航天推进技术研究院主办
DOU Wei,CHU Bao-xin.Effect of bearing supporting stiffness on dynamic stability and critical speed of turbopump rotor system[J].Journal of Rocket Propulsion,2014,40(01):30-38.
支承总刚度对涡轮泵转子临界转速及稳定性的影响
- Title:
- Effect of bearing supporting stiffness on dynamic stability and critical speed of turbopump rotor system
- 关键词:
- 液体火箭发动机涡轮泵; 转子系统; 支承刚度; 临界转速; 动态稳定性
- 分类号:
- V434-34
- 文献标志码:
- A
- 摘要:
- 针对低温液体火箭发动机涡轮泵转子非线性系统开展了支承总刚度对临界转速及系统稳定性的影响研究.建立了涡轮泵转子非线性系统的动力学模型,在有安装偏心条件下分别研究了泵端和涡轮端支承总刚度变化对转子系统临界转速和稳定性的影响,给出了失稳转速随支承总刚度的变化规律,为液体火箭发动机涡轮泵转子系统结构设计、诊断与维护提供理论依据.
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