光学学报, 2017, 37 (12): 1208002, 网络出版: 2018-09-06   

平板吸收体非对称复合抛物聚光器结构及特性研究 下载: 842次

Research on Structure and Characteristics of Asymmetrical Compound Parabolic Concentrator with Plane Absorber
章波 1,2陈飞 1,2,*段鹏飞 1,2杨春曦 2别玉 1,2
作者单位
1 昆明理工大学太阳能工程研究所, 云南 昆明 650500
2 昆明理工大学化学工程学院, 云南 昆明 650500
摘要
针对平板吸收体非对称复合抛物聚光器(PACPC)的结构及特性进行了研究。构建了平板吸收体复合抛物聚光器(CPC)面形结构模型,在其基础上进一步建立了PACPC结构方程,并获得解析解。采用光学设计软件TracePro对所构建的PACPC面形结构的光学特性进行了光学模拟,探究其光学特性,发现随着光线入射角的变化,吸收体表面接收到的辐射能分布不均匀。根据太阳能直散辐射理论,分别计算了PACPC在全年中的直散辐射量的采集,结果表明PACPC系统的年采光量较相同面积的平板吸收体系统得到了显著提高,平均年采光量提高了15.28%。
Abstract
The structure and characteristics of asymmetrical compound parabolic concentrators with plane absorber (PACPC) is researched. The surface structure model of compound parabolic concentrators (CPC) with plane absorber is established, and the structural equation of PACPC is further established on the basis of CPC, and the analytic solution is obtained. The optics characteristic of the established PACPC surface structure model is simulated by the optical design software TracePro, and the optical characteristics are investigated. It is found that, with the change of incident angle of light, the radiant energy at the absorber surface is distributed unevenly. According to the solar direct and dispersion radiation theory, the acquisition of direct and scattered radiation in the course of the year is calculated by numerical calculation. The results show that the average annual lighting quantity obtained by the system of PACPC is obviously more than that of the plane absorber system with same area, and the increment is 15.28%.

章波, 陈飞, 段鹏飞, 杨春曦, 别玉. 平板吸收体非对称复合抛物聚光器结构及特性研究[J]. 光学学报, 2017, 37(12): 1208002. Bo Zhang, Fei Chen, Pengfei Duan, Chunxi Yang, Yu Bie. Research on Structure and Characteristics of Asymmetrical Compound Parabolic Concentrator with Plane Absorber[J]. Acta Optica Sinica, 2017, 37(12): 1208002.

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