Computer Science – Sound
Scientific paper
Jan 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jatp...37..119b&link_type=abstract
Journal of Atmospheric and Terrestrial Physics, vol. 37, Jan. 1975, p. 119-129. Research supported by the National Research Cou
Computer Science
Sound
2
Electrostatic Probes, Near Wakes, Rocket Flight, Sounding Rockets, Black Brant 5 Sounding Rocket, Debye Length, Electron Density Profiles, Magnetic Fields, Space Charge, Time Response, Volt-Ampere Characteristics
Scientific paper
Split Langmuir probes have been used to study the near wake of small Langmuir probes on sounding rockets. Experiments have been performed on two rocket flights using planar disk and cylindrical geometries, and the results are presented. Significant wake perturbations in plasma density and temperature were found due to the probe body itself, even though the probes were of the order of or smaller than the Debye length. The largest effects of the wake are seen in the electron collection characteristics of the probe. The wake of small probes show apparent magnetic field aligned structure, even though the probes were much smaller than the ion gyroradius. On one flight, a space charge potential large enough to substantially alter photoemission, -3.5 volts, was observed.
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