超伝導反発形磁気軸受 : 第1報,スラスト軸受の性能

概要

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The repulsive magnetic bearings using the diamagnetism of a superconductor are expected in cryogenic engineering, because superconducting bearings can support cryogenic rotors and devices without any mechanical contacts and control and control units at low temperature. However, superconducting bearings have not been developed in industrial applications, since the supporting mechanism and the performance of the bearings have not been analyzed in detail. This paper reports the experiment of Niobium thrust bearings and FEM analysis of magnetic field. The experimental data show a good agreement with the results of numerical calculation upto the field higher than H_<cl>. Judging form analysis of the results, we guess that the load capacity of superconducting bearings is restricted by H_<c2> and J_c.
一般社団法人日本機械学会の論文
1986-09-25