AbstractThe shield has three concentric grids having a net charge of zero. The voltage across the outer pair is chosen to repel electrons; and that across the inner pair is chosen to repel nucleons. The negative grid is coated to absorb ultraviolet light to prevent photoemission, and secondary emission is minimized by a grid/thin foil combination. Voltage is maximized and mass minimized by setting the ratio of the negative to the inner positive electrode radii to ≥ 2. The outer grid pair forms a space truss with rigid geodesic grid, from which catenary tensile members are suspended. For docking there is passage directly through the sparse gridwork of larger structures, or through a charge shifting vestibule on smaller. While efficiency increases indefinitely with size, favorable sizes for given voltages are indicated. Large modular habitats and small powered transport vehicles are protected with efficiencies several orders of magnitude over mass shielding against charged particle cosmic radiation.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Optimizing electrostatic radiation shielding for manned space vehicles


    Contributors:

    Published in:

    Acta Astronautica ; 12 , 12 ; 995-1003


    Publication date :

    1985-05-24


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    RADIATION SHIELDING OF MANNED MARS VEHICLES

    FRENCH, FRANCIS | AIAA | 1966



    Shielding problems in manned space vehicles

    Hill, C. W. / Schofield, W. M. / Smith, E. C. | NTRS | 1962


    Radiation shielding for manned space flight

    Wallner, Lewis E. / Kaufman, Harold R. | TIBKAT | 1961