The Influence of the Equilibrium Dissociation of a Diatomic Gas on Brayton-Cycle Performance

[+] Author and Article Information
T. A. Jacobs

Aerospace Corporation, El Segundo, Calif.

J. R. Lloyd

University of Texas, Austin, Tex.

J. Appl. Mech 30(2), 288-290 (Jun 01, 1963) (3 pages) doi:10.1115/1.3636527 History: Received January 16, 1962; Online September 16, 2011


By employing the Lighthill “ideal dissociating gas” approximation, the influence of the equilibrium dissociation of a diatomic molecule on Brayton-cycle performance is demonstrated. For low-temperature ratios it is shown that the use of a suitably selected molecule results in a significant improvement in cycle thermal efficiency.

Copyright © 1963 by ASME
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