An analytical treatment of the effect of thermal molecular velocity on spacecraft atomic oxygen (AO) flux is presented. The analysis leads to a closed form equation that incorporates the effect of atmospheric temperature, number density, spacecraft velocity, and incidence angle on AO flux. The effects of atmospheric rotation, solar activity, and geomagnetic index on AO flux are also included on the computer model. Data developed with the model are presented for the Long Duration Exposure Facility (LDEF). The results incorporate variations in the defining environmental and orbital parameters of the spacecraft over its six year orbital flight. Cumulative ultraviolet solar and albedo exposures were calculated .


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    Titel :

    Atomic Oxygen and Ultraviolet Radiation Mission Total Exposures for LDEF Experiments (Abstract Only)


    Beteiligte:
    R. J. Bourassa (Autor:in) / J. R. Gillis (Autor:in) / K. W. Rousslang (Autor:in)

    Erscheinungsdatum :

    1991


    Format / Umfang :

    1 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Atomic oxygen and ultraviolet radiation mission total exposures for LDEF experiments

    Bourassa, R. J. / Gillis, J. R. / Rousslang, Ken W. | NTRS | 1991


    Long Duration Exposure Facility (LDEF). Mission 1 Experiments

    Lenwood G. Clark / William H. Kinard / David J. Carter, Jr. et al. | NTRS | 1984


    Long Duration Exposure Facility (LDEF). Mission 1 Experiments

    L. G. Clark / W. H. Kinard / D. L. Carter et al. | NTIS | 1984