增加复合抛物面聚光器(CPC)最大聚光角的几种方法及结果比较  

THE SEVERAL METHODS AND RESULT COMPARISON OF INCREASING THE MAXIMUM CONCENTRATION ANGLE OF COMPOUND PARABOLIC CONCENTRATOR(CPC)

作　　者：郑宏飞[1] 陶涛[1] 何开岩[1] 陈子乾[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：《工程热物理学报》2008年第9期1467-1470,共4页Journal of Engineering Thermophysics

基　　金：国家自然科学基金项目(No.50576004);国家高技术发展计划(863)项目(No.2007AA05Z433)

摘　　要：本文简单阐述了复合抛物面聚光器(CPC)的结构与设计原理,介绍了三类增加CPC最大聚光角θ_(max)的方法:平移、截底和旋转,给出了各方法中最大聚光角θ_(max)随几何尺寸变化的计算公式。对不同聚光比的实际CPC,给出了在三类方法变化情况下,最大聚光角增量δθ_(max)随几何变量的变化曲线,并对影响CPC最大聚光角变化的关键因素进行了讨论与分析。This paper simply discusses the structure and the principle of design of compound parabolic concentrator(CPC),introduces three methods of increasing the maximum concentration angleθ_(max): reflector translation,cutting fundus and reflector revolved,produces the formula ofθ_(max) along with the change of geometry size in various methods.To actual CPC with different concentrating ratio,the curve of the maximum concentration increment along with the change of geometry variable in three cases,and analyzes the k...

关 键 词：复合抛物面聚光器 最大聚光角 CPC 

分 类 号：TK513.1[动力工程及工程热物理—热能工程]