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The Evaluation of CFCC Liners After Field Testing in a Gas Turbine – IV

[+] Author Affiliations
Josh Kimmel, Jeffrey Price

Solar Turbines Incorporated, San Diego, CA

Karren More, Peter Tortorelli

Oak Ridge National Laboratory, Oak Ridge, TN

Ellen Sun, Gary Linsey

United Technologies Research Center, East Hartford, CT

Paper No. GT2003-38920, pp. 657-667; 11 pages
doi:10.1115/GT2003-38920
From:
  • ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
  • Volume 1: Turbo Expo 2003
  • Atlanta, Georgia, USA, June 16–19, 2003
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3684-3 | eISBN: 0-7918-3671-1
  • Copyright © 2003 by ASME

abstract

Under the Ceramic Stationary Gas Turbine (CSGT) and Advanced Material Program sponsored by the U.S. Department of Energy (DOE), a team led by Solar Turbines Incorporated (Solar) has successfully designed engines utilizing silicon carbide/silicon carbide (SiC/SiC) continuous fiber-reinforced ceramic composite (CFCC) combustor liners. Their potential for low NOx and CO emissions was demonstrated in nine field-engine tests for a total duration of more than 52,000-hours. In the first four engine tests, the durability of the liners was limited primarily by the long-term stability of SiC in the high steam environment of the gas turbine combustor. Consequently, the need for an environmental barrier coating (EBC) to meet the 30,000-hour life goal was recognized. An EBC developed under the National Aeronautics & Space Administration (NASA) High Speed Civil Transport, Enabling Propulsion Materials program was improved, optimized and applied on the SiC/SiC liners by United Technologies Research Center (UTRC) from the fifth engine test onwards. The results of the evaluation after the seventh engine test with greater than 15,000-hours is compared against the results of a previous engine test with approximately 14,000-hours.

Copyright © 2003 by ASME
Topics: Gas turbines , Testing

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