Charging of dielectrics deep within spacecraft structures by the high-energy portion of the electron environment is investigated. Order-of-magnitude estimates of charging rates and saturation fields are made for spacecraft dielectrics and compared with breakdown thresholds. Results indicate that radiation-induced and natural conductivities of several spacecraft dielectrics are sufficiently low to permit charge accumulation to the point of dielectric breakdown. It is concluded that the high-energy portion of the natural environment can produce discharges and reasonably large replacement currents within the spacecraft structure and cables.


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    Titel :

    Spacecraft charging effects by the high-energy natural environment


    Weitere Titelangaben:

    Elektrische Entladungseffekte durch kosmische Strahlung hoher Energie in Raumfahrzeugen


    Beteiligte:
    Wenaas, E.P. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1977


    Format / Umfang :

    4 Seiten, 4 Bilder, 2 Tabellen, 7 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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