The Fluxes-1 and -2 active experiments: Investigation of plasma jet dynamics and interactions with the ionosphere

Details The Fluxes-1 and -2 active experiments: Investigation of plasma jet dynamics and interactions with the ionosphere The Fluxes-1 and -2 active experiments: Investigation of plasma jet dynamics and interactions with the ionosphere

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998sct..conf...17z&link_type=abstract

Proceedings of the 6th Spacecraft Charging Conference. November 2-6, 1998. AFRL Science Center, Hanscom AFB, MA, USA., p.17-20

Physics

Scientific paper

This paper presents an overview of two Russian-American active geophysical rocket experiments, Fluxus-1 and Fluxus-2, designed to study the interaction of plasma jets with the ionosphere and magnetosphere. These active experiments used specially designed explosive type shaped-charge generator (ETG) that produces a 3-MJ aluminum plasma jet without the aid of solar illumination. The jet was injected nearly parallel to the magnetic field at an altitude of 140 km towards an instrumented payload located 130 m away. The plasma jet density exceeded 1 × 109 ions/cm-3 and produced over a 50% reduction in magnetic field strength due to a diamagnetic depression. The experiment was also observed using ground-based visible sensors, and space-based ultraviolet, visible, and infrared sensors on the Midcourse Space Experiment (MSX). It was found that the plasma jet was quickly stopped due to collisions with the atmosphere and formed a slowing moving (100 m/s) plasma cloud that was observed for up to 3 minutes using visible sensors.'

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