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RESEARCH PAPERS: Advanced Energy Systems

Gas Turbine Bottoming Cycles: Triple-Pressure Steam Versus Kalina

[+] Author and Article Information
C. H. Marston

Villanova University, Villanova, PA 19085

M. Hyre

Massachusetts Institute of Technology, Cambridge, MA 02139

J. Eng. Gas Turbines Power 117(1), 10-15 (Jan 01, 1995) (6 pages) doi:10.1115/1.2812757 History: Received October 04, 1993; Revised May 14, 1994; Online November 19, 2007

Abstract

The performance of a triple-pressure steam cycle has been compared with a single-stage Kalina cycle and an optimized three-stage Kalina cycle as the bottoming sections of a gas turbine combined cycle power plant. A Monte Carlo direct search was used to find the optimum separator temperature and ammonia mass fraction for the three-stage Kalina cycle for a specific plant configuration. Both Kalina cycles were more efficient than the triple pressure steam cycle. Optimization of the three-stage Kalina cycle resulted in almost a two percentage point improvement.

Copyright © 1995 by The American Society of Mechanical Engineers
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