RESEARCH PAPERS: Gas Turbines: Electric Utilities

Optimum Power Boosting of Gas Turbine Cycles With Compressor Inlet Air Refrigeration

[+] Author and Article Information
M. A. Ait-Ali

Ecole Nationale Polytechnique, B. P. 182 Hassen-Badi, Alger 16100, Algeria; Laboratoire EM.2.C.-Ecole Centrale-Paris, 92295, Chatenay-Malabry-Cedex, France

J. Eng. Gas Turbines Power 119(1), 124-130 (Jan 01, 1997) (7 pages) doi:10.1115/1.2815535 History: Received January 02, 1995; Online November 19, 2007


A conceptual gas turbine cycle with refrigerated air supplied to the compressor inlet is proposed to increase the cycle specific net power significantly and render it practically insensitive to seasonal temperature fluctuations. It is optimized for maximum power per m3 /s and maximum power per kg/s of induced air. These cycle performances are evaluated in a numerical example for two refrigeration cycle efficiencies, based on state-of-the-art isentropic efficiency coefficients of the compressor and turbine. The specific heats of air and products of combustion are treated as temperature-dependent parameters to be determined as integrated mean averages.

Copyright © 1997 by The American Society of Mechanical Engineers
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