Interplanetary charged particle models (1974)

Details Interplanetary charged particle models (1974) Interplanetary charged particle models (1974)

Mar 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975svdc.rept.....d&link_type=abstract

NASA Space Vehicle Design Criteria (Environment) National Aeronautics and Space Administration. Goddard Space Flight Center, Gre

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Astronomical Models, Charged Particles, Interplanetary Medium, Spacecraft Components, Cosmic Rays, Radiation Damage, Solar Cells, Solar Protons, Solar Wind

Scientific paper

The design of space vehicles for operation in interplanetary space is given, based on descriptions of solar wind, solar particle events, and galactic cosmic rays. A state-of-the-art review is presented and design criteria are developed from experiment findings aboard interplanetary and high-altitude earth-orbiting spacecraft. Solar cells were found to be particularly sensitive. Solar protons may also impact the reliability of electric propulsion systems and spacecraft surfaces, as well as causing interference, detector saturation, and spurious signals. Galactic cosmic-ray impact can lead to similar electronic failure and interference and may register in photographic films and other emulsions. It was concluded that solar wind electron measurements might result from differential charging when shadowed portions of the spacecraft acquired a negative charge from electron impact.

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