Theory and observation of triple-root jump in spacecraft charging

Details Theory and observation of triple-root jump in spacecraft charging Theory and observation of triple-root jump in spacecraft charging

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9619269l&link_type=abstract

Journal of Geophysical Research, Volume 96, Issue A11, p. 19269-19281

Physics

9

Scientific paper

Sudden onsets of high-voltage differential charging on spacecraft in an ambient environment may affect operations and the survival of on-board electronics. Triple-root jumps may be very sudden. We discuss two aspects, one theoretical and one observational. By using current balance, the theoretical parametric domain in which triple-root jumps may occur for a surface material in a double Maxwellian electron environment has been calculated. The relation between the domain and the ``critical'' or ``threshold'' temperature for a material is revealed. We present an example of the prediction of the occurrence for a triple-root spacecraft potential jump in a time-varying space environment.

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