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Volume 33 Issue 10
Oct.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(10): 1178-1181.
Yu Li, Zhang Xinhua, Li Shuishenget al. Experimental on canopy payload performance of parachute[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(10): 1178-1181. (in Chinese)
Citation: Yu Li, Zhang Xinhua, Li Shuishenget al. Experimental on canopy payload performance of parachute[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(10): 1178-1181. (in Chinese)
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Experimental on canopy payload performance of parachute

  • 1.

    College of Aerospace Engineering, Nanjing University of Aeronauics & Astronautics, Nanjing, 210016, China

  • 2. Aerospace Life-Support Industries, LTD, Xiangfan, 441003, China

  • Received Date: 23 Oct 2006
  • Publish Date: 31 Oct 2007
    Abstract
  • The opening process of the circle flat parachute with the differential size and the differential vent position of the canopy by the steady flow wind tunnel were dynamic tested. The transient opening loads and the inflation shape of canopy were measured and the dynamic relation of them was gained. The results show that the transient opening loads are influenced not only by the aerodynamic forces of parachute, and the force produced by the change rate of added mass, but also by the instability and wave of canopy (or parachute suspension line). At mean time, the mean payload of canopy is nearly equal to 60% of the opening shock for the steady canopy. Besides, the load fluctuation is mostly produced by the "breath" phenomena. The bigger actual vent area of canopy, the better stability of a parachute, but the parachute inflation performance will worsen. The experiment investigation may be helpful for the further research.

     

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    • References(1)
  • [1] 王利荣.降落伞理论与应用[M].北京:宇航出版社,1997:170-273 Wang Lirong. Parachute theory and applications[M].Beijing:Space Navigation Press, 1997:170-273(in Chinese) [2] 龚文轩.降落伞附加质量与开伞动载[J].航空学报,1995,16(1): 84-86 Gong Wenxuan.Parachute added mass and opening forces [J].Acta Aeronautica et Astronautica Sinca,1995,16(1): 84-86(in Chinese) [3] John C. Brinkman. Development and testing of a new reefing system to reduce parachute opening shock characteristics during seat ejection .ADA395743,1992 [4] Dean wolf. Parachute opening shock . AIAA-99-1702, 1999 [5] Calvin K Lee, John Lanza,John Buckley, et al.Experimental investigation of clustered parachutes inflation . AIAA-97-1478,1997 [6] Lee C K. Experimental investigation of full-scale and model parachute opening Lee C K. Aerodynamic Decelerator and Balloon Technology Conference. New York: American Institute of Aeronautics and Astronautics, 1984: 215-223 [7] 余莉,明晓,胡斌. 降落伞开伞过程的试验研究[J].南京航空航天大学学报,2006,38(2):176-180 Yu Li, Ming Xiao, Hu Bin. Experimental investigation in parachute opening process[J]. Journal of Nanjing University of Aeronautics & Astronautics,2006,38(2):176-180(in Chinese)
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