Polygonisation of railway wheels:a critical review

查看全文 作　　者：Gongquan [1]Tao;Zefeng [1]Wen;Xuesong [1]Jin;Xiaoxuan [1]Yang

机构地区：[1]State Key Laboratory of Traction Power,Southwest Jiaotong University,Chengdu 610031,China

出　　处：《Railway Engineering Science》索引2020年第28卷第4期,共29页

基　　金：the National Natural Science Foundation of China(Grant Nos.51875484,U1734201,51805450,51775455,U1434201 and 51475390);the Science and Technology Program of Sichuan Province of China(Grant No.2020YFQ0024);the Scientific Research Foundation of the State Key Laboratory of Traction Power of Southwest Jiaotong University(Grant Nos.2020TPL-T03 and 2020TPL-T12);China Postdoctoral Science Foundation(Grant No.2020M673281). 摘　　要：Polygonisation is a common nonuniform wear phenomenon occurring in railway vehicle wheels and has a severe impact on the vehicle–track system,ride comfort,and lineside residents.This paper first summarizes periodic defects of the wheels,including wheel polygonisation and wheel corrugation,occurring in railways worldwide.Thereafter,the effects of wheel polygonisation on the wheel–rail interaction,noise and vibration,and fatigue failure of the vehicle and track components are reviewed.Based on the different causes,the formation mechanisms of periodic wheel defects are classified into three categories:(1)initial defects of wheels,(2)natural vibration of the vehicle–track system,and(3)thermoelastic instability.In addition,the simulation methods of wheel polygonisation evolution and countermeasures to mitigate wheel polygonisation are presented.Emphasis is given to the characteristics,effects,causes,and solutions of wheel polygonisation in metro vehicles,locomotives,and highspeed trains in China.Finally,the guidance is provided on further understanding the formation mechanisms,monitoring technology,and maintenance criterion of wheel polygonisation. 关键词：Railway vehicle Wheel polygonisation Wear mechanism Wheel-rail interaction

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Polygonisation of railway wheels:a critical review

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