Partial Regenerative Steam Injected Gas Turbine PUBLIC ACCESS

[+] Author Affiliations
Shigekazu Uji

Ishikawajima-Harima Heavy Industries Co., Ltd.

Paper No. 96-GT-331, pp. V004T11A006; 8 pages
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7875-0
  • Copyright © 1996 by ASME


Steam injection has been employed in gas turbines for over twenty-five years for power increase (more than 50% on some gas turbines) and efficiency improvements (more than 20%). For further improvement of efficiency on steam injected gas turbine, Partial Regenerative Steam Injected Gas Turbine was studied.

Cycle analysis was carried out for the evaluation of efficiency among three systems, Steam Injected Gas Turbine, Regenerative Steam Injected Gas Turbine and Partial Regenerative Steam Injected Gas Turbine. Results of the analysis show that Partial Regenerative Steam Injected Gas Turbine can realize higher efficiency than other two systems.

In addition to the cycle analysis, the effect of applying the concept of Partial Regenerative Steam Injected Gas Turbine to the actual engine Allison gas turbine model 501-KH was evaluated. And the effect of integrating compressor inter-cooling process in Partial Regenerative Steam Injected Gas Turbine was also evaluated.

Copyright © 1996 by ASME
Topics: Gas turbines , Steam
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