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Journal of Projectiles, Rockets, Missiles and Guidance >

2020 , Vol. 40 >Issue 4: 34 - 36

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2020.04.008

Study on the Internal Ballistic Thrust Characteristics of Gas Actuator under Heavy Load

  • WU Xianju ,
  • WU Hao ,
  • YU Weige ,
  • ZHAN Jingsong
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  • School of Aeronautical Engineering, Taizhou University, Zhejiang Taizhou 318000, China

Received date: 2019-09-12

  Online published: 2025-05-30

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Abstract

Based on the research background of a military project, the internal ballistic model is established to study the thrust characteristics of a series of loads loaded onto the gas actuator. In this paper, a set of gas actuators with high pressure bunker nozzle system is designed. Based on the mathematical model of congestion flow and unchoked flow in high pressure bunker, the program is built by using Simulink module in MATLAB, and the internal trajectory is simulated with an example, the numerical solution of the interior ballistic parameter and push rod thrust of the gas actuator cylinder is obtained. The results are qualitatively and quantitatively analyzed, and the general rule of thrust characteristics of the gas actuator cylinder is obtained. It provides a reference to the engineering application of gas actuators.

Key words： gas actuating cylinder; subcritical flow; choked flow; one-dimensional steady isentropic flow; Simulink; interior trajectory

Cite this article

WU Xianju , WU Hao , YU Weige , ZHAN Jingsong . Study on the Internal Ballistic Thrust Characteristics of Gas Actuator under Heavy Load[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2020 , 40(4) : 34 -36 . DOI: 10.15892/j.cnki.djzdxb.2020.04.008

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