Future space missions will require increasingly large quantities of propellants to transfer materials and people from low earth orbit (LEO) to other orbits. This paper discusses cost-effective methods to deliver, store, and transfer propellants on orbit. Orbital depot sizing was found to be a function of the following factors: (1) vehicle launch-on-time capability and reliability; (2) the ratio of delivery capabiility of heavy lift launch vehicles (HLLV) to the propellant capacity of orbit transfer vehicles (OTV); (3) the number of OTV flights per year; and (4) the desired contingency. Rapid multilayer insulation (MLI) venting and outgassing and reliquefaction of cryogenic propellants during storage reduce total propellant losses to the one-percent range. Propellant acquisition using capillary channels is preferable to acceleration or rotation techniques. Study results indicate that orbital propellant depots are cost effective over a wide range of usage. (Kursetz)


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    Titel :

    Orbital propellant handling and storage systems


    Weitere Titelangaben:

    Treibstoff-Transport und Lagerhaltungssysteme fuer den Raumfahrzeugverkehr


    Beteiligte:
    Heald, D.A. (Autor:in) / Drowns, R.E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    7 Seiten, 7 Bilder, 2 Tabellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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