课件：Power Plant (1)课件讲解

PowerPlant航空工程英语AMEnglish/7-1PowerPlantTheengineexhaustisveryhotforlongdistancesbehindtheengine.Thiscancausedamagetopersonnelandequipment.Exhaustvelocityisveryhighforlongdistancesbehindtheengine.排气距离这可能会对人员和设备造成损害速度PowerPlantThiscancausedamagetopersonnelandequipment.Enginenoisecancausetemporaryandpermanent

lossofhearing.Youmustwearearprotectionwhenyouarenearanengineinoperation.暂时Velocity(vector)速度（矢量）Speed(scalar)速率（标量）永远听力丧失PowerPlantThefancowlsgiveanaerodynamically

smoothsurfaceoverthefancase.Thefancowlsattachtothefancowlsupportbeam.Thefancowlsopenformaintenance.Therearetwofancowlsforeachengine.Eachfancowlattachestothestrutwiththreehinges.风扇整流罩空气动力学上的光滑表面风扇机匣支撑梁维护发动机支柱铰链=support支柱strutPowerPlantThecombustor

mixesairfromthecompressorsandfuelfromthefuelnozzles.Thismixtureofairandfuelburnsinthecombustionchambertomakehotgases.ThehotgasesgototheHPT.=highpressure

turbine

高压涡轮HPT燃烧器混合喷嘴混合物燃烧室气体燃油PowerPlantTheseengineandairplane

accessoriesareonthefrontfaceoftheAGB:EEC

alternator,N2sensor,handcrankingpad,engineairstarter,integrateddrivegenerator(IDG)andhydraulicpump.发动机飞机附件附件齿轮箱交流发电机传感器手摇盘液压泵起动机综合发电机=accessorygearbox附件齿轮箱AGB=integrateddrive

generator综合传动发电机IDG=electronicenginecontrol发动机电子控制EEC=

hydromechanical

unit液压机械单元HMUPowerPlantTheseengineaccessoriesareontherearfaceoftheAGB:fuelpumppackage(fuelpumps,HMU,andmainoil/fuelheatexchanger),lubricationunitandscavengeoilfilter.燃油泵组件滑油/燃油热交换器润滑余油过滤器PowerPlantTheenginefuelpump

assembly

receivesfuelfromtheairplanefuelsystem.ThefuelpumpassemblysuppliespressurizedfueltotheservoandmeteringsectionsoftheHM