NDLI: Combustion Turbine F-Class Life Management of 1st Stage Turbine Blades

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Eric, S. Wan Crimi, Paul Scheibel, John Viswanathan, R.
Copyright Year	2002
Abstract	Whenever the operations and maintenance economics so dominate the operation of a particular power producer, engineering insight is the plant’s vanguard in maintaining and managing costs. To provide a basis for operators to confront the spiraling parts replacement costs that are so closely tied to the durability of the hot section, EPRI has developed the Gas Turbine Life Management Platform (LMP), an effort which has been directly supported by F-Class turbine operators. Tested and verified on the advanced 7FA and 9FA class of turbine designs, the LMP provides unprecedented detail on temperatures and stresses throughout a selected hot section component. In turn, the platform relies on explicit details of stress and temperature to track the damage due to creep, coating oxidation and TMF (thermal mechanical fatigue). Supplied with operating data, it graphically represents the recent practices of either base load or peaking service. The platform supplies the engineering data needed by operators to make informed decisions regarding the disposition (continued use, repair, or scrap) of these most advanced and expensive parts. In this paper, the procedures of predicting temperature/life and how well these predictions correlated with field observations will be discussed in detail.
Sponsorship	International Gas Turbine Institute
Starting Page	683
Ending Page	690
Page Count	8
File Format	PDF
ISBN	0791836096
DOI	10.1115/GT2002-30301
e-ISBN	0791836010
Volume Number	Volume 4: Turbo Expo 2002, Parts A and B
Conference Proceedings	ASME Turbo Expo 2002: Power for Land, Sea, and Air
Language	English
Publisher Date	2002-06-03
Publisher Place	Amsterdam, The Netherlands
Access Restriction	Subscribed
Subject Keyword	Economics Temperature Turbine blades Creep Durability Fatigue Combustion Maintenance Coatings Stress Gas turbines Oxidation Coating processes Damage Turbines
Content Type	Text
Resource Type	Article

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