典型天气下武汉地区太阳直接辐射强度的动态变化特性  

DYNAMIC CHARACTERISTICS OF DIRECT SOLAR RADIATION INTENSITY IN WUHAN UNDER TYPICAL WEATHER

作　　者：毛前军[1] 金穗穗 吴昕阳 李梓欣 彭丽[1] MAO Qianjun;JIN Suisui;WU Xinyang;LI Zixin;PENG Li(Wuhan Univ.of Science and Technology,Wuhan 430065,China)

机构地区：[1]武汉科技大学城市建设学院,武汉430065

出　　处：《低温建筑技术》2018年第11期108-111,共4页Low Temperature Architecture Technology

基　　金：国家自然科学基金(51876147)

摘　　要：太阳能作为解决世界能源危机的一种新型可再生能源,其开发与利用直接影响整个能源结构的健康发展。通常太阳辐射由直射辐射和散射辐射组成,其中直射辐射对聚集太阳能系统及其他领域起到了至关重要的影响。本文通过实验测试三种典型天气下(晴天、多云、阴天)武汉地区的太阳直射辐射强度波动情况,每种天气分别选择两种不同的大气温度,并通过实验结果分析太阳直射辐射的影响因素。研究结果表明当天气状况不同时,太阳直射辐射会在一定程度上有所不同。晴天的太阳直射辐射强度大于阴天,晴天的峰值太阳直射辐射在777～830W/m^2之间,阴天的峰值太阳直射辐射在649～698W/m^2之间,多云天气下的太阳直射辐射波动最大,而且当日平均温度不同时不同天气状况的太阳直射辐射也会有变化。Solar energy as a new type of renewable energy to solve the world energy crisis, its development and utilization direetly affeet the healthy development of the entire energy strueture. Solar radiation is eomposed of direet and seattered radiation. Direet radiation plays a vital role in eoneentrating solar systems and other areas.. In this paper, the fluetuation of direet solar radiation intensity in three typieal weather eonditions （sunny, eloudy and eloudy） in wuhan is tested through experiments. Two different atmospherie temperatures are seleeted for eaeh weather, and the influeneing faetors of direet solar radiation are analyzed by experimental results. The results show that when the weather is different, the direet solar radiation will be different to some extent. The direet solar radiation intensity on sunny days is greater than that on eloudy days. The peak solar direet radiation in sunny days is between 777-830w /m^2, while the peak solar direet radiation in eloudy days is between 649-698w/m^2, and the solar direet radiation fluetuation in eloudy weather is the largest. When the average daily temperature is different, the direet solar radiation of different weather eonditions will also ehange.

关 键 词：太阳直射辐射强度 气候条件 影响因素 动态变化 

分 类 号：TU111.2[建筑科学—建筑理论]