The dose and dose-equivalent estimates that astronauts might be expected to receive in space were assessed for the development of new radiation protection guidelines, considering several space mission scenarios. These scenarios included a 90-day LEO mission at 450 km altitude with orbital inclinations appropriate for NASA's Space Station (28.5, 57, and 90 deg), a 15-day sortie to GEO, and a 90-day lunar mission. All the missions contemplated would present space travelers with dose equivalents between 5 and 10 rem to the blood-forming organs, assuming no encounter with a large solar particle event; a large particle event could add considerable exposure for all scenarios except for the one at 28.5 orbital inclination. Adequate shielding must be included to guard against the radiation produced by such events.


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    Title :

    Radiation environments and absorbed dose estimations on manned space missions


    Contributors:
    Curtis, S. B. (author) / Atwell, W. (author) / Beever, R. (author) / Hardy, A. (author)

    Published in:

    Publication date :

    1986-01-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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