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A Study on the Life Cycle Impact of Steam Injection

[+] Author Affiliations
H. Jin, E. Marson, R. Pistor

Liburdi Turbine Services, Dundas, ON

L. Dempsey

Generation Solutions, Ltd., Auckland, New Zealand

Paper No. GT2007-27029, pp. 1393-1397; 5 pages
doi:10.1115/GT2007-27029
From:
  • ASME Turbo Expo 2007: Power for Land, Sea, and Air
  • Volume 4: Turbo Expo 2007, Parts A and B
  • Montreal, Canada, May 14–17, 2007
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-4793-4 | eISBN: 0-7918-3796-3
  • Copyright © 2007 by ASME

abstract

Water or steam injection for NOX control or power augmentation can impact turbine hot section component life and maintenance interval. This relates to the effect of added water on hot-gas transport properties. Higher gas conductivity, in particular, increases heat transfer to blade and vane, and can lead to higher metal temperature and reduced part life. Part life impact from steam or water injection is also related to the way engine is controlled. Life cycle impact of steam injection on the LM6000PC HP turbine blade has been studied. The relationship between steam injection, LP turbine inlet temperature control, blade metal temperature, and corresponding life change was analyzed. The analysis result can be used for the assessment of life cycle impact with steam injection and temperature control limit.

Copyright © 2007 by ASME
Topics: Cycles , Steam

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