高速交会列车的气动性能与车辆动力学特性分析

《高速交会列车的气动性能与车辆动力学特性分析》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、西南交通大学硕士研究生学位论文第1I页Abstract’11leaerodynamicsoftv旧仃ainspaSsingeacho也erisoneoft11eimportant嬲pectsontllesaf巩andcomfortofn面ns．ReSe孤chingt11efomlingcaus撕onof慨naerod)，n锄icperf0咖ances觚dvehicledyn锄icch粼t嘶Sticsoflli曲-Speed砌nsp嬲singeachotherissi印ificantt0mef瓠t孤dsec嘶够n1皿ingof嘲ns．Findi

2、ngouthow仃ainspeed’e11访r0IⅡn∞tcrosswindspeedandlinescnviroIlmentinnuellcillgtlledynanlicperfo衄ancesof仃ainsp鹊singeachotllerisalsoimport觚t．BaLsed0n也eaerodyn锄ic雒dvehicledyn锄ics，the缸面n稠的dyn锄icmodelandvehicledyll锄icmodelarees诎IliShed，respectiVelMin也ispap睨n髓bynlesimulationofnle订ai

3、ll踟dynamicmodel锄dvehicledynamicmodelwitllt11eC0mputationalsoRwareFLlJENTandSMPACKthepresSurcwaves砚d∞rodyn锄icforccsaIldVe：IlicledynamicresponscSarcobtailled．Tllepressl

4、redistribution，presSⅦrewaveSaIldaerodyn锄icf．0rcesoft11e仃ainspaSsingeachomcrareC0ncenledonmeSudyof砌n∞rodymai

5、cp耐b衄ances．Andtllese仅lri付iIldeXes(coe伍cieIltofderailment，whedunloadingrate，tlleWheelset1a_teralforCea11d也e、)I，_heel．railverticalforce)，comfortindcxeS(melateralaccelerationandmeverticalacceleration)areconcenledonmeThecontentofSnld姐ngonme仃ainsp弱singstudyofnleVehicledyn锄icChar

6、砌丽stics．e葩hotllerindudes也ef0110wing嬲pectsint111spapcr：1．TllebaSicaerod)，n锄icp娟maIlceandvehicledyn锄icch锄脱耐sticsarcstudied、加moutcrosswindcIlV衲nm毗觚dmerelationShipbet、jl，eeIldyn锄icresponsesand仃ainspecdis0btaillcd．2．The缸n黜d”锄icper

7、’0nnance肌dvehicledyIlamiccharact耐sticsareli仕1emn

8、ueIlccdbydi任．erentlilles(groun也锄balll鼢ent锄dbridge)inmeopenairwiⅡloutcross、衍ndenvironment．3．Therationalityof臼．ackspacing5．Omispr0Vcdt0tlle饿linpaSSingeachomcratmespeedof350kⅡl／11aIld380km／h．111饥，aIlal)，zing也einnuenccSt0廿le订aindynamicpef的maIlcesbymetrackSpacin吕tllesllggested仃a

9、ckspacingsareproposedformehighef-speed删n．4．Therclationship锄ongn．aindyn锄icperformanCes，础Spacing锄dlellgtllofthes骶am．1inednoseisstlldiedatmespecdof450blm．11h既mesuggestcd1eIlgtllofmeS仃c锄．1inednoseisproposedforthe仃ainpassingeachotherat也espeedof450h=l／llonme5．0IIl仃砌(spacing．5．Bys

10、tud)，ingoft11e、析ndfielddistributionindifj融r饥tliIles(g删，e芏Ilba妇entandbridge)、^，itll