大涵道比涡扇发动机发展研究-沈锡钢

。。。。。～。、、。、。、、、、、、、、、。InvestigationofHighBypassRatioTurbofanEngineDevelopmentSHENXi-gang,QIXiao-xue,HAOYong（AVICShenyangEngineDesignandResearchInstitute,Shenyang110015,China）Abstract:Highbypassratioturbofanenginehasbeenwidelyusedinglobalmarket,andithasremarkablepromotionandstrategymeaningoneconomydevelopment,nationaldefenseconstruction,andscienceandtechnologyimprovement.Thefuturedevelopmenttrendwassummarizedthatincludingtheperformanceishigher,theairworthinessrequirementisstricter,theaffordabilityandenvironmentalprotectionabilityarebetter.Thedevelopmentroadwasoverviewedthatismoreinherentandlessinnovation,andisderivatesfromcommoncore,andcouldbeusedinbothmilitaryandcivil.Forfutureadvancedhighbypassratioturbofanengine,thecommonandspecialtechnologiestobedevelopedanddemonstratedareproposed.Thecommontechnologiesincludegeneralenginedesign,stability,highpressureandhighefficiencyturbomachinery,highperformancecombustor,advancedsecondairsystem,etc.Thespecialtechnologiesincludeairworthiness,largesizelean-sweptfanblade,compositesfanblade,lownoisedesign,lowemissioncombustor,thrustreverser,etc.Keywords:highbypassratioturbofanengine;developmentideas;keytechnology。。。。ДΚΠ。、、、、、、、。、～。。、、。、。、、、、、。、。。。。、。ПС。。。“”。、、“×××××××ПС××ДΚΠ××～·～～～～、、、、、、、、、·～～～～～～～～～～～～～～～～～～～～～～～～～～～～～～”。～。。。、、、。、、、。。、、。。。、。。。。、。。。。、。。、、、。。。。。。。。。、、、。、。、、。、。。。。。、。、。、。。。。。。。。、。。。。、、。。。。。、。、、、。“”。。———“”。“”“”。“”。。“”。～～。。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!