A new property of spacecraft surface materials, the threshold temperature for high-voltage charging, is defined. A table of threshold temperatures, calculated for various spacecraft surface materials, is presented. This property explains and unifies several recently-identified phenomena affecting spacecraft charging, including: the existence of multiple floating potentials for certain spacecraft surfaces in certain external environments; sensitivity effects in the numerical prediction of spacecraft potentials; sudden jumps in both observed and simulated spacecraft potentials in slowly-varying environments; and observed threshold effects in high-voltage charging. In addition, knowledge of the threshold temperature for proposed or existing surface materials provides a simple, effective way to evaluate their charging behavior when exposed to various space environments. (Author)


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    Titel :

    Threshold Temperature Effect in High-Voltage Spacecraft Charging


    Beteiligte:
    J. G. Laframboise (Autor:in) / M. Kamitsuma (Autor:in)

    Erscheinungsdatum :

    1983


    Format / Umfang :

    16 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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