Changes of properties of the materials of spacecraft solar arrays under the action of atomic oxygen |
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Authors: | V A Shuvalov G S Kochubei A I Priimak N I Pis’mennyi N A Tokmak |
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Institution: | (1) Institute of Engineering Mekhanics, National Ukrainian Academy of Sciences, Dnepropetrovsk, Russia |
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Abstract: | A procedure is developed for physical and chemical modeling and investigation of the weight, geometrical, and thermo-optical characteristics of polymer paneling materials of solar arrays and of the electric power of solar cells under the prolonged action of supersonic fluxes of atomic oxygen in orbit. The behavior of changes in the material characteristics as a function of the integral fluence of atomic oxygen is found. It is established that the electric power of solar cells is virtually invariable within the errors of measurements under irradiation by atomic oxygen flux with a fluence of no higher than 5 · 1021 cm?2. |
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Keywords: | 82 45 Wx |
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