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Methodology to assess potential glint and glare hazards from concentrating solar power plants: Analytical models and experimental validation

Journal of Solar Energy Engineering, Transactions of the ASME

Ho, Clifford K.; Ghanbari, Cheryl G.; Diver, Richard B.

With a growing number of concentrating solar power systems being designed and developed, the potential impact of glint and glare from concentrating solar collectors and receivers is receiving increased attention as a potential hazard or as a distraction for motorists, pilots, and pedestrians. This paper provides analytical methods to evaluate the irradiance originating from specularly and diffusely reflecting sources as a function of distance and characteristics of the source. Sample problems are provided for both specular and diffuse sources, and validation of the models is performed via testing. In addition, a summary of safety metrics is compiled from the literature to evaluate the potential hazards of calculated irradiances from glint and glare for short-term exposures. Previous safety metrics have focused on prevention of permanent eye damage (e.g., retinal burn). New metrics used in this paper account for temporary after-image, which can occur at irradiance values several orders of magnitude lower than the irradiance values required for irreversible eye damage. © 2011 American Society of Mechanical Engineers.

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TYPE Conference YEAR 2011
ScopusOSTI
Results 376–400 of 512
Results 376–400 of 512