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  • CHEMISTRY AND MATERIALS (GENERAL)  (1)
  • ELECTRONIC COMPONENTS AND CIRCUITS  (1)
  • SPACECRAFT PROPULSION AND POWER  (1)
  • 1
    Publication Date: 2011-08-24
    Description: The photovoltaic array space power (PASP)-Plus solar cell flight experiment is described, and the observed performances of different solar cell types during the first six months of their operation, are summarized. The solar cell types include single crystal and amorphous silicon, GaAs, several multijunction cell types, indium phosphide and GaAs/GaSb concentrator cells. The radiation degradation experienced by some of the solar cell types agrees with theoretical predictions. Other samples, including silicon, are degraded less than predicted. Effects, including the increase in temperature of all the experiments and the effect of sun glint on cell measurement, are discussed.
    Keywords: SPACECRAFT PROPULSION AND POWER
    Type: ESA, Proceedings of 4th European Space Power Conference (ESPC). Volume 2: Photovoltaic Generators, Energy Storage; p 578-592
    Format: text
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  • 2
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    In:  Other Sources
    Publication Date: 2019-06-28
    Description: Circuit reduces intermittent fan-flutter openings in airflow switch. Circuit ignores brief switch openings due to contact oscillations; however, if switch is open longer than selected interval, control circuit shuts down system and sounds alarm.
    Keywords: ELECTRONIC COMPONENTS AND CIRCUITS
    Type: LEW-12848 , NASA Tech Briefs (ISSN 0145-319X); 2; 2; P. 3
    Format: text
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  • 3
    Publication Date: 2013-08-31
    Description: The results of the Trapped Radiation Effects Panel for the Space Environmental Effects on Materials Workshop are presented. The needs of the space community for new data regarding effects of the space environment on materials, including electronics are listed. A series of questions asked of each of the panels at the workshop are addressed. Areas of research which should be pursued to satisfy the requirements for better knowledge of the environment and better understanding of the effects of the energetic charged particle environment on new materials and advanced electronics technology are suggested.
    Keywords: CHEMISTRY AND MATERIALS (GENERAL)
    Type: NASA(SDIO Space Environmental Effects on Materials Workshop, Part 2; p 597-605
    Format: application/pdf
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