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两轮升压式空气动压轴承涡轮冷却器起浮压力计算

赵云峰 胡文超 朱刚 宁家强

赵云峰, 胡文超, 朱刚, 宁家强. 两轮升压式空气动压轴承涡轮冷却器起浮压力计算[J]. 航空动力学报, 2012, 27(9): 2155-2160.
引用本文: 赵云峰, 胡文超, 朱刚, 宁家强. 两轮升压式空气动压轴承涡轮冷却器起浮压力计算[J]. 航空动力学报, 2012, 27(9): 2155-2160.
ZHAO Yun-feng, HU Wen-chao, ZHU Gang, NING Jia-qiang. Calculation of start-up pressure of two-wheel bootstrap air cycle machine with foil air bearing[J]. Journal of Aerospace Power, 2012, 27(9): 2155-2160.
Citation: ZHAO Yun-feng, HU Wen-chao, ZHU Gang, NING Jia-qiang. Calculation of start-up pressure of two-wheel bootstrap air cycle machine with foil air bearing[J]. Journal of Aerospace Power, 2012, 27(9): 2155-2160.

两轮升压式空气动压轴承涡轮冷却器起浮压力计算

Calculation of start-up pressure of two-wheel bootstrap air cycle machine with foil air bearing

  • 摘要: 通过分析两轮升压式空气动压轴承涡轮冷却器的起浮原理,建立了计算起浮压力的方法.按照该方法编制程序计算了某型涡轮冷却器在不同条件下的起浮压力,计算结果与试验实测数据吻合较好,说明计算方法具有较高准确度.通过计算和分析可以看到涡轮出口背压和轴承预紧对轴承起浮影响较大,背压越低则起浮压力越低;轴承预紧力越大则起浮压力越高.

     

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出版历程
  • 收稿日期:  2011-10-25
  • 刊出日期:  2012-09-28

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