蓄能型空气式太阳能集热器的实验研究与分析  

Experimental Research and Analysis on Energy Storage Air-type Solar Collector

作　　者：刘迟 李保国[1] 罗权权 苏树强 肖洪海 Liu Chi;Li Baoguo;Luo Quanquan;Su Shuqiang;Xiao Honghai(College of Energy and Power Engineering,University of Shanghai for Science&Technology,Shanghai 200093,China;Company Limited of Shanghai for ZN-ENERGY,Shanghai 201200,China)

机构地区：[1]上海理工大学能源与动力工程学院,上海市200093 [2]上海筑能环境科技有限公司,上海市201200

出　　处：《农业装备与车辆工程》2022年第5期64-68,73,共6页Agricultural Equipment & Vehicle Engineering

摘　　要：为改进以水为传热介质的太阳能集热器所出现冻裂、泄露和结垢等问题,研发了蓄能型空气式太阳能集热器,对其性能进行了测试分析。结果表明:采用横向双排式结构,可提高集热器的热性能。晴天工况下,有蓄能芯的集热器相比无蓄能芯的集热器,平均集热效率提高了35.4%,总供热量增加了20.82 MJ,供热时间延长了3 h左右。有相变蓄能芯的太阳能集热器,在太阳辐射强度出现较大波动时,集热器内部的温度平稳升降,集热器的稳定性显著提高。该实验研究可为蓄能型太阳能集热器的推广应用提供参考。In order to improve the freezing cracks, leakage and scaling of solar collectors using water as the heat transfer medium, an energy storage air-type solar collector was developed and its performance was tested and analyzed. The results show that the use of a horizontal double-row structure can improve the thermal performance of the collector. Under sunny conditions, compared to a collector without an energy storage core, the average collector efficiency has been improved by 35.4%, the total heat supply has been increased by 20.82 MJ, and the heating time has been extended by about 3 h. When the solar radiation intensity fluctuates greatly, the temperature inside the solar collector with phase-change energy storage core rises and falls steadily. The stability of collector is significantly improved. This experimental study can provide a reference for the promotion and application of energy storage solar collectors.

关 键 词：太阳能集热器 相变蓄能 空气 热性能 

分 类 号：TK515[动力工程及工程热物理—热能工程]