Volume 33 Issue 03
Mar.  2007
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Zhang Yongsheng, Wang Yankui, Yu Xiaowei, et al. Design of secondary-divergent vectoring nozzle based on secondary fluidic injection[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(03): 261-264. (in Chinese)
Citation: Zhang Yongsheng, Wang Yankui, Yu Xiaowei, et al. Design of secondary-divergent vectoring nozzle based on secondary fluidic injection[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(03): 261-264. (in Chinese)

Design of secondary-divergent vectoring nozzle based on secondary fluidic injection

  • Received Date: 27 Apr 2006
  • Publish Date: 31 Mar 2007
  • Secondary-divergent vectoring thrust nozzle based on secondary fluidic injection was designed and the performance of vectoring thrust nozzle was studied by using computer simulation method. Several parameters, such as the angle of secondary-divergent section, the ratio of secondary fluidic injection pressure to main flow pressure, were taken into consideration in analysis of the nozzle performance. As a result, several conclusions were drawn from the above investigations. Firstly, the vectoring thrust is mainly caused by the secondary fluidic injection on the secondary-divergent section. The performance of nozzle with secondary-divergent section is better than that of nozzle without secondary-divergent section. Secondly, vectoring angle increases with the increasing of angle of secondary-divergent section and the maximum of vectoring angle reaches 39°. Finally, the vectoring angle increases with the increasing of the ratio of secondary fluidic injection pressure to main flow pressure.

     

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