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- Title
Characterization and Improvement of a Laser-Assisted Pulsed Plasma Thruster.
- Authors
Hiroshi HOSOKAWA; Osamu YAMADA; Haruki KOBAYASHI; Hideyuki HORISAWA
- Abstract
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.
- Subjects
PULSED plasma thrusters; ION rockets; LASER ablation; TIME-of-flight measurements; FARADAY cup; ELECTROMAGNETISM; IONIZATION current
- Publication
Transactions of the Japan Society of Aeronautical & Space Sciences, Aerospace Technology Japan, 2014, Vol 12, Issue ists 29, p25
- ISSN
1884-0485
- Publication type
Article