There is interest from government and commercial aerospace communities in advancing propellant transfer technology for in-orbit refueling of satellites. This paper introduces two challenges to a Propellant Transfer System (PTS) under development for demonstration of non-cooperative satellite refueling. The PTS is being developed to transfer storable propellant (heritage hypergolic fuels and oxidizers as well as xenon) safely and reliably from one servicer satellite to a non-cooperative typical existing client satellite. NASA is in the project evaluation planning stages for conducting a first time on-orbit demonstration to an existing government asset. The system manages pressure, flow rate totalization, temperature and other parameters to control the condition of the propellant being transferred to the client. It keeps the propellant isolated while performing leak checks of itself and the client interface before transferring propellant. A major challenge is to design a safe, reliable system with some new technologies while maintaining a reasonable cost.


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    Title :

    Discussion of Two Challenges of Non-Cooperative Satellite Refueling


    Contributors:
    Coll G. T. (author) / Aranyos T. J. (author) / Nufer B. M. (author) / Tomasic D. (author) / Kandula M. (author)

    Publication date :

    2015


    Size :

    43 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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