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Energy Conversion Systems Reference Handbook.Volume V. Direct Solar Conversion

Report Number: WADD TR 60-699 Volume 5
Author(s): W.Evans And W.R.Menetrey
Corporate Author: Electro-Optical Systems, Inc.
Corporate Report Number: EOS REPORT 390-FINAL
Laboratory: Flight Accessories Laboratory
Date of Publication: 1960-09
Pages: 212
Contract: AF 33(616)-6791
Project: 4769
Task: 61048
AD Number: AD0257788
Original AD Number: AD257788

Abstract:
The performance characteristics are described of the photovoltaic converter when used to convert solar radiation directly to dc electrical energy. Empirical and analytical relationships are derived which present expected efficiencies of conversion as a function of temperature, solar insoign, *Photoelectric cells, Plasma physics, Electro magnetic waves, Theory, Materials, Cratering, Configuration, Production. Open-ended Terms: Energy conversion. The performance characteristics are described of the photovoltaic converter when used to convert solar radiation directly to dc electrical energy. Empirical and analytical relationships are derived which present expected efficiencies of conversion as a function of temperature, solar insolance, and other factors. The effects of environmental degradation due to meteoroids and the Van Allen belts are discussed. The present and anticipated state-of-the-art of fabrication techniques is presented, along with the advantages of using concentrating mechanisms for increasing the solar illumination level. A discussion is also included describing the state of the art and practical and theoretical limitations of the photo-emissive generator. It does not appear at present that the photo-emissive generator offers competition to the photovoltaic cell.

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