This work presents tables to assist in the evaluation of pinhole collection effects on spacecraft. These tables summarize results of a computer model which tracks particle trajectories through a simplified electric field in the plasma sheath. A technique is proposed to account for plasma sheath effects in the application of these results and scaling rules are proposed to apply the calculations to specific situations. This model is compared to ion current measurements obtained by another worker, and the agreement is very good.


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    Title :

    Plasma sheath effects on ion collection by a pinhole


    Contributors:

    Conference:

    AIAA Aerospace Sciences Meeting and Exhibit ; 1993 ; Reno, NV, United States


    Publication date :

    1993-04-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English