The successful performance of the 25-kW Space Power Demonstrator (SPD) engine during an extensive testing period has provided a baseline of free-piston Stirling engine technology from which future space Stirling engines may evolve. Much of the success of the engine was due to the initial careful selection of engine materials, fabrication and joining processes, and inspection procedures. Resolution of the few SPD engine problem areas that did occur has resulted in the technological advancement of certain key free-piston Stirling engine components. Derivation of two half-SPD, single-piston engines from the axially opposed-piston SPD engine, designated as Space Power Research (SPR) engines, has made possible the continued improvement of these engine components. The two SPR engines serve as test-bed engines for testing of engine components. Some important fabrication and joining processes are reviewed. Also, some component deficiencies that were discovered during SPD engine testing are described and approaches that were taken to correct these deficiencies are discussed. Potential component design modifications, based upon the SPD and SPR engine testing, are also reported.


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    Titel :

    Component improvement of free-piston Stirling engine key technology for space power


    Weitere Titelangaben:

    Komponentenverbesserung fuer die Schluesseltechnologie von Freikolben-Stirlingmotoren in der Raumfahrt


    Beteiligte:
    Alger, D.L. (Autor:in)


    Erscheinungsdatum :

    1988


    Format / Umfang :

    6 Seiten, 12 Bilder, 2 Tabellen, 10 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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