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Volume 29 Issue 3
Mar.  2003
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Journal of Beijing University of Aeronautics and Astronautics  > 2003  >  29(3): 244-247.
Li Lin, Yu Jianzu, Xie Yongqiet al. Design of SmallSize and HighPressure Centrifugal Fans Used in Helicopters[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(3): 244-247. (in Chinese)
Citation: Li Lin, Yu Jianzu, Xie Yongqiet al. Design of SmallSize and HighPressure Centrifugal Fans Used in Helicopters[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(3): 244-247. (in Chinese)
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Design of SmallSize and HighPressure Centrifugal Fans Used in Helicopters

  • Dept. of Flight Vehicle Design and Applied Mechanics, Beijing University of Aeronautics and Astronautics

  • Received Date: 10 Oct 2001
  • Publish Date: 31 Mar 2003
    Abstract
  • Based on the characters of high-pressure, high-speed and small-size of centrifugal fans used in helicopters, the basal structure parameters of the fans were analyzed and calculated. Efforts were made to analyze the flowing rules of the gas in the impeller. Influence of distribution of the gas vortex on the across-section was discussed. Restriction requirements of selecting the gas vortex was put forward. The shape of the meridian-section and the across-section was designed. It was proved that the efficiency of the centrifugal fans can be evidently improved by reasonably determining the distribution of the gas vortex.

     

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  • [1] 商景泰.通风机手册[M].北京:机械工业出版社,1994 Shang Jingtai. Fans handbook[M].China Machine Press,1994(in Chinese) [2] 徐 忠.离心式压缩机原理 [3] 沈天耀.离心叶轮的内流理论基础[M].杭州:浙江大学出版社,1986 Shen Tianyao. The internal-flow theoretical foundation of centrifugal impeller[M].Hang Zhou:Zhejiang University Press,1986(in Chinese) [4] 朱报祯,郭 涛.离心压缩机[M].西安:西安交通大学出版社,1989 Zhu Baozhen, Guo Tao. Centrifugal compressors[M].Xian:Xi'an Jiaotong University Press,1989(in Chinese)
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