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针对PV/T的研究主要以实验方法为主缺乏理论依据的问题,利用管道液体对流传热理论,对PV/T水冷装置的热吸收能力和传热时延进行了初步分析,研究了流速对装置性能的影响。通过设计U型管水冷PV/T进行模型实验,表明了在功能方面,PV/T既可以实现太阳能的热利用,也可以降低组件温度,从而提高光伏发电效率。在性能方面,PV/T的热吸收能力受流速的影响很大,需要平衡热吸收能力与水泵驱动功率之间的矛盾。
The research on PV / T is based on the experimental method mainly lacking the theoretical basis. The heat transfer capacity and heat transfer delay of the PV / T water-cooling unit are analyzed based on the theory of liquid-liquid convection heat transfer in the pipeline. The impact of device performance. Through the design of U-tube water-cooled PV / T model experiments, shows that in terms of functionality, PV / T can both solar thermal utilization, can also reduce the component temperature, thereby increasing the efficiency of photovoltaic power generation. In terms of performance, PV / T heat absorption capacity is greatly affected by the flow rate, the need to balance the heat absorption capacity and the pump drive power between the contradictions.