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A New Uprated Turbine for the GT8 and GT8C Gas Turbine Family FREE

[+] Author Affiliations
S. P. Harasgama, F. Kreitmeier

ABB Power Generation Limited, Baden, Switzerland

Paper No. 94-GT-065, pp. V004T11A004; 9 pages
doi:10.1115/94-GT-065
From:
  • ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration
  • The Hague, Netherlands, June 13–16, 1994
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7886-6
  • Copyright © 1994 by ASME

abstract

This paper describes the design of an uprated turbine for the GT8 gas turbine. The new turbine is installed in the GT8C gas turbine unit. The entire aero-thermal performance of the old turbine has been re-assessed and the new design improves upon the old unit by a 3.5% point increase in gas turbine efficiency. Additionally, the heat transfer and cooling of the turbine has been improved with the blading having more uniform thermal loading resulting in improved thermo-mechanical life-time. This has been achieved with better cooling technology whilst still maintaining the same cooling air mass flow. The paper describes the steps involved in the uprating.

Copyright © 1994 by ASME
This article is only available in the PDF format.

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