Circumsolar radiation data for central receiver simulation

Details Circumsolar radiation data for central receiver simulation Circumsolar radiation data for central receiver simulation

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978erda.work.....h&link_type=abstract

Presented at ERDA Workshop on Methods for Optical Analysis of Central Receiver Systems, Houston, Tex., 10 Aug. 1978

Computer Science

Performance

Circumsolar Radiation, Radiation Effects, Solar Collectors, Solar Energy Conversion, Computerized Simulation, Concentrators, Performance Prediction, Solar Flux Density

Scientific paper

The circumsolar measurement project carried out to provide data to assess the effects of circumsolar radiation on the operation of solar thermal conversion systems using concentrating collectors, especially central receiver systems is described. Four circumsolar telescopes were constructed and are providing detailed intensity vs. angle profiles of the solar and circumsolar region, as well as other solar and climatological data. Emphasis is on reducing the data and making it available to groups analyzing the performance of central receiver systems. In most highly concentrating solar systems, the size of the receiver is determined by the ray bundle originating from the most distant heliostat. If the bundle size is calculated by using the solar disc, it is clear that some fraction of the circumsolar radiation will fall outside the receiver aperture. The results provide the detailed type of input data for central receiver simulation codes that are necessary for determining these losses, optimizing the receiver or field size, and determining the distribution of stray flux due to circumsolar radiation.

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