RESEARCH PAPERS: Gas Turbines: Turbomachinery

A Numerical Investigation of Premixed Combustion in Wave Rotors

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

National Research Council

D. E. Paxson

NASA Lewis Research Center, Cleveland, OH 44135

J. Eng. Gas Turbines Power 119(3), 668-675 (Jul 01, 1997) (8 pages) doi:10.1115/1.2817036 History: Received February 01, 1996; Online November 19, 2007


Wave rotor cycles that utilize premixed combustion processes within the passages are examined numerically using a one-dimensional CFD-based simulation. Internal-combustion wave rotors are envisioned for use as pressure-gain combustors in gas turbine engines. The simulation methodology is described, including a presentation of the assumed governing equations for the flow and reaction in the channels, the numerical integration method used, and the modeling of external components such as recirculation ducts. A number of cycle simulations are then presented that illustrate both turbulent-deflagration and detonation modes of combustion. Estimates of performance and rotor wall temperatures for the various cycles are made, and the advantages and disadvantages of each are discussed.

Copyright © 1997 by The American Society of Mechanical Engineers
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