Tilt optimization of a building integrated solar concentrating unit | Zendy

Daniel Chemisana | Zendy; Y. Tripanagnostopoulos | Zendy; Chr. Lamnatou | Zendy; Manolis Souliotis | Zendy; Jordi Rosell | Zendy; Jérôme Barrau | Zendy

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Tilt optimization of a building integrated solar concentrating unit

Author(s) -

Daniel Chemisana,

Y. Tripanagnostopoulos,

Chr. Lamnatou,

Manolis Souliotis,

Jordi Rosell,

Jérôme Barrau

Publication year - 2012

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4753872

Subject(s) - tilt (camera) , concentrator , solar energy , optics , photovoltaic system , generator (circuit theory) , thermal , environmental science , meteorology , aerospace engineering , computer science , mechanical engineering , engineering , electrical engineering , physics , power (physics) , quantum mechanics

The concept of a static linear Fresnel concentrator with a tracking absorber has been simulated and well understood in the past. This paper bridges the gap between theoretical optical performances and operation in outdoor conditions. The effort focuses on the characterization of weather and tilt angle effects on the solar concentrator annual performance. Useful mathematical expressions are derived to show the dependence of the annual concentrated energy on latitude, global radiation, mean clearness index and tilt angle. An equation for the optimization of the annual yield is also proposed. The results are applied to a PVT generator and the annual production of thermal and electrical output energy is evaluated for an installation in Barcelona (Spain). A performance improvement above 5% is reached when the optimized tilt angle is used

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