摘要
针对如何提高太阳能集热器出口温度从而更好驱动溶液再生的问题,设计并搭建了一种光伏/热(PV/T)系统实验台,对不同光伏覆盖率(50%,90%)的PV/T系统在不同辐照度下的出水温度、光热光电以及综合性能进行了实验研究。结果表明,50%覆盖率PV/T系统相较于90%覆盖率PV/T系统温升和光热效率分别可平均提升27.3%和9.17%,光电效率平均降低5.64%,综合效率平均提升7.5%。在1100 W的辐照度下,50%覆盖率PV/T系统水温可达62.5℃,表明采用PV/T系统并适当降低系统光伏覆盖率的方式可以更好地驱动溶液再生。
Aimed at the problem of how to increase the temperature of the solar collector outlet to better drive the liquid regeneration,a PV/T system experimental platform was designed and built,experimental research was conducted on the outlet temperature,photothermic and photoelectric and comprehensive performance of PV/T systems with different photovoltaic coverage(50%,90%)under different irradiances.The results show,compared with the 90%coverage PV/T system,the 50%coverage PV/T system's temperature rise and photothermic efficiency can be increased by an average of 27.3%and 9.17%,respectively.Photoelectric efficiency is reduced by an average of 5.64%,comprehensive efficiency increased by 7.5%on average.Under 1100 W irradiance,50%coverage PV/T system water temperature can reach 62.5℃,it shows that adopting the PV/T system and appropriately reducing the photovoltaic coverage of the system can better drive the liquid regeneration.
作者
张君美
任彦林
李勇刚
ZHANG Junmei;REN Yanlin;LI Yonggang(Tianjin University Research Institute of Architectural Design and Urban Planning Co.,Ltd.,Tianjin 300073,China;School of Energy and Safety Engineering,Tianjin Chengjian University,Tianjin 300384,China;Tianjin Architecture Design Institute Co.,Ltd.,Tianjin 300074,China)
出处
《流体机械》
CSCD
北大核心
2021年第7期98-104,共7页
Fluid Machinery
基金
国家自然科学基金资助项目(51678385)。
关键词
PV/T系统
溶液再生
光伏覆盖率
综合性能
PV/T system
liquid regeneration
photovoltaic coverage
comprehensive performance
