This report presents the results of an investigation of thermo‐optical characteristics, i.e. the total solar absorptance, α s and solar emittance, ε of thermal control coatings (TCC) exposed to the space environment at a geostationary orbit (GEO). Experiments results from samples that were flown on space vehicles (SV) “Yamal‐100” and “Yamal‐200” for 8 and 4 flight years, respectively, are presented here. The results from experiments flown for 6 and 2 flight years were presented in an earlier article [1].

    The α s and ε characteristics were measured by a calorimetric method through monitoring the temperatures of the coating samples that were used as microcalorimeters (MC) and a mathematical treatment of the temperature data. The temperature sensors were attached to the back side of the flown samples.


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    Title :

    Investigation of Thermo‐optical Characteristics of Thermo‐regulating Covers on Geostationary Orbit


    Contributors:

    Conference:

    PROTECTION OF MATERIALS AND STRUCTURES FROM SPACE ENVIRONMENT: Proceedings of the 9th International Conference: Protection of Materials and Structures From Space Environment ; 2008 ; Toronto (Canada)


    Published in:

    AIP Conference Proceedings ; 1087 , 1 ; 485-494


    Publication date :

    2009-01-05


    Size :

    10 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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