Development of a High-Flux Solar Simulator for Experimental Testing of High-Temperature Applications

被引：13
作者：
Milanese, Marco [1 ]
Colangelo, Gianpiero [1 ]
de Risi, Arturo [1 ]
机构：
[1] Univ Salento, Dept Engn Innovat, I-73100 Lecce, Italy
来源：
ENERGIES | 2021年 / 14卷 / 11期
关键词：
high-flux solar simulator; concentrated solar energy; optical characterization; PARABOLIC-TROUGH COLLECTOR; REACTOR; DESIGN; DRIVEN; WATER; OPTIMIZATION; DISSOCIATION; HYDROGEN; SYSTEM;
D O I：
10.3390/en14113124
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In the last few years, several studies have been carried out on concentrating solar thermal and thermochemical applications. These studies can be further enhanced by means of high-flux solar simulators (HFSS), since they allow the development of experimental tests under controlled irradiance conditions, regardless of sunshine. In this work, a new high-flux solar simulator, capable of reaching levels of irradiance higher than 100 W/cm(2) (1000 suns), has been designed, built and characterized. This simulator is composed of 8 ellipsoidal specular reflectors, arranged face-down on a horizontal plane, in order to irradiate from the upper side any system requiring the simulation of concentrated solar radiation; differently from the HFSSs described in the scientific literature, this configuration allows the avoidance of any distortion of fluid-dynamic or convective phenomena within the system under investigation. As a first step, a numerical analysis of the HFSS has been carried out, simulating each real light source (Xe-arc), having a length of 6.5 mm, as a line of 5 sub-sources. Therefore, the HFSS has been built and characterized, measuring a maximum irradiance of 120 W/cm(2) and a maximum temperature of 1007 degrees C; these values will be enough to develop experimental tests on lab-scale thermal and thermochemical solar applications.
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页数：18
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