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Volume 36 Issue 4
Apr.  2010
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Journal of Beijing University of Aeronautics and Astronautics  > 2010  >  36(4): 388-390.
Hao Zhenhai, Huang Shengguo. Integrated heading system based on differential magnetic compasses[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(04): 377-380. (in Chinese)
Citation: Wang Fei, Eriqitai Li, Jiajun Wang, et al. Numerical simulation of two-dimensional fluidic throat skewing vector nozzle[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(4): 388-390. (in Chinese)
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Numerical simulation of two-dimensional fluidic throat skewing vector nozzle

  • School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 03 Jun 2009
  • Publish Date: 30 Apr 2010
    Abstract
  • The flow fields of the two-dimensional fluidic throat skewing vector nozzle were simulated numerically. The effects of the single side injection at the throat and the assisted injection at the divergent section on the flow and the performance of the nozzle were studied. These simulations show that the single side injection at the throat can generate an asymmetric flow, and result in thrust vector, but the vector angle is smaller; the assisted injection at the divergent section can improve the nozzle thrust performance remarkably; only with the larger injection flux, there will be a typical "throat skewing" phenomenon; however, the highest efficiency region of thrust vector control is not occurred after the "throat skewing" phenomenon, but in the process of the forward movement of the bow shock position and the expansion of the subsonic region upstream of the divergent section injection inlet.

     

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    • References(1)
  • [1] Yvette S W,Douglas L B.Advancements in exhaust system technology for the 21st century .AIAA 98-3100,1998 [2] Karen A D.Summary of fluidic thrust vectoring research conducted at NASA Langley research center .AIAA 2003-3800,2003 [3] Miller D M,Yagle P J,Hamstra J W.Fluidic throat skewing for thrust vectoring in fixed-geometry nozzles .AIAA 99-0365,1999 [4] Yagle P J,Miller D N,Ginn K B,et al.Demonstration of fluidic throat skewing for thrust vectoring in structurally fixed nozzles .2000-GT-0013,2000 [5] 罗静,王强,额日其太.两种流体控制矢量喷管内流场计算及分析[J].北京航空航天大学学报,2004,30(7): 597-601 Luo Jing,Wang Qiang,Eriqitai.Computational analysis of two fluidic thrust-vectoring concepts on nozzle flow field[J].Journal of Beijing University of Aeronautics and Astronautics,2004,30(7):597-601(in Chinese)
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