航天推进技术研究院主办
[1]窦唯,叶志明,闫宇龙.涡轮泵叶轮/转子配合间隙对稳定性的影响[J].火箭推进,2016,42(04):26-34.
DOU Wei,YE Zhiming,YAN Yulong.Effect of tolerance clearance between turbine rotor and impeller in liquid-propellant rocket engine on stability[J].Journal of Rocket Propulsion,2016,42(04):26-34.
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DOU Wei,YE Zhiming,YAN Yulong.Effect of tolerance clearance between turbine rotor and impeller in liquid-propellant rocket engine on stability[J].Journal of Rocket Propulsion,2016,42(04):26-34.
涡轮泵叶轮/转子配合间隙对稳定性的影响
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
42
期数:
2016年04期
页码:
26-34
栏目:
研究与设计
出版日期:
2016-08-31
- Title:
- Effect of tolerance clearance between turbine rotor and impeller in liquid-propellant rocket engine on stability
- Keywords:
- rocket engine; turbine; impeller; separate speed
- 分类号:
- V434.2-34
- 文献标志码:
- A
- 摘要:
- 涡轮泵是液体火箭发动机的动力核心部件.涡轮泵工作时叶轮等组件随转子系统高速运转,其松脱转速是影响涡轮泵转子系统动力稳定性的主要因素.而确保涡轮或叶轮内径与转轴外径之间的工艺配合尺寸设计的合理性,就能够将松脱转速控制在安全范围内.以某涡轮泵为研究对象,分析了高速运转时涡轮、叶轮过盈量大小对转子运行状态的影响规律.同时,给出了最小松脱转速下设计过盈量的大小,并在理论分析的基础上进行了试验验证.
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中国航天科技集团公司重大工艺课题研究
更新日期/Last Update:
1900-01-01