Ignition of beam plasma discharge in the electron beam experiment in space

Details Ignition of beam plasma discharge in the electron beam experiment in space Ignition of beam plasma discharge in the electron beam experiment in space

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985georl..12..647s&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 12, Oct. 1985, p. 647-650.

Physics

11

Beam Interactions, Electron Beams, Ignition Limits, Plasma Jets, Spaceborne Experiments, Nitrogen Plasma, Space Plasmas, Space Shuttle Payloads, Spacelab Payloads, Video Data

Scientific paper

An ignition of beam plasma discharge (BPD) in space was observed in a neutral gas-electron beam interaction experiment by Space Shuttle/Spacelab-1 in 1983. An electron beam of 8 kV 100 mA was injected into a high dense nitrogen gas cloud of 10 to the 23rd molecules which was released during 100 msec from the Orbiter. The appearance of the beam and its surroundings observed by a low-light-level TV camera showed a local ignition of the beam plasma discharge in the gas cloud. The enhanced plasma production, generation of auroral emission, and associated wave emission were also detected by onboard diagnostic instruments.

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