光学学报, 2014, 34 (7): 0712004, 网络出版: 2014-04-29   

一种大聚光比聚集太阳能流密度分布的红外反射测量法

An Infrared Reflection Measurement Method to Measure Concentrated Solar Flux Distributions of High Concentration Ratio
作者单位
福建工程学院生态环境与城市建设学院, 福建 福州 350108
摘要
为测量大聚光比聚集太阳能流密度分布,提出了一种基于红外热像仪和水冷朗伯靶的红外反射测量方法,并设计、研制了测量装置。在十六碟聚集器平台上,用该方法获得了清晰的聚集太阳能流分布红外图像。然后考虑太阳光锥、跟踪误差和面型误差,采用蒙特卡罗射线踪迹法对该十六碟聚集器的聚集能流密度进行数值模拟。通过对比实验结果与数值结果,明确该十六碟聚集器的面型误差为2.5 mrad。为测量大聚光比聚集能流密度分布和评价聚集器面型误差参数提供参考依据。
Abstract
In order to measure the concentrated solar flux distributions of high concentration ratio, an infrared reflection measurement (IRM) method that bases on thermal infrared imager and water-cooled Lambert target is proposed, and the corresponding experimental apparatus are manufactured. Through the experiment at a sixteen-dish concentrator (SDC), clear infrared temperature images on the water-cooled Lambert surface are obtained. Then, the concentrated solar flux distributions of the SDC are simulated by the Monte Carlo ray-tracing method (MCRTM), taking into account the solar cone, the tracking error, and the slope error. By comparing with the experimental results and the simulation results, a slope error parameter of 2.5 mrad is detected. The conclusions can be used for measuring the concentrated solar flux distributions of high concentration ratio and finding out the slope error parameters of the solar concentrators.
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戴贵龙, 郭永辉. 一种大聚光比聚集太阳能流密度分布的红外反射测量法[J]. 光学学报, 2014, 34(7): 0712004. Dai Guilong, Guo Yonghui. An Infrared Reflection Measurement Method to Measure Concentrated Solar Flux Distributions of High Concentration Ratio[J]. Acta Optica Sinica, 2014, 34(7): 0712004.

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