欢迎来到天天文库
浏览记录
ID:48094321
大小:527.72 KB
页数:4页
时间:2019-11-26
《发动机加力喘振故障原因仿真分析.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、í47îí2ï?ðXRÊñVol.47No.22017Ó3òAeronauticalComputingTechniqueMar.2017w%#xjyz{
2、r}~7m«¬,«®,I¯°,±²³(2345#$6789:$1,;22<710072)01:´µ¶·¸¹6º»¼-¸¶½¾¿À,H57Á@S¹6ÂÃÄÅ!LÆÇ。2ÈKɶ½¾¿ÀnÊ,ËÌÍι6ÏÐÑ_RKÉÈÒÓÔÕÖ×ÏÐØ8¶½¾¿ÀÙÚCcÖ,ۼȶÜÝBÞß-¸½¾CcÖ;q»v?àIAMESimC¶ÒÓÔÕÖ×RSàISimulink¹6K}B8mRjQÈá[âR,àIá[âRKÉÈÒÓÔÕÖ×ÐØ8
3、¶½¾¿ÀÙÚCcÖ,ãKÉÈÒÓäåæçHI-¸½¾èçCÆÇ。234:yé¹6;¶½¾;¶ÒÓÔÕ];ê¢ëì]56789:V233:;<=>:A:?@9:1671?654X(2017)02?0072?04SimulationandAnalysisofCauseforAugmentedEngineSurgeWANGLei,WANGJing?yu,YUHua?feng,GuoYing?qing(SchoolofPowerandEnergy,NorthwesternPolytechnicalUniversity,Xi′an710072,China)Abstract:Fan
4、surgeoftenoccurredtoanaugmentedturbofanengine,whichhasseriouseffectsontheaircraftsafetyandenginelifetime.Inordertoanalyzethecauseofenginesurge,therelationshipbetweensteady?stateperformanceofthenozzlecontrolsystem(NCS)andfansurgeisanalyzedviathesteady?stateenginemodel,andtherelationshipof
5、thepositionofaugmentedoperationlineandlow?pressureoperationlineisstudied.Besides,theco?simulationmodelisconstructedthroughtheNCSmodelinAMESimenvironmentandthepiecewiselinearmodelinSimulink,andtherelationshipbetweendynamic?stateperformanceoftheNCSandfansurgeisstudiedbasedontheco?simulati
6、onmodel,andtheeffectsofthespeedofnozzleareachangingonfansurgemarginarealsoanalyzed.Keywords:aero?engine;fansurge;augmentednozzlecontrolsystem;pressurerationcontrolunitAB7,"Â7¹p3/p2C+Dj¢,¾Î=#$?ðÏ-"ÑPmÍj)*%&'ÑP¹(CÙ,Ï-">t¹,,@A64?zC[3]ù,(ºÑP(%)§=*+,ÍCOPÂÑÏ-a@。"P,-©@A*."@A[1-2]。awÏ-"HYKÑP¹î9_Ñ
7、P¹©,Ï/G0ÑP1q2,34Ï-",ÑP@AmÍ-"64ÕÖjÑPABCD。U(º01+,55B:mÍjFGÚÑPEFmÍGqHÖ,«IÚqm,f→nH=4DJwCDÑÑP+,mÍj0.÷j,ebK2#CD¹ÙsmÍjìX9:Êñ×Ø。qm,faf=T7,af=4DA8→πT=f(p3/p2)¥Ï-"6ÑP@A©,(ºOPë(%)§1xjqm,f@Ø_74E4<nH,d*."6W@wÏ-"ÑP+,mÍjë(2L7¹OPA;(ºOPÑP(%)§qm,faf,mÍÑP(89:、+,M%N=+,@-O³´,Ó1。+}T7,af@Ø4D,rÒ%&'çèdÑP¹'ù;(º~7¹
8、OP[*.,%pn§、¹²=ÖmÍPÔOP*+,ÍA8,mÍ3;<7¹πT,f+Ï_7C©Q。+n§p3/p2Ú*Ö3;<7¹p3/p6CCDEF:2017-02-13IJKL:RS(1966-),à,TUWVå,Wçèéê,ë(èécÙe?ðÏ-"mÍÑHÖ。2017Ó3òRS³:Ï-"ÑPABCD£vHÖ«I·73·ï÷>,n§¥ø3;<7¹、Ñ+ï÷>¨§8ÖÍj?A0.Ñ64ÑPABCDN÷Cj>,Ú)*>Ömͧ。Ó2,eÌ3ÀÁÑPa@3-çè,rÒC7¹OP["XY7Zè,Hf~[<Ö64a@3Ó3,ªÏ-"6
此文档下载收益归作者所有