推进技术 ›› 1998, Vol. 19 ›› Issue (1): 8-11.

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大型运载火箭动力系统非线性稳态特性的敏感性分析

刘红军,张恩昭,董锡鉴,张育林   

  1. 国防科技大学航天技术系;国防科技大学航天技术系;国防科技大学航天技术系;国防科技大学航天技术系
  • 发布日期:2021-08-15

SENSITIVITY ANALYSIS FOR THE NONLINEAR STATIC CHARACTERISTICS OF LARGE LAUNCH VEHICLE PROPULSION SYSTEM

  1. Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073
  • Published:2021-08-15

摘要: 讨论了大型运载火箭动力系统非线性稳态参数(系统平衡点参数)对于内外扰动因素的敏感性。考虑的内外扰动因素包括:系统结构参数与组件性能参数变化、推进剂性能参数变化、推进剂供应系统入口压力变化和环境温度变化,并得出了有指导意义的结果。

关键词: 运载火箭;动力系统;系统稳定性;稳态参数;因子分析

Abstract: The sensitivities of the nonlinear static characteristics of large launch vehicle propul sion system to the various interferential effects,such as the variation of environment temperature,parts performance and structure parameters are calculated and discussed.

Key words: Launch vehicle;Propulsion system;System stability;Steady state parameter;Factor analysis