菲涅尔聚光的太阳能脉动热管集热器性能实验研究

李晓琳; 吴海峰; 徐荣吉; 王瑞祥; 赵远强

doi:doi:10.19912/j.0254-0096.tynxb.2024-1200

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菲涅尔聚光的太阳能脉动热管集热器性能实验研究

更新时间：2025-12-10

- 菲涅尔聚光的太阳能脉动热管集热器性能实验研究
- Issue 11, Pages: 405-411(2025)
- 作者机构：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-1200
  CLC： K513
- Published Online：04 December 2025，
  
  Published：04 December 2025
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李晓琳, 吴海峰, 徐荣吉, et al. 菲涅尔聚光的太阳能脉动热管集热器性能实验研究[J]. 2025, (11): 405-411.
DOI：

李晓琳, 吴海峰, 徐荣吉, et al. 菲涅尔聚光的太阳能脉动热管集热器性能实验研究[J]. 2025, (11): 405-411. DOI： doi:10.19912/j.0254-0096.tynxb.2024-1200.

摘要

为提高建筑太阳能利用效率

提出一种基于菲涅尔聚光的太阳能脉动热管集热器

并以碳纳米管掺杂的金属纳米流体为传热介质

实验测试了该装置的运行性能。对比研究发现

掺杂后的金属纳米流体表现出较好的吸光特性

且浓度越大吸光性能越好;在测试时段

集热器蒸发段流体的最高集热温度为119.5 ℃

当浓度0.015‰时装置的平均光热转换率最高（69.4%）

比氢氟醚提高了48.5%;适当降低脉动热管的充液率有利于太阳能转化效率的提升。

Abstract

In order to improve the efficiency of solar energy utilization in buildings

a solar pulsating heat pipe collector based on Fresnel concentrator is proposed

and the operation performance of the device is experimentally tested by using carbon nanotube-doped metal nanofluid as the heat transfer medium. Comparative studies show that the doped metal nanofluids exhibit better light-absorbing properties

and the higher the concentration

the better the light-absorbing properties. During the test period

the maximum temperature in the evaporation section of the collector was 119.5 ℃

and the average photothermal conversion rate of the device was the highest （69.4%） when the concentration was 0.015‰

which was 48.5% higher than that of hydrofluoroether. Appropriately reducing the liquid filling ratio of pulsating heat pipes is conducive to the improvement of solar energy conversion efficiency.

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references

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