Status of Steam-Injected Gas Turbines

[+] Author and Article Information
J. Tuzson

Gas Research Institute, Chicago, IL 60631

J. Eng. Gas Turbines Power 114(4), 682-686 (Oct 01, 1992) (5 pages) doi:10.1115/1.2906642 History: Received November 01, 1991; Online April 24, 2008


The injection of exhaust-heat-generated steam into gas turbines for power augmentation has been proven to provide exceptional flexibility of operation in cogeneration applications. The chronology of development of this technology is presented, including a list of available turbines. A description is then given of the design process for converting existing gas turbines to steam injection. Finally, the water purification issue, which is perceived by some as a barrier to cost-effective implementation of such installations, is addressed. It is shown that water purification cost is of the order of 5 percent of the fuel cost and is therefore not a decisive factor.

Copyright © 1992 by The American Society of Mechanical Engineers
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