Secondary electrons control a spacecraft's response to a plasma environment. To accurately simulate spacecraft charging, the NASA Charging Analyzer Program (NASCAP) has mathematical models of the generation, emission and transport of secondary electrons. The importance of each of the processes and the physical basis for each of the NASCAP models are discussed. Calculations are presented which show that the NASCAP formulations are in good agreement with both laboratory and space experiments.


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    Title :

    Secondary electron generation, emission and transport: Effects on spacecraft charging and NASCAP models


    Contributors:


    Publication date :

    1987-05-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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