PEC航空英语证书考试航空发动机专业词汇说课讲解

1、Good is good, but better carries it.精益求精，善益求善。PEC航空英语证书考试航空发动机专业词汇PEC航空英语证书考试-航空发动机专业词汇Part1gasturbineengine燃气涡轮发动机aircraft飞机，飞行器（单复同形）powerplant发动机，动力装置appreciate理解，意思到priorto在之前propulsion推进reaction反作用jet喷气,喷射,喷气发动机designer设计师initially最初，开始时unsuitability不适应性pistonengine活塞发动机airflow空气流present带来,产生ob

2、stacle障碍Para.2patent专利,获得专利jetpropulsionengine喷气推进发动机athodyd冲压式喷气发动机heatresistingmaterial耐热材料develop研究出，研制出inthesecondplace其次inefficient效率底的ramjet,ramjet冲压式喷气发动机conception构想,设计，概念Para.3grant授予propulsivejet推进喷射turbo-jetengine涡轮喷气发动机turbojetturbo-propellerengine涡轮螺桨发动机turbopropVickersViscountaircraft维

3、克斯子爵式飞机befittedwith配备term术语,称为,叫做twin-spoolengine双转子发动机triple-spoolengine三转子发动机by-passengine双涵道发动机ductedfan涵道风扇发动机unductedfan(UDF)无涵道风扇发动机propfan桨扇发动机inevitable不可避免的,必然的p.4propeller螺旋桨basicprinciple基本原理effect产生propel推进solely单独,只thrust推力p.5popularly普遍地,一般地pulsejet脉动式喷气发动机turbo/ramjet涡轮冲压式喷气发动机turbo-r

4、ocket涡轮火箭p.6accelerate加速acceleration加速度apparatus装置,机器slipstream滑流p.7momentum动量issue冒出toimpartMtoN把M给与Nrevolve旋转p.8whirl旋转sprinkler喷水器mechanism机构byinvirtueof依靠hose软管afford提供carnival狂欢节p.9definitely确切地,明确地assume想象,以为expel排出,驱逐propulsiveefficiency推进效率Page3p.10differ不同convert转换p.11thermodynamic热动力的diver

5、gent扩散diverge扩散convergent收敛converge收敛entry进气段exit排气管kineticenergy动能airintake空气进口divergingduct扩散管道outletduct排气管missile导弹targetvehicle靶机p.12intermittentcombustion间断式燃烧aerodynamic空气动力的involve具有robust结实的,坚固的inletvalve进气阀inject喷入eject喷出depression降压,减压exhaust排气cycle循环helicopterrotorpropulsion直升飞机旋翼驱动器disp

6、ensewith省去,无需resonate共振resonatingcycle共振循环fuelconsumption燃油消耗equal比得上performance性能p.13decompose分解p.14inherent固有的draw吸入p.15arrangement结构simplicity简单性subsequent接下来的thermodynamic热力的Page7p.16disturbance扰动blade-tip叶尖departurefrom背离p.17offset抵消exceed超过p.18Machnumber马赫数p.19variableintake可变进口afterburning加力燃

7、烧variablenozzle可调喷口conventional常规的afterburner加力燃烧室inoperative不工作的divert使转向guidevane导流叶片duct管道，用管道输送sustained持续的cruise巡航mode模式p.21multi-stageturbine多级涡轮derive得到，取得kerosene,kerosine煤油beintheorderof达到的量级spray喷雾fuel-richmixture富油混合物dilute稀释surplus剩余的p.22interceptor截击机space-launcher航天发射器altitude高度attitud

8、e态度、姿态latitude纬度longitude经度accelerative加速的duration持续时间Part2Para.1workingfluid工作流体conversion转换jetefflux喷射气流Para.2four-strokepistonengine四冲程活塞发动机constantpressure等压constantvolume等容induction进气compression压缩intermittent间断的beinvolvedin与有关charging进气eliminate消除idlestroke空冲程Para.3peak峰,峰值fluctuate,fluctuating

9、波动,起伏withstand,withstood承受inexcessof超过employ采用cylinder汽缸highoctanefuel高辛烷值燃料lowoctanefuel低辛烷值燃料fabricated装配式的Para.4function运行,运转introduce,introducing输入remainder剩余部分discharge排出Para.5,6turbineassembly涡轮部件air-cooledblade气冷叶片consequently随之而来的,因此,所以Para.7embody体现beembodiedinM体现在M中bedirectlyproportionalto

10、与成正比beinverselyproportionalto与成反比Para.9trace描绘showup表现Para.10attain达到,实现conversely相反地Para.11adiabatic绝热的friction摩擦conduction传导turbulence紊流Para.12propellingnozzle推力喷管momentum动量deceleration减速Page14Para.13effect实现conversion转换convert转换sonic音速的subsonic亚音速的supersonic超音速的encounter遇到venturi文氏管Para.14interfe

11、rence干扰componentfailure部件失效eddy涡流turbulence紊流Para.15frontalarea迎面面积straight-throughflowsystem直流式系统reverseflowsystem回流式系统subsequent接下来的Para.17conventionally常规地percentage部分，百分比duct管道，用管道输送remainder剩余物deliver送，流tobeconduciveto有利于specificfuelconsumption燃油消耗率Para.18designfeature设计特征by-passengine双涵道发动机by-

12、passratio涵道比twin-spoolconfiguration双转子结构propfan桨扇发动机turbo-propeller涡轮螺桨发动机Para.19by-passairstream外涵道气流overboard向船外，排出ductedfan涵道式风扇发动机aftfan后风扇发动机Part3Para.1centrifugal离心的axial轴流的couple耦合，联接coupling联轴器coupler联轴器shaft轴Para.2centrifugal(flow)compressor离心压气机impeller叶轮diffuser扩散器axial(flow)compressor轴流压

13、气机multi-stageunit多级装置alternate交替的rotorblade转子叶片statorvane静子叶片diffuse扩散boost增压booster增压器Para.3withregardto关于robust坚固，结实developandmanufacture设计与制造consume消耗，使用attain达到airflow空气流量，空气流adoption采用favour(Am.Efavor)喜爱，偏爱ruggedness坚固性rugged坚固的outweigh胜过，重于Fig.3-1rotatingguidevane旋转导流叶片intakechute进气斜道swirlvane

14、旋流叶片Para.5diffuservane扩散器叶片double-entryimpeller双面进气叶轮plenumchamber稳流室Para.6induce吸入radially径向地intakeduct进气管initialswirl预旋Para.7divergentnozzle扩散排气管Para.8tipspeed叶尖速度Para.9maintain保持leakage泄漏clearance间隙Para.10construction结构centeraround(about,at,in,on,round,upon)以为中心ballbearing滚珠轴承rollerbearing滚柱轴承spl

15、it分开detachment拆开，分离Para.11forged锻造的radiallydisposedvanes径向排列的叶片inconjunctionwith和共同sweptback后掠Para.12attach联接tangential相切的inneredge内缘inlinewith与一致buffetingimpulse扰流抖振脉冲Para.13rotorassembly转子部件airfoilsection翼型截面mount安装bearing轴承incorporate安有，装有inseries依次地designcondition设计状态incorporation引入，采用variablest

16、atorvane可调静子叶片succeedingstage下一级Para.14gradualreduction逐渐减小annulus环型statorcasing静子机匣maintain保持density密度convergence收敛taper，tapering带斜度，带锥度arrangement结构Para.16multi-spoolcompressor多转子压气机optimum最佳（的），最优（的）flexibility适应性，灵活性Para.17handle处理duct管道，用管道输送exhaustsystem排气系统propellingnozzle推力喷管match使匹配obsolete

17、已不用but除.之外Para.18trend趋势stage阶段,级undergo承受split分开core核心gasgenerator燃气发生器optimumarrangement最佳结构Para.19induce吸入，引入，引导sweep,swept扫，猛推adjacent相邻的translate翻译，转换decelerate减速serve起作用deflection偏转straightener整流器swirl旋流diagrammatically图示地accompany伴随progressive不断的，逐渐的Para.20breakaway分离stall失速precede在前面Para.21i

18、ncidence攻角tolerate允许interstagebleed级间放气intermediatestage中间级Para.22proportion比例pl.尺寸,大小coaxial同轴的innerradius内半径supercharge增压akin相似的Para.23tocenteraround(round,on,upon,about,at,in)以为中心alignment对中,同心cylindrical圆筒形的boltedaxialjoint轴向螺栓联接boltedcenterlinejoint中心线螺栓联接Para.24secure固定assemble装配weld焊接peripher

19、y边缘drum鼓筒Para.25circumferential周向的fixing安装,固定maintainability维护性blisk整体叶盘Para.26gradient梯度balanceout抵消twist扭angleofincidence攻角boundarylayer附面层,边界层stagnant滞止的compensatefor补偿camber弯度extremity端部end-bend端弯Para.27retainingring保持环insegments成组的shroud叶冠Para.28dissimilar不相似的,不同的workable可用的,可运转的implement实现,执行,

20、完成retain保持Para.29imposeupon强加于之上departfrom偏离intention意图positiveincidencestall正攻角失速negativeincidencestall负攻角失速blading叶栅sustain承受得住surge喘振instantaneous即刻的expel排出margin欲度instability不稳定性Para.30provision提供margin欲度hydraulic液压的pneumatic气动的electronic电子的Para.31costeffective成本效益好的prevail流行，胜利Para.32rigid刚性的cl

21、earance间隙alloy合金nickelbasedalloy镍基合金titanium钛inpreferenceto优先于rigiditytodensityratio刚度密度比Para.33prime主要的fatiguestrength疲劳强度notch切口，开槽ingestion吸气inferior差的decline下降rub碰磨ignite点燃airworthiness飞行性能hazard危险Para.34dominate起支配作用Para.35solidforging实锻件chord弦mid-span叶片中部snubber减振器clapper拍板fabricate制造skin蒙皮hon

22、eycomb蜂窝Para.36robustsection坚固截面ingestioncapability吸气能力Part4Para.1fuelsupplynozzle燃油喷嘴extensive广泛的，大量的accomplish完成Para.2range范围CCentigradeorCelsiusturbinenozzle涡轮导向器Para.3consequent随之发生的，结果的Para.4kerosene,cerosine煤油light,litorlighted点燃blow,blew，blown吹alight燃烧的Para.5flametube火焰筒liner衬筒meter,metering调

23、节配量Para.6snout进气锥体downstream下游，顺流swirlvane旋流叶片perforatedflare带孔的喇叭管primarycombustionzone主燃区upstream上游，逆流promote促进，引起recirculation环流，回流Para.7secondaryairhole二股气流孔toroidalvortex喇叭口形涡流anchor,anchoring锚，固定hasten促进，加速droplet小滴ignitiontemperature燃点Para.8conical锥形的intersect相交turbulence紊流breakup,breakingup分

24、裂，破碎incoming进来的Para.9nozzleguidevane涡轮导向叶片amountto占比例,达到progressively逐渐地dilutionzone掺混区remainder剩余物insulateMfromN使M与N隔离Para.10,11electricspark电火花igniterplug点火塞self-sustained自持的Para.12airstream=airflowdistinct=differenttypeinjection喷射，喷入ejection喷射，喷出atomize使雾化spraynozzle喷嘴pre-vaporization预蒸发Para.13va

25、por蒸汽vaporize蒸发vaporizer蒸发器feedtube供油管vaporizingtube蒸发管atomizerflametube装有雾化喷嘴的火焰筒Para.14multiple(combustion)chamber分管燃烧室tubo-annular(combustion)chamber环管燃烧室cannular(combustion)chamber环管燃烧室annular(combustion)chamber环形燃烧室Para.15F.g.4-6Para.16dispose布置delivery排气Para.17interconnect互相连通propagate传播Para.1

26、8bridgeagapbetween填补空白，使连接起来evolutionary发展，演变arrangement结构overhaul大修compactness紧凑性Para.19contain包含，安装beopento与相通Para.20elimination消除propagation传播Para.21virtually实际上oxidize氧化carbonmonoxide一氧化碳non-toxic无毒的carbondioxide二氧化碳Para.22aerate,aerating吹气，供气over-richpocket过富区fuelvapour燃油蒸汽carbonformation积碳形成Pa

27、ra.23incur招致extinction熄灭relight重新点燃perform,performing完成，执行spraynozzleatomizer喷嘴雾化器Para.25intensity强度compact紧凑的exceptionally格外地，特别地Para.26calorificvalue热值Britishthermalunit(BTU)英国热量单位=252卡expenditure使用，消耗Para.27altitudecruise高空巡航Para.29weaklimit贫油极限richlimit富油极限extinguish熄灭extinguisher灭火器dive俯冲idle,i

28、dling空载，慢速mixturestrength混合物浓度Para.30stabilityloop稳定区Para.32emission排放物pollutant污染物create产生，形成legislatively立法地hydrocarbon碳氢化合物oxidesofnitrogen氧化氮Para.34suppression抑制desirable合乎需要的conflict冲突compromise折中combustor燃烧室substantially实际上Para.35coating涂层insulation隔热，隔离Para.36corrosion腐蚀creepfailure蠕变失效fatigu

29、e疲劳Part5Para.1accessory,accessories附件solely=onlyextract,extracting提取toexposeMtoN使M暴露于NMisexposedtoNPara.2torque扭矩Para.3intermediate中间的interpose置于之间tobederivedfrom从获得,取自free-powerturbine自由动力涡轮tobeindependentof不受的限制Para.4mean平均的deflection偏转inproportionto按比例sectionalthickness截面厚度disproportionately不相称地P

30、ara.5broadly主要地aerofoilshape翼型形状impulseturbine冲击式涡轮reactionturbine反作用式涡轮incorporate采用cartridgestarter弹药筒式起动机airstarter空气起动机Para.7toforceoneswayinto有力地冲入spin旋转whirl旋转Para.8tobegovernedby取决于,由决定substantially实际上,大体上excessive过分的residual剩余的，剩余detrimental=harmfulstrut支柱,支杆Para.9twist,twisted带扭向的staggerang

31、le斜罩角Para.10meansection中间截面Para.12self-aligningcoupling自动调节联轴器Para.15machinedforging机加锻件flange法兰，安装边bolt螺栓，用螺栓联结perimeter周边，圆周tohaveprovisionfor为作好准备attachment联接,安装Para.16heatconduction热传导Para.17degreeofreaction反力度Para.18fix确定,决定,trailingedge排气边soasto(do)为了preventM(from)+ingPara.19attach联接,安装fixing联

32、接haveabearingon对有影响rimspeed轮缘速度deLavalbulbroot圆头叶根supersede代替,取代fir-treefixing纵树榫头联接involve需要,要求serration榫齿stiffen加劲,固牢Para.20contraction收缩shroud叶冠fit配备,安装segment部分,片peripheral外围的,周边的abradablelining易磨涂层A.C.C.activeclearancecontrolshroudlessblade无冠叶片Para.21revolve旋转extract提取conventional常规的Para.22impr

33、actical不实际的dualalloydisc双金属轮盘blisk整体叶轮cast铸造bond粘接Para.23match匹配nozzleguidevane涡轮导向叶片backpressure反压surge喘振choke壅塞，阻塞Para.24obstacle障碍impartto给与tensilestress拉应力limitingfactor限制因素Para.25endure承受nickelalloy镍合金ceramiccoating陶瓷涂层enhance增强Para.26resistance抵抗，耐fatiguecracking疲劳破坏Para.27ferritic铁素体terrific可

34、怕的，极妙的austenitic奥氏体alloyingelement合金元素extend延长fatigueresistance抗疲劳性powdermetallurgy粉末冶金Para.28inconnectionwith关于，与有关glowingred-hot赤热发光ounce盎施=28.35gbendingload弯曲载荷thermalshock热冲击corrosion腐蚀oxidization氧化Para.29foregoing前面的,上述的itfollowsthat因此,可见permissible允许的metallurgist冶金学家Para.30creep蠕变finiteusefullife有限使用寿命failure失效Para.31forge锻造forging锻件cast铸造creepproperty蠕变性能fatigueproperty疲劳性能Para.32reveal揭示,显示amyriadof无数crystal晶体equi-axed等轴的servicelife使用寿命dire