| 低温半静密封技术 |
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| 引用本文： | 王立兴,白焱,章洁平,唐强,王自力.低温半静密封技术[J].低温工程,2003(1):29-34,55. |
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| 作者姓名： | 王立兴 白焱 章洁平 唐强 王自力 |
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| 作者单位： | 1. 中国航天科技集团第一研究院十五所,北京,100076
2. 国家机械工业局环境与资源装备发展中心,北京,100623 |
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| 摘 要： | 提出了低温半静密封理念，对低温半静密封的特点、设计机理、密封材料选择进行了论述。论证表明，加力紧固方式及伺服自补偿方式是低温半静密封行之有效的方法。还介绍并分析了业已实用的球面对锥面密封结构、插拔密封结构、端面密封结构等数种低温半静密封结构。
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| 关 键 词： | 低温半静密封技术 加力紧固方式 伺服自补偿方式 宇航事业 硬金属 软金属 低温技术 火箭推进剂 |
CRYOGENIC HALF STATIC SEALING TECHNIQUE |
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| Wang Lixing,Bai Yan,Zhang Jieping,Tang Qiang,Wang Zili.CRYOGENIC HALF STATIC SEALING TECHNIQUE[J].Cryogenics,2003(1):29-34,55. |
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| Authors: | Wang Lixing Bai Yan Zhang Jieping Tang Qiang Wang Zili |
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| Affiliation: | Wang Lixing 1 Bai Yan 2 Zhang Jieping 1 Tang Qiang 1 Wang Zili 1 |
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| Abstract: | The concept of cryogenic half static seal is presented and the characteristic?design mechanism and material selection of cryogenic half static seal are described.It is indicated that crewing by adding force and servo selfcompensation are the effective means for cryogenic half static seal.Several cryogenic half static seal structures,such as ball and cone dual seal,slip coupling self forming lip seal and surface seal,are introduced and analyzed. |
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| Keywords: | cryogenic seal design |
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