期刊
APPLIED PHYSICS LETTERS
卷 98, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3577608
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资金
- Grants-in-Aid for Scientific Research [22684031] Funding Source: KAKEN
Direct thrust measurements of a permanent magnet helicon double layer thruster have been made using a pendulum thrust balance and a high sensitivity laser displacement sensor. At the low pressures used (0.08 Pa) an ion beam is detected downstream of the thruster exit, and a maximum thrust force of about 3 mN is measured for argon with an rf input power of about 700 W. The measured thrust is proportional to the upstream plasma density and is in good agreement with the theoretical thrust based on the maximum upstream electron pressure. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3577608]
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