太阳能槽式系统焦平面能流特性及接收器结构优化  

ENERGY DISTRIBUTION OF FOCAL PLANE AND OPTIMIZATION OF RECEIVER FOR PARABOLIC TROUGH CONCENTRATOR

作　　者：陈飞[1] 李明[1] 季旭[1] 罗熙[1] 张莹[1] 许成木[1] 陈智平[1] 洪永瑞 

机构地区：[1]云南师范大学太阳能研究所,昆明650092 [2]云南师范大学物理与电子信息学院,昆明650092

出　　处：《太阳能学报》2015年第9期2173-2181,共9页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金云南联合基金重点项目(U1137605);国家国际科技合作项目(2011DFA60460);教育部长江学者和创新团队发展计划(IRT0979)

摘　　要：采用几何光学基本方法对太阳能槽式系统焦平面的能流特性进行研究,并针对聚光热电联供系统优化其接收器的几何结构。通过对直径太阳模型的构建与数值计算,获得槽式系统在焦平面处能流分布曲线,并与Trace Pro模拟结果进行比较,结果显示软件模拟的相对误差为5.76%。基于CCD(电荷耦合元件)对槽式系统的聚光特性进行实验测量,借助Matlab分析处理能流分布图片,发现实验结果与理论计算、软件模拟相吻合。最后提出一种新型的线聚焦接收器几何结构,研究结果表明该优化设计的接收器有益于提高聚光太阳电池的工作性能。The energy distribution characteristic of focal plane for parabolic trough solar concentrator was studied by the method of geometrical optics, and the structure of the receiver for concentrating solar photovoltaic/thermal system was optimized. The energy distribution curve was obtained by establishing and calculating the diametric solar model and was compared with simulation of TracePro, the result showed that the relative error was 5.76% between the theoretical model and the simulation. The concentrating characteristic of parabolic trough solar concentrator was measured by CCD （Charge Coupled Device） , and the Matlab is used for analyzing the photograph from CCD. It was found that the experimental result of energy distribution is comparable with that of theoretical calculation and simulation of TrancePro. At last, a new linear receiver was proposed, and the optimized and designed receiver is beneficial to improve the characteristic of concentrating solar cells.

关 键 词：太阳能槽式系统 光学性能 反射镜 厚度 优化 

分 类 号：O435.1[机械工程—光学工程]