Measurement and Analysis of Near Ultraviolet Solar Radiation

Research output: Contribution to conferencePaper

Abstract

Measurements of direct-normal and global-horizontal ultraviolet (280-385 nm) and full-spectrum (280-4000 nm) solar radiation taken in Golden, Colorado over a one-year period are analyzed, and comparisons are made with data generated from a clear-sky solar radiation model (BRITE) currently in use for predicting the performance of solar detoxification processes. Analysis of the data indicates aratio of global horizontal ultraviolet to full-spectrum radiation of 4%-6% that is weakly dependent on air mass. Conversely, data for direct-normal ultraviolet radiation indicate a much larger dependence on air mass, with a ratio of approximately 5% at low air mass to 1% at higher air masses. Results show excellent agreement between the measured data and clear-sky predictions for both theultraviolet and the full-spectrum global-horizontal radiation. For the direct-normal components, however, the tendency is for the clear-sky model to underpredict the measured data. Averaged monthly ultraviolet radiation available for the detoxification process indicates that the global-horizontal component of the radiation exceeds the direct -normal component throughout the year.
Original languageAmerican English
Number of pages7
StatePublished - 1991
EventASME International Solar Energy Conference - Maui, Hawaii
Duration: 4 Apr 19928 Apr 1992

Conference

ConferenceASME International Solar Energy Conference
CityMaui, Hawaii
Period4/04/928/04/92

Bibliographical note

Prepared for the ASME International Solar Energy Conference, 4-8 April 1992, Maui, Hawaii

NREL Publication Number

  • NREL/TP-253-4493

Keywords

  • detoxification
  • organic wastes
  • solar energy
  • solar radiation
  • ultraviolet radiation

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