. IMECE2004-61795, pp. 177-185; 9 pages
doi:10.1115/IMECE2004-61795
From:
  • ASME 2004 International Mechanical Engineering Congress and Exposition
  • Process Industries
  • Anaheim, California, USA, November 13 – 19, 2004
  • Conference Sponsors: Process Industries Division
  • ISBN: 0-7918-4717-9 | eISBN: 0-7918-4178-2, 0-7918-4179-0, 0-7918-4180-4
  • Copyright © 2004 by ASME

abstract

Pressure gain combustion in a wave rotor approaching the thermodynamic ideal of constant volume combustion has been proposed to significantly enhance the performance of gas turbine engines. A computational and experimental program is currently being conducted to investigate the combustion process and performance of a wave rotor with detonative and near-detonative internal combustion. An innovative and flexible preliminary design of the test rig is presented to demonstrate the operation and performance of the system. A preliminary design method based on a sequence of computational models is used to design wave processes for testing in the rig and to define rig geometry and operating conditions. The operating cycle allows for propagation of the combustion front from the exit end of the combustion channel to the inlet end. This is similar to and motivated by the Constant Volume Combustor (CVC) concept that seeks to produce a relatively uniform set of outflow conditions in both spatial and time coordinates.

Copyright © 2004 by ASME

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