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介绍一种微型线性菲涅耳集热器,首先,采用光学追踪软件对线性菲涅耳集热器的二次反射器进行模拟研;其次,通过理论计算得出微型线性菲涅耳聚光集热器的安装初始角;最后,计算出微型聚光系统的镜场几何聚光比为13.4,模拟得出能量聚光比和平均光学效分别为8.3和58%。此外还进行了初步的试验测试,测试结果显示在0.7MPa条件下可产生165℃的饱和蒸汽。
A miniature linear Fresnel collector is introduced. Firstly, the optical fiber tracer is used to simulate the secondary reflector of the linear Fresnel collector. Secondly, the theoretical results of the miniature linear Fresnel collector Finally, the geometric condensing ratio of the micro-condensing system was calculated to be 13.4. The energy converging ratio and the average optical efficiency of the micro condensing system were calculated to be 8.3 and 58% respectively. In addition, a preliminary test was carried out. The test results show that the saturated steam at 165 ℃ can be produced at 0.7MPa.