推进技术 ›› 2002, Vol. 23 ›› Issue (2): 126-128.

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固体发动机压强-时间曲线中燃烧时间的确定

刘珍   

  1. 内蒙古动力机械研究所 内蒙古呼和浩特010010
  • 发布日期:2021-08-15

Combustion time determination in pressure-time curve of solid rocket motor

  1. Inner Mongolia Power Machinery Research Inst.,Huhhot 010010,China
  • Published:2021-08-15

摘要: 以固体推进剂燃速公式为基础 ,采用计算力学中的数值积分及插值法 ,并利用计算机技术 ,研究了用燃烧室药柱的实际肉厚 ,确定固体火箭发动机试验曲线中燃烧时间的新方法。在点火发动机中应用的结果表明 ,此方法解决了试验曲线数据处理结果散布范围较大的问题 ,提高了燃速预估的准确性。

关键词: 固体推进剂火箭发动机;发动机燃烧时间;实验数据;分析方法

Abstract: Based on the solid propellant burning rate formula, a new method for the combustion time determination during the data treatment in solid rocket motor firing test was studied with a method of numerical integration and interpolation. The method was adopted in the development of ignition device, the result shows that it is scientific, correct and superiority.

Key words: Solid propellant rocket engine;Engine combustion time;Experimental data;Analysis method