Thermodynamic Evaluation of Gas Turbine Cogeneration Cycles: Part I—Heat Balance Method Analysis

[+] Author and Article Information
I. G. Rice

Spring, TX 77383

J. Eng. Gas Turbines Power 109(1), 1-7 (Jan 01, 1987) (7 pages) doi:10.1115/1.3240001 History: Received December 26, 1985; Online October 15, 2009


This paper presents a heat balance method of evaluating various open-cycle gas turbines and heat recovery systems based on the first law of thermodynamics. A useful graphic solution is presented that can be readily applied to various gas turbine cogeneration configurations. An analysis of seven commercially available gas turbines is made showing the effect of pressure ratio, exhaust temperature, intercooling, regeneration, and turbine rotor inlet temperature in regard to power output, heat recovery, and overall cycle efficiency. The method presented can be readily programmed in a computer, for any given gaseous or liquid fuel, to yield accurate evaluations. An X–Y plotter can be utilized to present the results.

Copyright © 1987 by ASME
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