新型槽式太阳能聚光集热器的研究与试验  

Experimental research on a novel trough solar concentrator

作　　者：谢果[1] 郑宏飞[1] 王海江[1] 陶滔[1] 

机构地区：[1]北京理工大学机械与车辆工程学院,北京100081

出　　处：《可再生能源》2010年第6期1-5,共5页Renewable Energy Resources

基　　金：国家自然科学基金项目(50576004);国家高技术发展计划(863)项目(2007AA05Z433)

摘　　要：设计了一种新型槽式太阳能聚光集热器,分析了工作原理和设计参数,建立了由该集热器组成的太阳能集热系统,并进行了试验测试。文章给出了采用不同接收器的升温曲线和效率计算值,对不同布置方式的集热性能进行了比较。试验结果表明,该装置具有较高的集热效率,运行温度在80℃时,效率达到35%以上。A late model of trough solar collector is designed.The working mechanism and important design parameters have been analyzed.The solar heating system that is composed of this type of concentrator has been built.Some experimental measures for it have been carried out.Increasing temperature curve of water in tank and efficiencies of the system that adopt different vacuum tube receiverare given in this article.Different heat performances were compared when the concentrator in different direction angles.The experimental results indicate that the system has relative high heat collection efficiency in wide working temperature range.When working temperature is about 80 ℃,its efficiency isabove 35%.

关 键 词：太阳能聚光器 高温集热 多曲面复合聚焦 

分 类 号：TK513[动力工程及工程热物理—热能工程]