Evaluations of O2/H2 engine candidates in the 10K to 30K lb thrust class for Manned Orbit Transfer Vehicles (MOTV) and engine candidates using O2/H2, O2/RP-1, and O2/CH4 in the 100 to 3,000 lb thrust range for Cargo Orbit Transfer Vehicles (COTV) are discussed. Both space vehicles are part of the larger SPS concept. It is shown that the Advanced Expander Cycle O2/H2 engine for MOTV merits further study and investigations. COTV engine study has so far indicated that conventionally cooled O2/H2 and O2/CH4 engine candidates should be evaluated further, while advanced cooling schemes are required for O2/RP-1 concepts. With regard to MOTV, it is concluded that while no existing system meets the requirements of the Orbit Transfer Vehicles, the need for twin expander cycle engines is established because a single engine cannot provide a tolerable man-safety profile. With regard to COTV, it is stressed that advanced cooling concepts must be considered if other propellant combinations are to become competitive with O2/H2. Multistage centrifugal pumps are seen as the most promising concept.


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    Titel :

    High performance cryogenic engines for orbit transfer vehicles


    Beteiligte:
    Bassham, L. B. (Autor:in)

    Kongress:

    International Astronautical Congress


    Erscheinungsdatum :

    01.09.1980


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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