西工大飞动专外复习.pptx

飞行器动力工程专业外语朱国强NorthwesternPolytechnicalUniversity,XI’AN航天学院·推进技术系

GeneralIntroductionofRocketPropulsionRocketpropulsionisaclassofjetpropulsions.Workingbyactionandreaction.TheotherisductpropulsionPropulsion:theactofchangingthemotionofabody

GeneralIntroductionofRocketPropulsionMovement/ThrustP1P2ExhaustgasesDefinitionofperformanceparameters:Thrust/推力Funite：NAMomentumThrustPressureThrustTotalimpulse/总冲ItunitNsSpecificimpulse/比冲Ispunitm/sorsWorkingprocess:PropellantChemicalEnergyInternalEnergyofCombustionProductKineticEnergyofExhaustGasesKineticEnergyofRocketcombustionexpansionacceleration

Classificationofrocketpropulsion

bytheenergysourceRocketpropulsion01Chemical/化学能02Nuclear/核能03Solar/太阳能04Solid/固体05Liquid/液体06Hybrid/固液07

TypicalconfigurationofSolidRocketMotor(SRM)Igniter/点火器ThrustTermination/推力终止装置MotorCase/发动机壳体InternalInsulation/内绝热层PropellantGrain/推进剂装药ThrustVectorControl（flexiblebearing）/推力矢量控制（柔性轴承）ThrustVectorActuator/推力矢量控制执行机构(作动筒)NozzleThroat/喷管喉部Nozzleexitcone/喷管出口锥（扩张段）aftdome/后封头12345678910

DiagramofSpaceShutterBooster

TypicalconfigurationofLiquidRocketEngine(LRE)

TurbopumpsystemsFuelTank/燃料储箱OxidizerTank/氧化剂储箱FuelPump/燃料泵OxidizerPump/氧化剂泵GasTurbine/燃气涡轮GasGenerator/燃气发生器Valves/阀门Injector/喷注器CombustionChamber/燃烧室Nozzle/喷管

TypicalconfigurationofLiquidRocketEngine(LRE)

Turbopumpsystems

TypicalconfigurationofLiquidRocketEngine(LRE)

Pressurizedsystems123456789High-pressuregas(helium)tank/高压（氦气）瓶Regulator/减压器Checkvalve/单向阀Isolationvalve/隔离阀Fuel(Monomethyl-hydrazine)Tank/燃料（一甲基肼）储箱Oxidizer(Nitrogentetroxide)Tank/氧化剂（四氧化二氮）储箱Fillvalve/加注阀CombustionChamber/燃烧室Nozzle/喷管

V-2rocketdiagramwarheadautomaticgyrocontrolguidebeamandradiocommandreceiversalcohol-watermixturerocketbodyliquidoxygenhydrogenperoxidetankcompressednitr