In order to predict ball bearing temperature in the Space Shuttle Main Engine (SSME) high-pressure oxidizer turbopump (HPOTP), knowledge of ball bearing heat transfer coefficients is important. To understand the heat transfer behavior of a ball bearing operating under a two-phase environment, a flow simulation model of a rotating sphere inside a vapor film has been developed to determine the effects of rotational speed and vapor film thickness on ball heat transfer. The calculated Nusselt number is compared with experimental data for a rotating ball in liquid nitrogen.


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    Titel :

    On the aerothermodynamic study of the SSME HPOTP ball bearing inside a vapor film


    Weitere Titelangaben:

    Aerodynamische Untersuchung des Kugellagers der Kraftstoffturbopumpe des Hauptantriebs der Raumfaehre bei Vorhandensein eines Dampffilms


    Beteiligte:
    Shieh, C.Y. (Autor:in) / Williams, M. (Autor:in)

    Erschienen in:

    AIAA-Papers ; Jul ; 1-5


    Erscheinungsdatum :

    1988


    Format / Umfang :

    5 Seiten, 10 Bilder, 2 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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