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ID:31948843
大小:11.99 MB
页数:81页
时间:2019-01-29
《超高速电梯关键部件气动特性-分析与优化设计》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、浙江大学硕士学位论文——————————————————————~竺!坠!!ABSTRACTModemelevato‘techno】ogYisdevelopinginthedirect.onofhighspeed,jnte】】jgence,andcom士ort·wjththeimprovement。ftheelevat。rspeed,theultra-hjghspeedeJevat。f’unnl.ngwjthmn跏w’IongshaRwillcauseaserieS。faerodynamicprob】emSjncjuding?叩删cdrag’a啪dynamicnoiS
2、eand10w能quencyvibratIon,whjchw川bringgre:c::引17沁曲eekVa幻rridec。mfortandSafety.⋯hiSdjsSenaI.on,thee鼢s。ntheu儿’a—hlgh5peedeJeVatoraerodynamiccharacteristics。fkeycomponent。fe】evat。rincludingcou.nter。-weighLSh姐Ven协andcarai棚oWShroudisanalyzed,theaerodynamjc0ptimizatio:腓m:)d‰甜佣m㈨pproximatereSpon
3、SeSu慨emodelisprop。sedtooptimizetheaerodYnamlccharacteristicsoftheuItra-highspeedelevator.Themaincontentsofthedissertationareasfoilows:Jnthef;rStchapter'thedeveIopment。feIevat。rtechn。l。gyandthecu眦ntresearch姗ituati.on.ot’high5peedeJevat。raerodynamicn。iSe,aerodynamicforceandaer。dynamicopti
4、m.JZatj咖metb。da陀reVjewed,theaerodynamic。ptimizati。nmeth。dispmpoSedforhighSpeedeleVatorSaerodynamicdesign-⋯heend,thebackground,m岫c。ntentavd1’ameworkoftheresearchispresented.1nthesec。ndchapter,thedissertati。nintr。ducedtheaerodynamjccharacteristicsnuI『:e。1cal51mula‘3。nme‘h。d。fultra—highspe
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6、tweencarandcounte卜weightintheprocess.1nthethl7dchapte。,theairflowandpressure。fairparticlesintheelevatorshanareanal⋯yzed1nthe。。y,andtherelati。nshipbetweenVeI。cityandtime。fa.randcarunderidealc。ndltlons13obtained,theairVel。citychangingcurveiscalculatedbyfourth。rderR,ung.e-.Kuttameth。d·Thed
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