Astronauts on a mission to Mars will require several vehicles working together to get to Mars orbit, descend to the surface of Mars, support them while they’re there, and return them to Earth. The Mars Ascent Vehicle (MAV) transports the crew off the surface of Mars to a waiting Earth return vehicle in Mars orbit and is a particularly influential part of the mission architecture because it sets performance requirements for the lander and in-space transportation vehicles. With this in mind, efforts have been made to minimize the MAV mass, and its impact on the other vehicles. A minimal mass MAV design using methane and in situ generated oxygen propellants was presented in 2015. Since that time, refinements have been made in most subsystems to incorporate findings from ongoing research into key technologies, improved understanding of environments and further analysis of design options. This paper presents an overview of the current MAV reference design used in NASA’s human Mars mission studies, and includes a description of the operations, configuration, subsystem design, and a vehicle mass summary.


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    Title :

    Update to Mars Ascent Vehicle Design for Human Exploration


    Contributors:
    T. P. Polsgrove (author) / T. K. Percy (author) / M. Rucker (author) / H. D. Thomas (author)

    Publication date :

    2019


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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