TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN
Online ISSN : 1884-0485
ISSN-L : 1884-0485
b) Electric and Advanced Propulsion
Characterization and Improvement of a Laser-Assisted Pulsed Plasma Thruster
Hiroshi HOSOKAWAOsamu YAMADAHaruki KOBAYASHIHideyuki HORISAWA
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ジャーナル フリー

2014 年 12 巻 ists29 号 p. Tb_25-Tb_29

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抄録
To investigate mechanisms of high-specific impulse characteristics, or high speed plasma generation, of a laser-assisted pulsed plasma thruster, speeds of ions of plasma plumes exhausted from the thruster were measured with the time-of-flight (TOF) measurement. In the measurement, temporal variations of ion currents exhausted from the thruster were measured with a Faraday cup. From the results of single Faraday cup measurement, placed at 400 mm away from the thruster, the maximum speed of ions of 169 km/sec at charge voltage of 2000 V (or charge energy of 14 J) was obtained. On the other hand, with double Faraday cup measurement, installed at 400 mm and 600 mm, the maximum ion speed was 220 km/sec at charge voltage of 2000 V.
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© 2014 The Japan Society for Aeronautical and Space Sciences
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