The In-Situ production of propellants for Mars missions has been considered to utilize the Carbon dioxide (CO2) in Mars atmosphere to produce Oxygen using a high temperature solid oxide electrolyzer. The oxygen then needs to be cooled, liquefied, and stored to be available for propulsion and other end users. The storage period could be up to two years either in the actual Mars ascent propulsion tanks or in a separate tank. Recent investigations have demonstrated the feasibility of both achieving zero-boil-off and controlling the pressure of oxygen within a tank using high efficiency cryocoolers. A representative configuration of tube on tank liquefaction using cryocooler is shown in Fig. 1.


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    Title :

    Modeling of Gaseous Oxygen Liquefaction Inside Mars Ascent Vehicle Propellant Tank


    Contributors:
    X. Wang (author) / D. Plachta (author)

    Publication date :

    2016


    Size :

    21 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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