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Volume 31 Issue 04
Apr.  2005
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Journal of Beijing University of Aeronautics and Astronautics  > 2005  >  31(04): 459-463.
Hao Weidong, Deng Xueying, Qu Fanglianget al. Simulated test technique for engine air intake and exhaust in high speed wind tunnel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(04): 459-463. (in Chinese)
Citation: Hao Weidong, Deng Xueying, Qu Fanglianget al. Simulated test technique for engine air intake and exhaust in high speed wind tunnel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2005, 31(04): 459-463. (in Chinese)
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Simulated test technique for engine air intake and exhaust in high speed wind tunnel

  • 1.

    School of Aeronautic Science and Technology, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2. Chinese Aerodynamic Research Institute of Aeronautics, Harbin 150001,China

  • Received Date: 14 Oct 2003
  • Publish Date: 30 Apr 2005
    Abstract
  • To study this test technique, the engine simulator(turbine powered simulator, ejectors)and the simulated parameters were analyzed and compared firstly in this paper. The Calculating methods of the ejector were presented using the theoretical base of One-dimensional ideal flow. An engine air intake and exhaust simulation experiment of a cruise missile with the ejector(the maximum diameter of the ejector is 41mm) was conducted in the FL-7 transonic wind tunnel.The test results showed that the free stream Mach number and nozzle pressure ratio getting 100% simulated, the flux coefficient realizing 89% simulated. The air intake and exhaust can increase the value of lift and drag, simultaneously the value of pitching moment was decreased, the value of base drag of the model is negative in no matter which situation whether existing air intake and exhaust or not.

     

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  • [1] 起麟.风洞试验[M].北京:国防工业出版社,2000.295~305 Yun Qilin. Wind tunnel testing [M]. Beijing:National Defence Industry Press,2000. 295~305 (in Chinese) [2] 卫东,曲芳亮.校准箱的基本结构和应用[J].流体力学试验与测量,2002,16(4):27~32 Hao Weidong, Qu Fangliang. The basic construction and use of the calibration tank[J]. Experiments and Measurements in Fluid Mechanics, 2002,16(4):27~32(in Chinese) [3] 德馨.风洞天平〔M〕.北京:国防工业出版社,2001.225~225 He Dexin. Wind tunnel balance [M].Beijing:National Defence Industry Press, 2001.225~225(in Chinese) [4] 洁川.风洞试验手册[M].北京:航空工业出版社,2002.369~377 Fan Jiechuan. Handbook of wind tunnel test[M]. Beijing:Aeronautics Industry Press, 2002.369~377(in Chinese)
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