Experiment and simulation study on the flux distribution of lens-walled compound parabolic concentrator compared with mirror compound parabolic concentrator
Experiment and simulation study on the flux distribution of lens-walled compound parabolic concentrator compared with mirror compound parabolic concentrator
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透镜壁复合抛物面聚光器与镜面复合抛物面聚光器光通量分布对比实验及仿真研究
DOI：
10.1016/j.energy.2013.06.027
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发表时间：
2013-09
期刊：
影响因子：
9
通讯作者：
Saffa B. Riffat
中科院分区：
文献类型：
--
作者：
Pei Gang;Su Yuehong;Ji Jie;Saffa B. Riffat
由于复合抛物线聚光器的半接受角较大而提出了初步的透镜壁CPC(复合抛物线聚光器)，但实际上它还有另一个优点，即在相同几何浓度比的情况下，它比镜面CPC具有更均匀的通量分布。为了首次全面评价透镜壁CPC的光通量分布，制作了透镜壁CPC PV(复合抛物聚光器光伏)，并与镜面CPC PV在不同入射角下进行了对比测试。实验结果表明，镜面CPC光伏的填充因子(Ff)比镜面CPC PV的下降幅度更大，说明镜面CPC在光伏上具有更均匀的光通量分布。此外，还对镜面CPC和镜壁CPC之间的通量分布进行了软件模拟。模拟结果清楚地说明了透镜壁CPC的这一优点，直观地验证了实验推断，对透镜壁CPC的应用具有重要意义。
Preliminary lens-walled CPC (compound parabolic concentrator) was proposed owing to its larger half acceptance angle, but in fact, it has another advantage of more uniform flux distribution than mirror CPC with the same geometrical concentration ratio. In this paper, in order to firstly evaluate the flux distribution of lens-walled CPC comprehensively, a lens-walled CPC PV (compound parabolic concentrator photovoltaic) was fabricated and tested at the different incidence angles comparison with mirror CPC PV. The experimental results showed that the FF (fill-factor) of the mirror CPC PV dropped more sharply than that of the lens-walled CPC PV, which indicated that the lens-walled CPC has a more uniform flux distribution on PV (photovoltaic). In addition, a software simulation of the flux distribution between mirror CPC and lens-walled CPC was carried out. The simulation illustrated clearly this advantage of the lens-walled CPC, which directly demonstrated the experimental inference and would be significant for lens-walled CPC application.
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