《航空工程技术英语》课件——Chapter 3 Environment Control教学课件：Chapter 3 Environment Control System.pptx
EnvironmentControlSystem航空工程技术英语
目录CONTENTSPneumaticsystem01AirConditioning02PressurizationSyetem03OxygenSyetem04
PneumaticsystemPART01
PneumaticsystemThepurposeofthepneumaticsystemistosupplycompressedairforacontrolledtemperatureandpressureenvironmentduringallphasesofflightandgroundoperation.Airisobtainedfromenginebleeds,APU,orfromanexternalgroundcartthroughaconnectorlocatedonthefuselage.发动机引气气动的，气源的压缩空气Theaircraftenginesaretheprimarysourceofcompressedairinflight.Theenginebleedairistemperatureandpressurecontrolled.外部气源车A．Sourcesandusers
AgroundairsourceisanalternativetotheAPUforthesupplyofcompressedairontheground.ThereisoneHighPressure(HP)groundconnectorinstalledontheaircraft.Youcanuseittoletthegroundairsourcesupplycompressedairtothepneumaticsystem.PneumaticsystemTheAuxiliaryPowerUnit(APU)istheprimarysourceofcompressedairontheground.YoucanalsousetheAPUtosupplybleedairtotheusersystemsduringflight.TheAPUcansupplybleedairuptoanaltitudeof20000ft.(6096m).备用的，二选一的辅助动力装置A．Sourcesandusers
PneumaticsystemThepneumaticsystemcontrolsthetemperatureandpressureofenginebleedairsource.Thepneumaticsystemprovideshightemperature,highpressureairfortheairconditioning,pressurization,wingandcowlthermalanti-icing.Also,thepneumaticsystemprovidespressureforthepotablewatersystem,hydraulicsystemandenginestarters.Theenginebleedairsystemsarelocatedontheengineandwithinthesupportstrut.空调系统A．Sourcesandusers增压系统防冰饮用水液压的发动机起动机
Pneumaticsystemthewingiceprotectionsystemthenacelleanti-icevalvetheairconditioningsystemtheenginestartingsystemthehydraulicreservoirpressurizingsystemthepressurizedwatersystemThepneumaticsystemsuppliesthesubsequentaircraftsystems：reservoir液压油箱，滑油箱
PneumaticsystemB.Pneumaticduct