Nuclear electric propulsion (NEP) vehicles will be needed for future manned missions to Mars and beyond. Candidate vehicles must be identified through trade studies for further detailed design from a large array of possibilities. Genetic algorithms have proven their utility in conceptual design studies by effectively searching a large design space to pinpoint unique optimal designs. This research combines analysis codes for NEP subsystems with genetic algorithm-based optimization. Trade studies for a NEP reference mission to the asteroids were conducted to identify important trends, and to determine the effects of various technologies and subsystems on vehicle performance. It was found that the electric thruster type and thruster performance have a major impact on the achievable system performance, and that significant effort in thruster research and development is merited.


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    Titel :

    Trade Studies for a Manned High-Power Nuclear Electric Propulsion Vehicle


    Beteiligte:
    M. SanSource (Autor:in) / P. V. Hull (Autor:in) / R. W. Irwin (Autor:in) / M. L. Tinker (Autor:in)

    Erscheinungsdatum :

    2005


    Format / Umfang :

    20 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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