AbstractBased on the Monte Carlo ray-tracing method, the network coefficients of thermal network model describing the radiation heat transfer among satellite surfaces is solved by considering the surface material optical characters. It is superiority to the conventional Gebhart’s method in view of the grey body and the diffuse reflection assumptions. The zone leveling method is used to discrete the governing equations and the solar absorpivity is separated and considered to be an important correction parameter. Effects of the solar incidence round angle, the zenith angle and the ratio of absorpivity to emissivity (RAE) on temperature distribution are numerically simulated and discussed in detail. The higher or the lower the RAE may be lead to the alternative heating and cooling tend with a larger heating or cooling velocity of main body surfaces than the solar array surfaces. Furthermore, maximum temperature of main body is almost larger than solar arrays. Under the same RAE, solar incidence angle make a great effect on the uniform character of temperature distribution.


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    Titel :

    Investigations on temperature distribution of satellite surfaces affected by solar absorptivity


    Beteiligte:
    Liu, Y. (Autor:in) / Pan, X.X. (Autor:in) / Li, G.H. (Autor:in) / Liu, X. (Autor:in) / Jiang, L.X. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 46 , 5 ; 593-603


    Erscheinungsdatum :

    2010-04-15


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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