航天器密封舱水分含量测量与除水工艺方法研究*

doi:10.13385/j.cnki.vacuum.2024.06.08

真空 ›› 2024, Vol. 61 ›› Issue (6): 43-47.doi: 10.13385/j.cnki.vacuum.2024.06.08

航天器密封舱水分含量测量与除水工艺方法研究^*

武越¹, 薛翠平², 许忠旭¹, 魏茜¹, 曹正彬¹, 牛童¹

1.北京卫星环境工程研究所,北京 100094;
2.东北大学理学院,辽宁沈阳 110819

收稿日期:2024-01-22 出版日期:2024-11-25 发布日期:2024-11-29
作者简介:武越（1983-）,男,辽宁省沈阳市人,硕士,高级工程师。
基金资助:
* 推荐性国家标准《载人航天器密封舱压力环境试验方法》研究支持项目

Research on Water Vapor Measurement and Removal Methods for the Spacecraft Sealed Cabin

WU Yue¹, XUE Cui-ping², XU Zhong-xu¹, WEI Xi¹, CAO Zheng-bin¹, NIU Tong¹

1. Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China;
2. School of Sciences, Northeastern University, Shenyang 110819, China

Received:2024-01-22 Online:2024-11-25 Published:2024-11-29

摘要/Abstract

摘要： 航天器密封舱在进行真空热试验时处在真空容器内部,常规的水分含量测量和除水方法均无法满足密封舱除水要求。本文针对航天器密封舱在真空热试验时的除水难题,设计了一套适合密封舱内水分含量测量的装置,经过标定确保其满足真空环境下水蒸气含量的测量要求。设计的密封舱除水系统通过双向密封法兰与密封舱连接,可以在真空容器外完成对密封舱的除水。试验验证结果表明,该除水方法能够保证在真空热试验过程中密封舱内气体的露点温度低于0 ℃。

关键词: 航天器密封舱, 真空热试验, 水分测量, 除水工艺

Abstract: The sealed cabin of the spacecraft is located inside the vacuum chamber during the vacuum thermal test, and the conventional water vapor measurement methods and water removal methods cannot meet the requirements of sealed cabin. In this paper, a set of measuring device suitable for measuring the moisture content in the sealed cabin is designed to solve the problem of water removal in the vacuum thermal test of the spacecraft sealed cabin, which can meet the requirements for measuring the water vapor in vacuum environment through calibration. The as-designed sealed cabin water removal system is connected to the sealed cabin through a bidirectional sealing flange, which can complete the water removal of the sealed cabin outside the vacuum chamber. The test result shows that this water removal method can ensure that the dew point temperature of the gas in sealed cabin is below 0 ℃ during the vacuum thermal test.

Key words: spacecraft sealed cabin, vacuum thermal test, water vapor measurement, water removal technology

中图分类号: V416.6

武越, 薛翠平, 许忠旭, 魏茜, 曹正彬, 牛童. 航天器密封舱水分含量测量与除水工艺方法研究^*[J]. 真空, 2024, 61(6): 43-47.

WU Yue, XUE Cui-ping, XU Zhong-xu, WEI Xi, CAO Zheng-bin, NIU Tong. Research on Water Vapor Measurement and Removal Methods for the Spacecraft Sealed Cabin[J]. VACUUM, 2024, 61(6): 43-47.

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航天器密封舱水分含量测量与除水工艺方法研究^*

Research on Water Vapor Measurement and Removal Methods for the Spacecraft Sealed Cabin

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