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Bouamra, Messaoud, Dahia, Ahmed. (1404). Peak Flux Density Comparison on the Receiver Image between Conventional and Rotating Heliostats. , 10(2), 2335-2348. doi: 10.22059/jser.2025.398075.1592
Messaoud Bouamra; Ahmed Dahia. "Peak Flux Density Comparison on the Receiver Image between Conventional and Rotating Heliostats". , 10, 2, 1404, 2335-2348. doi: 10.22059/jser.2025.398075.1592
Bouamra, Messaoud, Dahia, Ahmed. (1404). 'Peak Flux Density Comparison on the Receiver Image between Conventional and Rotating Heliostats', , 10(2), pp. 2335-2348. doi: 10.22059/jser.2025.398075.1592
Bouamra, Messaoud, Dahia, Ahmed. Peak Flux Density Comparison on the Receiver Image between Conventional and Rotating Heliostats. , 1404; 10(2): 2335-2348. doi: 10.22059/jser.2025.398075.1592

Peak Flux Density Comparison on the Receiver Image between Conventional and Rotating Heliostats

Journal of Solar Energy Research
دوره 10، شماره 2، تیر 2025، صفحه 2335-2348    اصل مقاله (785.74 K)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22059/jser.2025.398075.1592
نویسندگان
Messaoud Bouamra* 1؛ Ahmed Dahia2
1Department of Mechanical Engineering, Faculty of Sciences and Technology, Ahmed Zabana University of Relizane, Algeria
2Nuclear Research Center of Birine, B.P. 180, AIN OUSSERA 17200, Djelfa, Algeria
چکیده
The current study uses the HFCAL approach to construct a computing algorithm that provides the flux density distributed on the receiver image of a northern hemisphere heliostat. As part of the flux computation process, optical performance was improved by replacing the conventional heliostat with a rotating model that optimizes the cosine effect. The results obtained were validated against experimental data from the solar platform plant in Almeria, Spain. The concentrated solar flux incident on the receiver surface from the two technologies, conventional and rotating heliostats, is compared at five specific times on the spring equinox day. The comparison is carried out for both a single heliostat and a group of heliostats similar to those in the PS10 tower field. The results show that rotating heliostats significantly outperform conventional systems, particularly during the morning and afternoon when the sun is at lower altitudes and precise tracking is critical. At 08:00, the peak flux density increases by 36.25% compared to a conventional heliostat row, while at 10:00 and 14:00 the improvement is 12.38% for both times. At solar noon, both systems achieve similar peak flux values. This demonstrates higher peak flux and more uniform illumination in a simplified solar field.
کلیدواژه‌ها
Cavity receiver؛ Power tower؛ Simulation؛ Solar؛ Rotating heliostat field
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