真空管道磁悬浮列车混合悬浮支承设计与研究
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摘要
为了克服列车高速行驶时空气阻力大的缺点,真空管道磁悬浮列车这一概念被提出。作为一种新型超高速地面交通工具,真空管道磁悬浮列车具有广阔的发展和应用前景。对真空管道磁悬浮列车的悬浮支承系统进行研究,针对单一悬浮支承方式的不足,设计了一种永磁电动与电磁混合悬浮支承结构。使用Ansoft Maxwell软件对混合悬浮支承结构进行仿真计算,分析结果表明,该混合悬浮支承能够有效降低起浮速度,减小磁阻力,增大浮阻比,降低系统能耗,更加适用于真空管道磁悬浮列车。
Evacuated tube train was proposed to eliminate the huge aerodynamic drag of high speed train. As a new transportation with super-high speed on the ground,evacuated tube train has broad prospects for development and application. The hybrid suspension system for evacuated tube train is studied,to avoid the short of single EDS or EMS,a hybrid suspension structure,consisting of permanent magnet electrodynamic suspension and electromagnetic suspension,is designed. The structure is calculated and simulated using Ansoft Maxwell. According to the result,this hybrid suspension system can lower the liftoff velocity effectively,decrease the drag force and power loss,while increasing the ratio of lifting force and drag force,thus is more suitable for evacuated tube train.
Evacuated tube train was proposed to eliminate the huge aerodynamic drag of high speed train. As a new transportation with super-high speed on the ground,evacuated tube train has broad prospects for development and application. The hybrid suspension system for evacuated tube train is studied,to avoid the short of single EDS or EMS,a hybrid suspension structure,consisting of permanent magnet electrodynamic suspension and electromagnetic suspension,is designed. The structure is calculated and simulated using Ansoft Maxwell. According to the result,this hybrid suspension system can lower the liftoff velocity effectively,decrease the drag force and power loss,while increasing the ratio of lifting force and drag force,thus is more suitable for evacuated tube train.
引文
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[3] POST R F,RYUTOV D D. The Inductrack:a simpler approach to magnetic levitation[J]. IEEE Transactions on Applied Superconductivity,2000,10(1):901-904.
[4]贺光.基于Halbach结构的永磁电动与电磁混合悬浮技术研究[D].长沙:国防科学技术大学,2010.
[5] HALBACH K. Design of permanent multipole magnets with oriented rare earth cobalt material[J]. Nuclear Instruments&Methods,1980,169(1):1-10.
[6]李春生,杜玉梅,严陆光.应用于磁浮列车的直线型Halbach磁体结构的优化设计[J].高技术通讯,2007,17(7):724-729.
[7]陈殷,张昆仑.板式双边永磁电动悬浮电磁力计算[J].电工技术学报,2016,31(24):150-156.
[8] KRATZ R,POST R F. A Null-current electro-dynamic levitation system[J]. IEEE Transactions on Applied Superconductivity,2002,12(1):930-932.
[9]郭亮,卢琴芬,叶云岳.磁悬浮列车用直线电机的有限元分析和电感计算[J].浙江大学学报(工学版),2006,40(1):167-170.
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