永磁导轨上高温超导块材排布方式与悬浮力关系的研究  

STUDY OF THE RELATIONSHIP BETWEEN LEVITATION FORCE AND THE ARRANGEMENT OF GIGH TEMPERATURE SUPERCONDUCTIVITY BULKS OVER GUIDEWAY

作　　者：秦公平[1] 赵立峰[1] 杨烨[1] 羊新盛[1] 蒋婧[1] 白雪[1] 秦黎[1] 张勇[1] 赵勇[1,2] 

机构地区：[1]磁浮技术与磁浮列车教育部重点实验室,西南交通大学超导研究开发中心,成都610031 [2]School of Materials Science and Engineering, University of New South Wales, Sydney 2052 NSW, Australia

出　　处：《低温物理学报》2010年第4期257-261,共5页Low Temperature Physical Letters

基　　金：教育部长江学者与创新团队计划项目(批准号:IRT0751)资助的课题

摘　　要：本文研究了YBCO块材排布方式与其在永磁导轨上悬浮力的关系.实验结果表明:悬浮力与随悬浮间距成指数关系.而YBCO块材在导轨上方排列方式的不同,导致沿轨道横截面方向,每块超导块获得的悬浮力平均值差异较大.当超导块集中分布于轨道上方磁场强度最大的区域时,超导块平均悬浮力最大.这意味着,与其他排布方式相比,在获得同等悬浮力情况下,这种排布方法的超导块用量最少.这一结果对于超导磁悬浮系统的设计具有指导意义。Relationship between levitation force of YBCO bulks and their arrangements over permanent magnet guideway was studied.The results show the exponential correlations between levitation force and suspension spacing.Otherwise,different arrangement of YBCO bulks over guideway results significantly different average levitation force of YBCO bulks assembled in cross section of magnet guideway.When all the YBCO bulks are arranged near the region with strongest magnetic field above guideway,the average of levitation force for bulks is the most.Which means,compared with other arrangements,fewer amounts of bulks claiming the same total levitation force.This may be greatly helpful for the design of high temperature superconductor maglev vehicle system.

关 键 词：超导磁悬浮 悬浮系统 悬浮力与排布方式 

分 类 号：O511[理学—低温物理]