supported by the National Natural Science Foundation of China(Grant Nos.51342001 and 50872079);the Key-grant Project of Chinese Ministry of Education(Grant No.311033);the Research Fund for the Doctoral Program of Higher Education of China(Grant No.20120202110003);the Innovation Team in Shaanxi Province,China(Grant No.2014KTC-18);the Fundamental Research Funds for the Central Universities,China(Grant Nos.GK201101001 and GK201305014);the Outstanding Doctoral Thesis Foundation Project of Shaanxi Normal University,China(Grant Nos.X2011YB08 and X2012YB05)
The influence of the width of the middle magnet in the permanent magnet guideways (PMGs) on the levitation force and the levitation height of single-domain yttrium barium copper oxide (YBCO) bulks has been investi...