课件：Power Plant课件讲解

PowerPlant航空工程英语AMEnglish/7-2PowerPlantFuelgoesfromthefuelpumptotheIDG

oilcooler,thentotheoil/fuel

heatexchanger.Fromtheoil/fuelheatexchanger,thefuelgoesbacktothefuelpumpassembly.Thisfuelbecomeshighpressurefuel.ThishighpressurefuelgoestotheHMU.=integrateddrive

generator

整体驱动发电机IDG热交换器整体驱动发电机燃油泵滑油冷却器滑油/燃油返回高压总成PowerPlantTheengineairsystemadjuststheclearancesbetweenthehighpressureturbine(HPT)bladesandshroudandthelowpressureturbine(LPT)bladesandshroud.Usually,theengineairsystemdecreasestheclearancebetweentherotorsandtheturbinecase.=lowpressure

turbine低压涡轮LPT=high

pressure

turbine高压涡轮HPT间隙高压涡轮低压涡轮叶片护罩外壳PowerPlantThesearethecompressorairflowcontrolsubsystems:variablestatorvanes(VSVs)andvariablebleedvalve(VBV).Thevariablestatorvanes(VSV)systemcontrolsthehighpressurecompressor(HPC)airflow.子系统可变定子叶片可调放气活门高压压气机=variablestator

vane可变定子叶片VSV=highpressure

compressor高压压气机HPC=variablebleed

valve可变泄露阀VBVPowerPlantTherearetworeversethrust

interlock

solenoids,oneforeachengine.Eachreversethrustinterlocksolenoidlimits

therangeof

motionofareversethrustlever.Youcanmakethethrustreverserdeploy,butyoucannotincreasethereversethrustuntilthethrustreversersleevesarenearthefulldeployedposition.反推力互锁电磁阀范围运动限制反推手柄套筒PowerPlantAtakeoff/go-around(TO/GA)switchandanautothrottle

disengageswitchareineachthrustleverassembly.TheTO/GAswitchletsthepilotsettheTO/GAfunction.Theautothrottledisengageswitchletsthepilotdisengagetheautothrottlefunction.Thecommand

buttonsfortheseswitchesarejustunderandontheforwardthrustleverknob.起飞复飞功能命令按钮旋钮飞行员自动油门断开PowerPlantAtakeoff/go-around(TO/GA)switchandanautothrottle

disengageswitchareineachthrustleverassembly.TheTO/GAswitchletsthe