Observations of vehicle charging in dusty plasma

Details Observations of vehicle charging in dusty plasma Observations of vehicle charging in dusty plasma

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsa12b1107b&link_type=abstract

American Geophysical Union, Fall Meeting 2003, abstract #SA12B-1107

Physics

2439 Ionospheric Irregularities, 2443 Midlatitude Ionosphere, 2483 Wave/Particle Interactions, 2494 Instruments And Techniques

Scientific paper

The NASA Sudden Atom Layer (SAL) rocket was launched in February of 1998 from Puerto Rico into an approximately 5 km thick sodium layer that peaked at 94 km altitude. This layer was observed from ground based lidar as well as the Arecibo Radar. The instrument payload consisted of a charged dust detector, an electric field probe, a DC Langmuir probe, and a RF impedance probe. The instruments experienced an anomalous charging event as the rocket passed through this sodium layer. We present here an analysis of the DC Langmuir probe data and the RF impedance probe data to compute the amount of vehicle charging attributed to charged dust. Possible scenarios that could lead to the observed charging effects on the instruments are investigated using a novel SPICE model. The model development and its features are also presented in this paper. Finally, our findings are also compared with those of the dust detector.

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