Optimization design and performance analysis of a novel asymmetric compound parabolic concentrator with rotation angle for building application
Optimization design and performance analysis of a novel asymmetric compound parabolic concentrator with rotation angle for building application
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一种新型带旋转角度的建筑用非对称复合抛物面聚光器的优化设计及性能分析
DOI：
10.1016/j.solener.2017.10.029
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发表时间：
2017-12
期刊：
影响因子：
6.7
通讯作者：
BinZhao
中科院分区：
文献类型：
--
作者：
QingdongXuan;GuiqiangLi;GangPei;JieJi;YuehongSu;BinZhao
提出并制造了一种与建筑物南墙集成的新型非对称透镜壁复合抛物面聚光器（ALCPC）。除了不对称的镜壁结构外，还引入了底部特殊的旋转角度来优化性能。通过实验和光线追迹模拟，详细分析了ALCPC-PV的电学和光学性能。室内实验采用Newport公司的太阳模拟器（Oriel Sol3A Model 90943A）在黑暗环境下进行，温度为25℃。从实验结果来看，ALCPC的最大功率比裸电池提高了1.74倍。几何聚光比的降低主要是由于制造误差、失配损耗、串联电阻损耗等造成的。还通过Lighttools软件对ALCPC的光学性能进行了研究，识别了不同入射角下的光学效率以及通过不同入射角的全内反射和镜面反射收集到的能量的分布百分比。实验结果与射线追踪结果之间观察到良好的一致性。 0-60°入射角的光学效率均在其峰值的90%以内，这意味着所提出的ALCPC可以实现60°的接收角且光学效率高，显示出作为建筑南墙一体化静态聚光器的良好潜力。
A novel asymmetric lens-walled compound parabolic concentrator (ALCPC) for integration with the building south wall was proposed and manufactured. Besides of the asymmetric lens-walled structure, the special rotation angle at the bottom is also introduced to optimize the performance. The electrical and optical performance of the ALCPC-PV was detailed analyzed through the experiment and ray tracing simulation. The indoor experiment was conducted by a solar simulator (Oriel Sol3A Model 90943A) from Newport Corporation at the dark environment with the temperature of 25 °C. Form the experiment results, the ALCPC increases the maximum power by a ratio of 1.74x compared to the bare cell. The decrease of the geometric concentration ratio is mainly due to manufacturing errors, mismatch losses, series resistance losses, etc. The optical performance of the ALCPC was also investigated by the software Lighttools, and the optical efficiency and the distribution percentage of the energy collected through the total internal reflection and the specular reflection at different incidence angles are identified at various incidence angles. A good agreement is observed between the experiment results and the ray tracing results. The optical efficiency at the incidence angles of 0–60° is all within 90% of its peak value which means that the proposed ALCPC can achieve 60° acceptance angle with high optical efficiency that it shows a good potential as a static concentrator for the building south wall integration.
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