Volume 32 Issue 4
Apr.  2017
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Characterization and measurement of doubly charged ions in xenon ion thruster beam[J]. Journal of Aerospace Power, 2017, 32(4): 970-975. doi: 10.13224/j.cnki.jasp.2017.04.024
Citation: Characterization and measurement of doubly charged ions in xenon ion thruster beam[J]. Journal of Aerospace Power, 2017, 32(4): 970-975. doi: 10.13224/j.cnki.jasp.2017.04.024

Characterization and measurement of doubly charged ions in xenon ion thruster beam

doi: 10.13224/j.cnki.jasp.2017.04.024
  • Received Date: 2016-05-31
  • Publish Date: 2017-04-28
  • In order to evaluate the proportion of double ion ratio in ion engine beam rapidly, discharge chamber parameters were obtained through empirical theory, ratio of doubly/singly charged ions in beam was derived based on different generating processes of singly and doubly charged xenon ions. 20cm xenon ion thruster of Lanzhou Institute of Physics was tested and average fraction of doubly charged ions was acquired through E×B spectrometer. Xe++/Xe+ ratio under standard condition was measured to be 0.077, which was in good agreement with the analysis result of 0.071.

     

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