制冷工况下半透明光伏液流窗电热性能对比实验研究

朱丽; 王鹏; 霍玉佼

doi:doi:10.19912/j.0254-0096.tynxb.2024-0227

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制冷工况下半透明光伏液流窗电热性能对比实验研究

更新时间：2025-12-02

- 制冷工况下半透明光伏液流窗电热性能对比实验研究
- Vol. 46, Issue 6, Pages: 486-493(2025)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：doi:10.19912/j.0254-0096.tynxb.2024-0227
  CLC： TU228
- Published Online：07 July 2025，
  
  Published：2025
- 稿件说明：
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朱丽, 王鹏, 霍玉佼. 制冷工况下半透明光伏液流窗电热性能对比实验研究[J]. 2025, 46(6): 486-493.
DOI：

朱丽, 王鹏, 霍玉佼. 制冷工况下半透明光伏液流窗电热性能对比实验研究[J]. 2025, 46(6): 486-493. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0227.

摘要

基于透光光伏组件与液流腔的集成设计

对制冷工况下光伏液流窗于0°、15°、30°倾角下的电热性能进行室外实验测试

以光伏中空窗为参考

对液流腔进水温度为25 ℃、流量为0.4 L/min时两者的性能差异进行对比分析。结果显示

光伏液流窗的隔热性能显著优于光伏中空窗。当太阳辐照度达到620~630 W/m2

室外环境温度为38~39 ℃时

光伏液流窗和光伏中空窗室内侧表面温度分别平均低于室外环境温度9.5 ℃和高于室外温度1 ℃;不同倾角下

通过光伏中空窗直接进入室内的瞬时热量明显更高。倾角为30°时

太阳辐照度为640~650 W/m2

室内外环境温差为9~10 ℃工况下

通过光伏中空窗直接进入室内的瞬时热量均值为9.5 J

约为液流窗的33倍;室内制冷工况下

光伏中空窗电池工作温度分布在24.9~27.3 ℃区间

当液流窗进液温度接近夏季市政供水温度25 ℃时

无法有效为太阳电池降温

应考虑进一步对市政供水进行冷却或采用温度更低的空调冷凝水。

Abstract

The electro-thermal performance of photovoltaic liquid-flow windows with different inclination angles （0°

15°

and 30°） was experimentally evaluated in an outdoor setting under cooling circumstances. These windows are designed using a combination of semi-transparent solar modules and liquid-flow technology. Comparing the performance of the photovoltaic window with an air layer as a reference

we analyze the difference when the liquid flow input temperature is 25 ℃

and the flow rate is 0.4 L/min. The findings indicate that the thermal insulation performance of the photovoltaic liquid-flow window is much superior to that of the photovoltaic window with an air layer. When the solar irradiance on the surface of the photovoltaic window reaches 620-630 W/m and the outdoor ambient temperature is 38-39 ℃

the average indoor surface temperatures of the photovoltaic liquid-flow window and the photovoltaic window with an air layer are respectively 9.5 ℃ lower and 1 ℃ higher than the outdoor ambient temperature. At different inclination angles

the heat flow density through the photovoltaic window with an air layer that enters the room directly is significantly higher. The disparity is most apparent when the inclination angle is set at 30°

the solar irradiance is between 640 and 650 W/m. The temperature difference between indoor and outdoor conditions is 9 to 10 ℃. The mean value of transient heat entering the indoor space directly through the photovoltaic window with an air layer is 9.5 W

which is about 33 times higher than that of the liquid-flow window. When the indoor space is being cooled

the working temperature of the photovoltaic window with an air layer is distributed between 24.9 and 27.3 ℃. When the temperature of the liquid inflow is about equal to the temperature of the municipal water supply

which is 25 ℃ in summer

it is not feasible to efficiently lower the temperature of the solar cells.

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