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Volume 30 Issue 02
Feb.  2004
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Journal of Beijing University of Aeronautics and Astronautics  > 2004  >  30(02): 152-155.
Fang Xiangjun, Liu Siyong, Wang Pinget al. Mixed flow fields numerical simulation of ram air turbines with autocoarse pitch[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(02): 152-155. (in Chinese)
Citation: Fang Xiangjun, Liu Siyong, Wang Pinget al. Mixed flow fields numerical simulation of ram air turbines with autocoarse pitch[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(02): 152-155. (in Chinese)
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Mixed flow fields numerical simulation of ram air turbines with autocoarse pitch

  • School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • Received Date: 10 Oct 2002
  • Publish Date: 29 Feb 2004
    Abstract
  • The aim of numerical experiment of ram air turbines is mainly to simulating its adjustable-pitch aerodynamic characteristic on the actual flight-refuel conditions. The Baldwin-Lomax turbulence model and the Reynolds-averaged Navier-Stokes were used to simulate the 3-D internal and external mixed flow fields. The present paper also discussed the cause of load distributing on the blade surface and analyzed the main aerodynamic characters of the turbine flow fields. The simulation results were compared with the experimental results of wind tunnel. It was pointed that it can improve the ram air turbines performance by optimizing the blades shape near the hub region.

     

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  • [1]Mike Koerner. Recent developments in aircraft emergency power[R]. AIAA 2000-2 802,2000 [2]eries D. On the theory of the horizontal axis wind turbine[J]. Fluid M ech, 1983,15:77~96 [3]剑峰,刘思永.水平轴风力涡轮性能的升力线算法[J]. 太阳能学报,19 97,18(1):80~85 Zhang Jianfeng, Liu Siyong. The lift line algorithm of horizontal axis wind turb ine performance[J]. Acta Energiae Solaris Sinica, 1997,18(1):80~85(in Chi nese) [4]akoto Iida, Chuichi Arakawa. Three dimensional navier-stokes flo w-field computations through horizontal axis wind turbine blade[R]. AIAA 2001 -0058,2001 [5]保国,黄虹宾.叶轮机械跨音速及亚音速流场的计算方法[M]. 北京:国防工业出版社,2000
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