車(chē)輪踏面磨耗及輪徑差對(duì)高速動(dòng)車(chē)組動(dòng)力學(xué)性能影響研究.pdf

1、北京交通大學(xué)碩士學(xué)位論文車(chē)輪踏面磨耗及輪徑差對(duì)高速動(dòng)車(chē)組動(dòng)力學(xué)性能影響研究姓名：楊朝陽(yáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：車(chē)輛工程指導(dǎo)教師：任尊松20090601ABSTRACTABSTRACT：Withthedevelopmentofhighspeedtrain，theinfluenceofwheeldefectsontheoperationsafetyisbecomingoneofthecriticalfactorsoftheEMUWheeld

2、efectsmainlyincludewheeltreadwornandrollradiidifferenceWemuststudyhowthewheeldefectsinfluencethedynamiccharacteristicsoftheEMUtoensurethesafetyoperatingofthetrainaccordwithcountry’ScriterionInthisdissertation，highspeedpa

3、ssengertrainofCRI12—300、Vaschosenasthestudyingobject，thedynamicmodelWasbuiltbytheCAEsoftwareSIMPACKBysimulatingtrainoperationsatdifferentwheeldefectssituations，themaindynamicparametersandsafetyoperatingcriterionsincludin

4、gwheelrailforcederailmentcoefficientdecreaseratioandrideindexeswerecalculatedandanalyzed，whichwereveryhelpfulforthestudyhowthewheelwornandrollradiidifferenceinfluencethedynamiccharacteristicsoftheEMUThereareacademicvalue

5、sintheaspectofanalyzingtheperformanceoftrainoperatingatthedifferentwheeldefectssituationswhichinfluencethecharacteristicsofthedynamicsoftheEMUTheachievementsoftheresearchinthedissertationhavereferentialsignificanceandpra

6、cticalsensestopromotehi曲speedrailwayprojectonguaranteeingaerodynamicstabilityandsafetyoftheEMUAnditiscontributetodraftrelevantstandardsKEYWORDS：Hi曲speedtrain；Dynamics；Wheeltreadwom；Rollradiidifference；SecurityCLASSN0：U29