The natural and manmade radiation environments to be encountered during lunar and Mars missions are qualitatively summarized. The computational methods available to characterize the radiation environment produced by an operating nuclear propulsion system are discussed. Mission profiles and vehicle configurations are presented for a typical all-propulsive, fully reusable lunar mission and for a typical all-propulsive Mars mission. Estimates of crew location biological doses are developed for all propulsive maneuvers. Post-shutdown dose rates near the nuclear engine are estimated at selected mission times. 15 refs., 4 figs.


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    Title :

    Radiation dose estimates for typical piloted NTR lunar and Mars mission engine operations


    Contributors:

    Publication date :

    1991


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






    Radiation issues for piloted Mars mission

    Badhwar, Gautam D. / Nachtwey, D. S. / Yang, Tracy C. | NTRS | 1992


    Radiation issues for piloted Mars mission

    Badhwar, Gautam D. / Stuart Nachtwey, D. / Chui-hsu Yang, Tracy | Elsevier | 1991