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 a ratio 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 the ultraviolet 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 language | American English |
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| Pages | 51-55 |
| Number of pages | 5 |
| State | Published - 1992 |
| Event | 1992 ASME-JSES-KSES International Solar Energy Conference Part 1 (of 2) - Maui, HI, USA Duration: 5 Apr 1992 → 9 Apr 1992 |
Conference
| Conference | 1992 ASME-JSES-KSES International Solar Energy Conference Part 1 (of 2) |
|---|---|
| City | Maui, HI, USA |
| Period | 5/04/92 → 9/04/92 |
NREL Publication Number
- ACNR/CP-14946