The Technique of Multi-System Leak Detection for Spacecraft with Quadrupole Mass Spectrometer

DOI

10.2991/itms-15.2015.318How to use a DOI?

Keywords

Mass spectrometer; Leak detection; Spacecraft; Quadrupole mass spectrometer

Abstract

As the development of spacecraft, the multi-system leak detection is needed. The multi-system leak detector on spacecraft by QMS (quadrupole mass spectrometer) has been developed and it has been used in the new spacecraft successfully. The problem of repeat and reliability of QMS in long time is avoided. The QMS calibration is solved by injecting the quantitative calibration gases into the cumulative vessel. In the atmosphere, the minimal He concentration can be test is 13×10-9, CF4 concentration is 10×10-9, Ne concentration is 3×10-6, SF6 concentration is 0.3×10-9, Kr concentration is 10×10-9. For the collection chamber with 100 m3 volume, in 24 hours, the minimal He leak rate can be test is 1.5×10-6 Pa•m3/s, CF4 leak rate is 1.1×10-6 Pa•m3/s, Ne leak rate is 3.5×10-5 Pa•m3/s, SF6 leak rate is 3×10-8 Pa•m3/s, Kr leak rate is 1.1×10-6 Pa•m3/s.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - R.X. Yan
PY  - 2015/11
DA  - 2015/11
TI  - The Technique of Multi-System Leak Detection for Spacecraft with Quadrupole Mass Spectrometer
BT  - Proceedings of the 2015 International Conference on Industrial Technology and Management Science
PB  - Atlantis Press
SP  - 1300
EP  - 1303
SN  - 2352-538X
UR  - https://doi.org/10.2991/itms-15.2015.318
DO  - 10.2991/itms-15.2015.318
ID  - Yan2015/11
ER  -