Research Article
Comparison Study of Two Different Sun-Tracking Methods in Optical Efficiency of Heliostat Field
Table 2
Annual efficiencies of heliostat field for both sun-tracking methods.
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Latitude | SE | AE | | 0° | 15° N | 30° N | 0° | 15° N | 30° N |
| | Cosine efficiency | 84.99% | 84.45% | 82.86% | 84.99% | 84.45% | 82.86% | | Blocking efficiency | 98.14% | 98.07% | 98.03% | 97.11% | 97.13% | 97.24% | | Shadowing efficiency | 98.71% | 98.11% | 95.63% | 98.56% | 97.93% | 95.41% | | Annual field efficiency, | 82.33% | 81.25% | 77.67% | 81.35% | 80.33% | 76.88% |
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