Research on the Thermoelectric Performance of a PVT System Based on a Full-flow Channel Cooling Collector

JIANG Denghui; WANG Xin; LI Hongliang; LIU Ning; LI Xiao; HU Zhipeng; WANG Shuai

doi:10.19805/j.cnki.jcspe.2026.250370

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Research on the Thermoelectric Performance of a PVT System Based on a Full-flow Channel Cooling Collector

更新时间：2026-09-15

- Research on the Thermoelectric Performance of a PVT System Based on a Full-flow Channel Cooling Collector
- Chinese Journal of Power Engineering Vol. 46, Issue 9, Pages: 111-118(2026)
- 作者机构：
  
  1. 山东省产品质量检验研究院,山东,济南,250100
  2. 山东大学核科学与能源动力学院,山东,济南,250061
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2026.250370
  CLC： TK513
- Published：2026
- 稿件说明：
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蒋登辉, 王鑫, 李洪亮, 刘宁, 李晓, 胡志鹏, 王帅. 基于全流道冷却集热器的PVT系统热电性能研究[J]. 动力工程学报, 2026, 46(9): 111-118.
蒋登辉, 王鑫, 李洪亮, 刘宁, 李晓, 胡志鹏, 王帅. 基于全流道冷却集热器的PVT系统热电性能研究[J]. 动力工程学报, 2026, 46(9): 111-118. DOI： 10.19805/j.cnki.jcspe.2026.250370.

DOI： 10.19805/j.cnki.jcspe.2026.250370

摘要

开发了一种采用轻质铝合金并联全流道集热器的新型光伏光热一体化（PVT）系统，采用实验结合模拟仿真的方式，探究40%乙二醇溶液和3%Al2O3-水纳米流体在不同体积流量下PVT系统的热电性能及电池组件温度分布情况。结果表明：在相同体积流量下，40%乙二醇溶液的高于3%Al2O3-水纳米流体，但采用其作为冷却工质的PVT综合效率低于纳米流体；工质体积流量增加可减小电池组件温度场标准差，提高其温度分布均匀性；3%Al2O3-水纳米流体在电池组件温度均匀性方面优于40%乙二醇溶液，但由于其冷凝温度较高，应用区域受限。

Abstract

A novel photovoltaic-thermal (PVT) system adopting a lightweight aluminum alloy parallel full-channel collector was developed. Through a combination of experiments and simulations

the thermoelectric performance of the PVT system and the temperature distribution of the PV module were investigated using 40% ethylene glycol solution and 3% Al2O3-water nanofluidat at different volume flow rates. Results show that at the same volume flow rate

the exergy of the 40% ethylene glycol solution is higher than that of the 3% Al2O3-water nanofluid

but the overall PVT efficiency using it as the cooling working fluid is lower than that of the nanofluid. Increasing the volume flow rate of working fluid can reduce the standard deviation of the PV module's temperature field

thereby improving the uniformity of its temperature distribution. The 3% Al2O3-water nanofluid outperforms the 40% ethylene glycol solution in terms of the temperature uniformity of the PV module

but its application area is limited due to its higher condensation temperature.

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references

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