In order to explore the self-acting gas bearings cryogenic turboexpander, both foil journal gas bearing and spiral groove thrust bearing have been studied theoretically and experimentally.

• 为了研制全动压气体轴承低温透平膨胀机，对弹性支承动压气体径向轴承、平面螺旋槽动压气体止推轴承开展了系统、深入的理论分析与试验研究。