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Journal of Projectiles, Rockets, Missiles and Guidance >

2019 , Vol. 39 >Issue 5: 73 - 76

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2019.05.017

The Influence of Control Pressure Uncertainty on Supersonic Fluidic Element

  • SUN Na 1 ,
  • ZHANG Ying 1 ,
  • NIU Lu 1 ,
  • ZHANG Bin 2
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  • 1 Shanghai Space Propulsion Technology Research Institute, Shanghai 201109, China
  • 2 Shanghai Jiaotong University, Shanghai 200240, China

Received date: 2018-08-13

  Online published: 2025-05-12

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Abstract

In the real environment, there is uncertainty on control pressure of the supersonic fluidic element. And there is uncertainty on performance of the supersonic fluidic element, because of uncertainty on control pressure. In order to research this problem, the PCM method is used. The rule of uncertainty on the performance is obtained through the numerical calculation and analyze. The results show that the switching time and the pitot loss will be affected, if there is uncertainty on control pressure. Furthermore, there is more serious influence on the switching time of the supersonic fluidic element.

Key words： jet control; uncertainty quantification; PCM; numerical calculation

Cite this article

SUN Na , ZHANG Ying , NIU Lu , ZHANG Bin . The Influence of Control Pressure Uncertainty on Supersonic Fluidic Element[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2019 , 39(5) : 73 -76 . DOI: 10.15892/j.cnki.djzdxb.2019.05.017

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