Structure of the bipolar plasma sheath generated by SPEAR I

Details Structure of the bipolar plasma sheath generated by SPEAR I Structure of the bipolar plasma sheath generated by SPEAR I

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.1450k&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 94, Feb. 1, 1989, p. 1450-1458.

Computer Science

Sound

32

Ionospheric Sounding, Plasma Sheaths, Sounding Rockets, Space Plasmas, Electric Potential, Ionization, Space Charge, Spacecraft Charging

Scientific paper

The Space Power Experiment Aboard Rockets I to measure the current of ionospheric electrons is discussed. The experiment consisted of two 10-cm radius spherical electrons on booms 3 meters from a rocket. Positive voltage, up to 46,000 V with respect to the rocket body, was applied to the spheres. Three dimensional calculations show that both ion-collecting and electron-collecting sheaths were formed. The calculated current is in agreement with the flight measurement of a steady state current less than 1/10 A. The calculated rocket potential is within the uncertainty of that inferred from ion spectrometer data.

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