Excellent Papers of the 2nd Aerospace Frontiers Conference/the 27th Annual Meeting of the China Association for Science and Technology

Simulation and experiment of attitude control propulsion system’s dynamic characteristics

  • Fang ZHANG ,
  • Weibin XIANG ,
  • Kai XIAO ,
  • Siqi XIAO ,
  • Liang XIANG ,
  • Bing WANG
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  • 1.Hubei Key Laboratory of Advanced Aerospace Propulsion Technology,System Design Institute,Hubei Aerospace Technology Academy,Wuhan 430040,China
    2.School of Aerospace Engineering,Tsinghua University,Beijing 100084,China

Received date: 2025-04-12

  Revised date: 2025-04-28

  Accepted date: 2025-05-30

  Online published: 2025-06-16

Supported by

Ministerial Level Project

Abstract

This study develops a dynamic characteristic simulation model of the Attitude Control Propulsion System (ACPS) based on AMESim software, aiming to investigate the hydraulic pressure characteristics of the ACPS and the effects of water hammer pressure pulsations on engine performance parameters. The ground test sequence of the propulsion system is implemented in the simulation model, and the comparative analysis between simulation results and experimental test data demonstrates that this model exhibits satisfactory predictive accuracy. The research findings reveal that water hammer pressure waves generated during ignition/shutdown processes of bipropellant liquid rocket engine, particularly during high-thrust engine shutdown, can significantly disrupt the normal operation of other subsystems within short durations. Notably, the oxidizer pipelines exhibit significantly higher water hammer pressure peaks compared to the fuel pipelines. The potential hazards induced by water hammer effects can be effectively mitigated by implementing measures such as shortening the length of the propellant feed line and increasing the pipeline diameter.

Cite this article

Fang ZHANG , Weibin XIANG , Kai XIAO , Siqi XIAO , Liang XIANG , Bing WANG . Simulation and experiment of attitude control propulsion system’s dynamic characteristics[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2025 , 46(S1) : 732329 -732329 . DOI: 10.7527/S1000-6893.2025.32329

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