Study Over Thermal State of Gas Turbine Engine Metal-ceramic Rotor Blades and Nozzle Guide Vanes Under Thermal Shock and Thermal-cyclic Loading Conditions-中国Betway体育网页登陆

摘要 Toensureareliableoperationofthe2.5MWgasturbineengine(GTE-2.5)withtheinletgastemperatureTIT=1623K,studieswereperformedoverthethermalstateofthenozzleguidevanesandrotorbladeswiththetemperatures,ratesandflowsoftheworkingmediaandcoolingairsimulatingallthepotentialturbinestageoperatingduties.Thesteadystateandthermal-cyclictestshavingbeenaccomplished,therewasnovisibledefectontherotorbladesandthenozzlevanes.Afterwards,theysurvivedtheendurancetestsattheratedcooling.Therefore,thefunctionalityoftheshellthin-wallhybridnozzlevanesandrotorbladesunderthevariableoperatingdutiesofthegasturbineatthe'shock'and'cyclic'loadsoftheworkingmediatemperaturevariationshasbeendemonstrated.

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Study Over Thermal State of Gas Turbine Engine Metal-ceramic Rotor Blades and Nozzle Guide Vanes Under Thermal Shock and Thermal-cyclic Loading Conditions

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