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随机振动条件火箭贮箱增压系统工作过程仿真

王翀 梁国柱

王翀, 梁国柱. 随机振动条件火箭贮箱增压系统工作过程仿真[J]. 北京航空航天大学学报, 2013, 39(10): 1314-1318.
引用本文: 王翀, 梁国柱. 随机振动条件火箭贮箱增压系统工作过程仿真[J]. 北京航空航天大学学报, 2013, 39(10): 1314-1318.
Wang Chong, Liang Guozhu. Simulation of the working process of launch vehicle pressurization system in random vibration condition[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1314-1318. (in Chinese)
Citation: Wang Chong, Liang Guozhu. Simulation of the working process of launch vehicle pressurization system in random vibration condition[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(10): 1314-1318. (in Chinese)

随机振动条件火箭贮箱增压系统工作过程仿真

详细信息
    作者简介:

    王翀(1984-),男, 北京人,博士生,wangch1984@sa.buaa.edu.cn.

  • 中图分类号: V434.23

Simulation of the working process of launch vehicle pressurization system in random vibration condition

  • 摘要: 为研究随机振动对贮箱增压系统动态特性和稳定性的影响,引入管路元件壳体坐标实现外激振动的加载,以谐波叠加法模拟飞行环境的随机振动过程,对管路和管路元件分别建立拉格朗日坐标下的一维流动方程和常微分方程组以模拟增压系统动态工作过程,对某贮箱增压系统有/无外界激励振动条件下的工作过程进行了全程计算.计算结果表明:振动环境下减压器、稳压器等运动元件的瞬时流量变化在增压系统中产生压力波动,某些情况下,会导致减压器等出现具有一个主要频率的振荡过程,影响减压器工作稳定性;振动过程中贮箱气枕压力基本不受影响.无振动条件下的计算结果与试验数据基本吻合.提出的模型和方法在贮箱增压系统工作过程仿真中显示了较好的有效性.

     

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出版历程
  • 收稿日期:  2012-12-11
  • 网络出版日期:  2013-10-30

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