Gas turbine engine case coated with thermal barrier coating to control axial airfoil clearance
作者： Todd James Angus
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摘要: An engine case (20) of a gas turbine (10) is selectively coated with thermal barrier coating (60) to control axial clearance between rotating (22) and stationary (24) airfoils. The applied the thinner portions retard expansion these during transient conditions operation. responds substantially uniformly heating conditions, thereby reducing vane lean in engines.
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