线性菲涅尔反射式太阳能集热系统的设计与试验研究
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摘要
本文研究了线性菲涅尔反射式太阳能集热系统,基于几何光学原理计算模拟了线性菲涅尔反射镜镜场和复合抛物面的接收系统,在减少末端损失的基础上设计了系统的机械结构,制作了线性菲涅尔反射式太阳能集热系统的装置,并进行了集热性能的实验测试。测试结果表明,该系统在9倍聚焦倍率下,导热油的最高温度可达176.2℃,系统的平均瞬时热效率约为53%,很好地实现了其集热性能。
In this paper linear Fresnel reflector solar collector system was studied. Based on the principle of geometrical optics, the mirror field layout and compound parabolic collector were calculated. The mechanical structure of the system was designed to reduce end loss energy, and the linear Fresnel reflector collector device was made. The solar collecting performance was tested. The experimental results show that the maximum temperature of the heat transfer oil is 176.2°C with the concentration ratio of 9 times. The average instantaneous efficiency of the system is 53%, which achieves a good solar collecting performance.
In this paper linear Fresnel reflector solar collector system was studied. Based on the principle of geometrical optics, the mirror field layout and compound parabolic collector were calculated. The mechanical structure of the system was designed to reduce end loss energy, and the linear Fresnel reflector collector device was made. The solar collecting performance was tested. The experimental results show that the maximum temperature of the heat transfer oil is 176.2°C with the concentration ratio of 9 times. The average instantaneous efficiency of the system is 53%, which achieves a good solar collecting performance.
引文
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[7]David R.Mills and Graham L.Morrison.Compact linear Fresnel reflector solar thermal poweplants[J].Solar energy,2000,68(3):263-283.
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[11]林蒙.基于腔体吸收器的菲涅尔反射式聚光型太阳能集热器[D].上海:上海交通大学,2013.
[2]宋固.线性菲涅尔反射式太阳能集热系统研究[D].山东:山东大学,2011.
[3]张晓东.复合抛物面型集热器性能研究[D].西安:西北工业大学,2006.
[4]刘灵芝,李戬洪.复合抛物面聚光器(CPC)光学分析研究[J].能源技术,2006,27(2):52-59.
[5]季杰.太阳能光热低温利用发展与研究[J].新能源进展,2013,1(1):7-31.
[6]谢文韬.菲涅尔太阳能集热器集热性能研究与热迁移因子分析[D].上海:上海交通大学,2012.
[7]David R.Mills and Graham L.Morrison.Compact linear Fresnel reflector solar thermal poweplants[J].Solar energy,2000,68(3):263-283.
[8]周小泉,周海妮,谭永超,等.线性菲涅尔反射式太阳能集热系统镜场优化布置及光学性能开发与应用研究[J].实验室研究与探索,2012,31(10):306-367.
[9]车淑平.线性菲涅尔反射系统光学和集热性能研究[D].山东:山东大学,2012.
[10]李戬洪,江晴.一种高效平板太阳能集热器试验研究[J].太阳能学报,2001,22(2):131-135.
[11]林蒙.基于腔体吸收器的菲涅尔反射式聚光型太阳能集热器[D].上海:上海交通大学,2013.