推进技术 ›› 1999, Vol. 20 ›› Issue (4): 32-35.

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涡轮泵联动试验系统参数稳定性分析

刘红军,张恩昭,董锡鉴   

  1. 陕西动力机械设计研究所;陕西动力机械设计研究所;陕西动力机械设计研究所
  • 发布日期:2021-08-15

STABILITY ANALYSIS OF A TURBO PUMP EXPERIMENT SYSTEM

  1. Shaanxi Engine Design Inst.,Xi′an,710100;Shaanxi Engine Design Inst.,Xi′an,710100;Shaanxi Engine Design Inst.,Xi′an,710100
  • Published:2021-08-15

摘要: 针对某带燃气发生器、调节器和工艺喷管的涡轮泵联动试验系统,采用线性化方法研究了该系统平衡参数在小扰动下的稳定性,得到了主要设计参数对系统稳定性的影响规律以及该系统关于主要设计参数的稳定性边界。

关键词: 液体推进剂火箭发动机;涡轮泵;动态特性;稳定性

Abstract: Focused on the stability analysis for a turbo pump experiment system with a gas generator,a throttle and a technical nozzle.By calculating the main pole point orbit of the linear part of the state equations of the system,effect of the design parameters on stability of the system was analyzed,and the stability margin was obtained.

Key words: Liquid propellant rocket engine;Turbine pump;Dynamic characteristic;Stability