一种复合抛物面槽式太阳能聚光集热器的性能研究  

Performance research into a novel CPC trough solar collector

作　　者：侯静[1,2] 郑宏飞[3] 常泽辉[4] 于苗苗[4] 

机构地区：[1]内蒙古工业大学化工学院,内蒙古呼和浩特010051 [2]内蒙古建筑职业技术学院机电与暖通工程学院,内蒙古呼和浩特010070 [3]北京理工大学机械与车辆学院,北京100081 [4]内蒙古工业大学能源与动力工程学院,内蒙古呼和浩特010051

出　　处：《可再生能源》2015年第7期977-981,共5页Renewable Energy Resources

基　　金：国家自然科学基金资助项目(U126119);内蒙古自然科学基金资助项目(2013MS0704;2015MS0545);内蒙古自治区高校科研项目(NJZY12280)

摘　　要：对一种新型复合抛物面槽式太阳能集热器进行了光学仿真和热性能研究。介绍了聚光器的设计与工作原理,在计算机上对其进行了三维建模,利用蒙特卡洛光线追迹模拟不同入射角、不同安装误差偏角的情况下,圆柱形聚光接收体表面上能流分布特征及光学效率的变化规律。光学仿真结果表明,当镜面反射率为0.92,在太阳光线入射角为0~7.5°时,光线接收率为99.36%~51.51%,聚光效率为92.14%~48.1%。室外测试结果显示,装置热效率为43.2%。A novel trough compound parabolic concentrator（CPC） is introduced in this paper. The optical simulation and thermal performance researches are carried out and the principles of its working are presented. At the same time, a 3D computer model of cylindrical absorber is established.The Monte Carlo method is applied to investigate the characteristics of energy flux distribution on the receiver and optical efficiency of the absorber at different incidence angles and installation angle errors. The outdoor thermal efficiency of concentrator device is tested. The results indicate that the overall ray＇s receiving rate of 99.36% ~51.51% and optical efficiency of 92.14% ~48.1% are obtained from the incidence angle of 0 ° to 7.5 ° with the mirror reflectance of 0.92, thermal efficiency of the concentrator device is 43.2%.

关 键 词：太阳能 复合抛物面聚光器 几何光学 热效率 

分 类 号：TK519[动力工程及工程热物理—热能工程]