流线型地铁列车车头设计及其气动性能分析

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1、东南大学硕士学位论文流线型地铁列车车头设计及其气动性能分析姓名：周立申请学位级别：硕士专业：车辆工程指导教师：张建润20060501StreamlinedDesignandNumericalCalculationofAerodynamicCharacteristicsofMetroTrainHeadZhouLiZhangJian-runSoutheastUniversityABSTRACTModemmcqrohasbeendevelopedl-ath自l"perfecayinthepast100years．ItIJd7．o

2、mesthemostimportantwaytoalleviatethe仃墒cpressure．mthebigcitiesafotmdworld．Inmostcities．itisthesymbolofacity．Therefore，thememfotrainCOlltOllrdesign,withstreamlined,smooth雄lpI％瑚∞andextremelyrichmodernfeeling．beginstoattractpeople'sattention．Atthesmctime,withthegradlI

3、allyextensionofsubwaytothesuburbancounties,themetrohastomeetaninevitabletrendtoincreaseitsspeed．Andwiththehigherrequirementstotheurbanenvironment,811importantfic坩ofmell'otechniquedevelopmentistDsolvetheaerodynamiceffectoftherunningmetrotrain．Inthisthesisthestreaml

4、inedmela'otrainheaddesignwhichareboth缸artisticandgoodaerodynamiccharaclerisfic_isproposed．TilefollowingeffortsarepresentedInthisthesis：(1)Computationmodelofcontourdesignanditsimprovementmestablished．Thentmaericalsimulationtothesemodelsusingthetheoryoftrainaerodyna

5、micsandcomputationalfluidsdynmnicssoftwarecalledCFXa聆c删ed鲫t(2)Ac∞柑ingtotheaboveresult,thedifferenceofthedistributingofflowoutfield,pressmefieldandtheaeroaymmicparametersamongthesemodelsareanalyzedandcompared．Theproperparametersofcontourdesignofstreamlinedtrainhead

6、wereachievedandsouleresultsabomtherelationsofdiffemntCoutoul5anddifferentⅢ嘶l培stateswe撑acquired．TlleyprovidetheoreticalfoundationforthedevelopmentofmetrowainCAMltOtlrdesign．(3)Basedontheoreticalanalysisabove，threestreamlinedtrainheadscha均西盯i盟dthecitywithmanydiffere

7、ntstylesmpresentedaccordingtotheprinciplesofmodelingdesignandaerodyrmmi,：design．Kt．ywords：MetroTrain,ContourDesign,瓯n锄Iill融AerodynamicsofTrain,NumericalSimulation,AerodynamicCharacteri鲥csⅡ东南大学学位论文独创性声明本人声明所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除了文中特别加以标注和致谢的地方外，论文

8、中不包含其他人已经发表或撰写过的研究成果，也不包含为获得东南大学或其它教育机构的学位或证书而使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示了谢意。研究生签名：I至l童日期：旦L三-东南大学学位论文使用授权声明东南大学、中国科学技术信息研究所、国家图书馆有权保留本人