Concentration distributions on a cylindrical receiver in a paraboloidal dish concentrator are computed for space power applications (no atmosphere). A geometric optics method is applied which integrates over the solar disk and the concentrator projected surface, and maps analytically, in implicit closed form, through the concentrator and onto the receiver. Finite sunshape, concentrator surface errors, and pointing system zero-mean and constant offset errors are considered. Results define the section of the receiver surface which receives the majority of the concentrated flux, where the receiver's aperture might be located. Results are given in terms of concentrator geometry, concentrator total system error tolerance, receiver geometry, and pointing offset error. In cases with pointing offset error (nonzero mean pointing error), circumferentially varying concentration distributions are shown.


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    Titel :

    Concentration distributions in cylindrical receiver/paraboloidal dish concentrator systems


    Weitere Titelangaben:

    Konzentrationsverteilungen bei zylindrischen Empfänger/paraboloiden Parabolkonzentratorsystemen


    Beteiligte:
    Jones, P.D. (Autor:in) / Wang, Lili (Autor:in)

    Erschienen in:

    Solar Energy ; 54 , 2 ; 115-123


    Erscheinungsdatum :

    1995


    Format / Umfang :

    9 Seiten, 13 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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