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Solar Radiation Measurements: Calibration and Standardization Efforts

  • G. A. Zerlaut

Abstract

This chapter reviews recent activities in the field of solar radiation measurements and includes discussions of historical problems, the genesis of various national and international activities dealing with studies to solve them, and current and planned activities in assessing various aspects of the measurement of solar irradiance. Emphasis is on the development of test methods and the promulgation of industry standards for the operation and calibration of solar radiometers used to determine irradiance, largely in support of solar device testing. The need for standardization at both the domestic and international levels is discussed, as are activities relating to the maintenance of the World Radiation Reference Scale in the U.S., and the relation of these activities to the internationally recognized pentannual pyrheliometric comparisons at Davos, Switzerland. Specific organizations mentioned are the World Meteorological Organization (WMO), the International Energy Agency (lEA), Subcommittee.02 on Environmental Parameters of ASTM Committee E-44 on Solar Energy Conversion, and Subcommittee 1 Climate of the International Standards Organization (ISO) Technical Committee 180 on Solar Energy. Specific attention is devoted to the characterization of pyranometers employed in the precision measurement of irradiance at angles other than horizontal.

Keywords

Solar Irradiance Solar Collector Round Robin International Standard Organization World Meteorological Organization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© American Solar Energy Society, Inc. 1983

Authors and Affiliations

  • G. A. Zerlaut
    • 1
  1. 1.DSET Laboratories, Inc.PhoenixUSA

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