Current activities in seals for space propulsion turbomachinery that the NASA Lewis Research Center sponsors are surveyed. The overall objective is to provide the designer and the researcher with the concepts and the data to control seal dynamics and leakage. Included in the program are low-leakage seals, such as the brush seal, the 'ceramic rope' seal, low-leakage seals for liquid oxygen turbopumps, face seals for two-phase flow, and swirl brakes for stability. Two major efforts are summarized: a study of seal dynamics in rotating machinery and an effort in seals code development.


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    Titel :

    Development of advanced seals for space propulsion turbomachinery


    Weitere Titelangaben:

    Entwicklung von verbesserten Dichtungen für Raumfahrttriebwerke


    Beteiligte:
    Hendricks, R.C. (Autor:in) / Liang, A.D. (Autor:in) / Childs, D.W. (Autor:in) / Proctor, M.P. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1992


    Format / Umfang :

    13 Seiten, 11 Bilder, 52 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Development of Advanced Seals for Space Propulsion Turbomachinery

    Liang, Anita D. / Childs, Dara W. / Proctor, Margaret P. et al. | SAE Technical Papers | 1992


    Damping Seals for Turbomachinery

    Von Pragenau, G. L. | NTRS | 1984



    Aeroelastic Analysis of Turbomachinery for Space Propulsion

    Keith, Theo G., Jr. / Murthy, Durbha V. | NTRS | 1996


    Commercial Applications of Space Propulsion Turbomachinery Component Technology

    Scharrer, Joseph K. / Pelletti, Joseph M. | SAE Technical Papers | 1994