Possibilities Analysis Of Increasing Efficiency Of Solar Energy Conversion By Use Of Manyfocal Manyspectral Concentrators

V. L. Fara; R. Grigorescu; I. A. Dorobantu

doi:10.1117/12.949939

6 March 1989 Possibilities Analysis Of Increasing Efficiency Of Solar Energy Conversion By Use Of Manyfocal Manyspectral Concentrators

V. L. Fara, R. Grigorescu, I. A. Dorobantu

Author Affiliations +

Proceedings Volume 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII; (1989) https://doi.org/10.1117/12.949939
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

The fundamental idea of this new type of solar concentrator consists in the use of con-vergent lens, which on concave face (exposed toward the Sun) has an infrared reflecting layer, what determines the formation of a spherical mirror for this spectral range; a visible range is concentrated by lens in classical manner. Thermal or photovoltaic receivers with optimum performances, for these spectral bands can be placed in respective foci. In the case of thermal receivers, selective surfaces for narrow spectral bands could be achieved by a less sophisticated technology. Use of these concentrators for photovoltaic receivers would allow manufacturing of manyspectral photovoltaic converters. A mathematical model which takes into account spectral and geometrical characteristics of concentrators and receivers has been elaborated for performances evaluation by computing simulation.

Citation Download Citation

V. L. Fara, R. Grigorescu, and I. A. Dorobantu "Possibilities Analysis Of Increasing Efficiency Of Solar Energy Conversion By Use Of Manyfocal Manyspectral Concentrators", Proc. SPIE 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII, (6 March 1989); https://doi.org/10.1117/12.949939

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