Abstract: It is common method for evaluating the TBC by using the insulating effectiveness experiment, but it is difficult to directly test and analyze the insulating effectiveness of TBC on the engine. A calculation analysis method was proposed with the insulating effectiveness of TBC testing results, which obtained TBC actual insulating effectiveness on engine design state from the low temperature simulation results. The insulating effectiveness change was considered by the convection and radiation heat transfer. The coating insulating effectiveness experiment of turbine vane and rotor blade was completed in the different experimental temperature. The analysis shows that the experimental result is different from the calculation result. The method has engineering application value.
Key words: Thermal Barrier Coating；insulating effectiveness；analysis method; experiment
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