立式集热板太阳能热气流电站系统研究  

A STUDY ON SOLAR CHIMNEY POWER PLANT SYSTEM WITH VERTICAL COLLECTOR

作　　者：周艳[1] 李庆领[1] 李洁浩[1] 刘晓惠[1] 

机构地区：[1]青岛科技大学机电工程学院,山东青岛266042

出　　处：《工程热物理学报》2010年第3期465-468,共4页Journal of Engineering Thermophysics

基　　金：山东省自然基金项目资助(No.Z2008F05)

摘　　要：设计了一种立式集热板式太阳能热气流电站,分析了该系统的最大输出功率及能量转换率。数学模型考虑了系统尺寸、太阳辐射及环境条件对系统最大输出功率的影响。结果表明系统最大输出功率不仅是烟囱高度的函数,同时与太阳辐射及环境参数有很大关系。受结构限制,在太阳辐射强度为1000 W/m^2、烟囱高度为100m时,本系统能量转换率约为0.2%,在设计上可考虑采用多条集热式烟囱通道并联方式来增加集热面积,以达到提高系统最大输出功率的目的。A solar chimney power plant system with vertical collector is designed, analysis on the output power and the energy conversion efficiency of the system has been presented. The effects of various geometry parameters, the solar radiation and environmental conditions influence on the maximum power output and efficiency of the system have been considered to develop the mathematical model. The result show that： The maximum power output is a function of not only the chimney height, but also the solar radiation and environmental conditions as well. By constrains of the system structure, when the solar radiation is 1000 W/m^2 and the chimney height is 100 m, the energy conversion efficiency is about 0.2%. So the design that a number of parallel collecting channel are built to increase the collecting area could be considered to achieve the target of increasing the maximum output and the energy conversion efficiency.

关 键 词：太阳能热气流电站 立式集热热板 系统最大输出功率 系统能量转换率 

分 类 号：TK124[动力工程及工程热物理—工程热物理]