where These errors tend to smear out the sun flux distribution and reduce the effciency of the collector. 3 should be less than a predetermined value. Figure 6 shows the relation between sun image size crf and the collector error 3 as calculated by the ray-tracing method shown in the next section. From this figure and the sun image size requirement crf=0.0112, the maximum allowed collector error 3 was set to be 6.3 mrad. The contributions of the individual optical errors are shown in Fig. 2. Other parameters such as f/D^ h/D*. etc. were also determined using this procedure. Optical Analysis and Design Concentrators for solar dynamic power systems are used to allow a higher flux of solar
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