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  • 1
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    An interim report on the NTS-2 solar cell experiment (1979)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Data obtained from the fourteen solar cell modules on the NTS-2 satellite are presented together with a record of panel temperature and sun inclination. The following flight data are discussed: (1) state of the art solar cell configurations which embody improvements in solar cell efficiency through new silicon surface and bulk technology, (2) improved coverslip materials and coverslip bonding techniques, (3) short and long term effects of ultraviolet rejection filters vs. no filters on the cells, (4) degradation on a developmental type of liquid epitaxy gallium-aluminum-arsenide solar cell, and (5) space radiation effects.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA. Lewis Res. Center Solar Cell High Efficiency and Radiation Damage, 1979; p 117-129
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Three year performance of the NTS-2 solar cell experiment (1980)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Twelve different solar cell modules from the NTS 2 experiment are functioning after more than three years in a severe trapped radiation orbit of 20,367 km (10,990 nm) circular, 63 deg inclination. The rate of maximum power degradation may be fit to a predicted rate which is based on twice the value of 1 MeV electron equivalent damage fluence calculated from the space electron model AEI 7. The photovoltaic parameters of the cells are compared to their original values to demonstrate rank order of performance.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA. Lewis Research Center Space Photovoltaic Res. and Technol.; p 219-228
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Computer Program for Assessing the Economic Feasibility of Solar Energy for Single Family Residences and Light Commercial Applications (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Computer program, SHCOST, was used to perform economic analyses of operational test sites. The program allows consideration of the economic parameters which are important to the solar system user. A life cycle cost and cash flow comparison is made between a solar heating system and a conventional system. The program assists in sizing the solar heating system. A sensitivity study and plot capability allow the user to select the most cost effective system configuration.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: NASA-TM-78251
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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