PV/T在溶液除湿空调系统中的应用研究Application study of PV/T in liquid desiccant air-conditioning system
张君美,任彦林,李勇刚
ZHANG Junmei,REN Yanlin,LI Yonggang
摘要(Abstract):
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1 100 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 1 100 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.
关键词(KeyWords):
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
基金项目(Foundation): 国家自然科学基金资助项目(51678385)
作者(Author):
张君美,任彦林,李勇刚
ZHANG Junmei,REN Yanlin,LI Yonggang
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