NDLI: Thermal Aging Failure Analysis of a EBC/CMC Combustor Outer Liner

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Arun, K. Bhattacharya Abdi, Frank Su, Xiaofeng
Copyright Year	2007
Abstract	Ceramic Matrix Composite (CMC) combustor liners allow higher temperature operation with an industrial gas turbine engine, thereby, increasing its efficiency. They also improve its environmental performance by lowering emissions. Application of an EBC (Environmental Barrier Coating) on the combustor liner hot surface significantly reduces the environmental degradation of these CMC liners and it also improves the thermal gradient through the liner wall. This study focused on the effect of the EBC on the thermal aging life of a SiC/SiC CMC combustor outer liner using a progressive failure numerical procedure. The simulation results are compared with Solar Turbines’ field test observation. Both test and simulation show the liner survived the long-term thermal aging process. There is no obvious damage occurring in the liner during the 13,000 test aging hours. These data are useful for optimizing design of the EBC/CMC liner.
Sponsorship	International Gas Turbine Institute
Starting Page	289
Ending Page	295
Page Count	7
File Format	PDF
ISBN	079184790X
DOI	10.1115/GT2007-27929
e-ISBN	0791837963
Volume Number	Volume 1: Turbo Expo 2007
Conference Proceedings	ASME Turbo Expo 2007: Power for Land, Sea, and Air
Language	English
Publisher Date	2007-05-14
Publisher Place	Montreal, Canada
Access Restriction	Subscribed
Subject Keyword	Industrial gases Ceramic matrix composites Temperature Coatings Emissions Temperature gradient Design Gas turbines Simulation results Simulation Failure analysis Solar energy Coating processes Combustion chambers Damage Failure Turbines
Content Type	Text
Resource Type	Article

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