低倍聚光太阳能纳米流体PV/T系统实验研究  

Experimental Research on Solar Nanofluids PV/T System with Low Solar Concentration Ratio

作　　者：王刚[1] 陈翔龙 林建清[1] 姜铁骝[1] WANG Gang;CHEN Xianglong;LIN Jianqing;JIANG Tieliu(School of Energy and Power Engineering,Northeast Electric Power University,Jilin 132012,China)

机构地区：[1]东北电力大学能源与动力工程学院,吉林132012

出　　处：《工程热物理学报》2024年第11期3233-3238,共6页Journal of Engineering Thermophysics

基　　金：吉林省自然科学基金学科布局项目(No.20210101081JC)。

摘　　要：本文设计并搭建了一种使用低聚光倍数的复合抛物面(CPC)聚光器的双流道太阳能光伏/光热(PV/T)系统实验装置。介绍了该双流道PV/T系统的设计原理和实验装置的组成,制备了Ag纳米颗粒和Ag/水纳米流体,并对不同浓度的Ag/水纳米流体的光学性能进行了测试。对使用Ag/水纳米流体的双流道PV/T系统的运行进行了全天实验测试,测试结果表明,使用Ag/水纳米流体的双流道PV/T系统可以维持长时间的稳定运行,具备相对较好的日应用技术可行性。使用Ag/水纳米流体的条件下,PV/T系统稳定运行时的热效率约为56.1%,效率约为25.5%,光伏组件的填充因子和最大输出功率为0.602和74.2 W,PV/T系统的总电效率为8.5%。This paper presents the design and establishment of the experimental device of a solar double flow channel photovoltaic/thermal(PV/T)system using compound parabolic concentrator(CPC).The design principle of the double flow channel PV/T system and the configuration of the experimental device are introduced.Ag nano-particles and Ag/water nanofluids are prepared,and the optical performances of Ag/water nanofluids with different Ag concentrations are tested.Full day experimental testing is conducted on the operation of the double flow channel PV/T system using Ag/water nanofluids.The experimental results show that the double flow channel PV/T system using Ag/water nanofluids can maintain the long-term stable operation,revealing relatively good daily application technical feasibility.When the PV/T system using Ag/water nanofluids operates stably,the thermal efficiency of the PV/T system is about 56.1%,the exergy efficiency of the PV/T system is about 25.5%,the fill factor and maximum power of the photovoltaic module are 0.602 and 74.2 W,and the overall electric efficiency of the PV/T system is 8.5%.

关 键 词：太阳能光伏 复合抛物面聚光器 Ag/水纳米流体 低倍聚光 PV/T系统 

分 类 号：TK512[动力工程及工程热物理—热能工程]