Effect of AEO-9 Surfactant on Start-up and Heat Transfer Performance of Pulsating Heat Pipe

Dong Junbiao; Yao Ye; Liu Shiqing

doi:10.3969/j.issn.0253-4339.2021.06.077

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Effect of AEO-9 Surfactant on Start-up and Heat Transfer Performance of Pulsating Heat Pipe

更新时间：2024-07-18

- Effect of AEO-9 Surfactant on Start-up and Heat Transfer Performance of Pulsating Heat Pipe
- Journal of Refrigeration Vol. 42, Issue 6, (2021)
- 作者机构：
  
  1. 上海交通大学制冷与低温工程研究所
  2. 浙江师范大学物理与电子信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2021.06.077
  CLC：
- Published：2021
- 稿件说明：
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Dong Junbiao, Yao Ye, Liu Shiqing. Effect of AEO-9 Surfactant on Start-up and Heat Transfer Performance of Pulsating Heat Pipe[J]. Journal of refrigeration, 2021, 42(6).
DOI：

Dong Junbiao, Yao Ye, Liu Shiqing. Effect of AEO-9 Surfactant on Start-up and Heat Transfer Performance of Pulsating Heat Pipe[J]. Journal of refrigeration, 2021, 42(6). DOI： 10.3969/j.issn.0253-4339.2021.06.077.

摘要

本文针对脂肪醇聚氧乙烯醚（AEO-9）非离子表面活性剂，在加热功率为40、60、80、100、120 W，AEO-9质量分数为10、20、30、40 mg/kg工况下，测试了脉动热管的启动时间、热阻和蒸发段温度波动，并与去离子水进行对比。结果表明：AEO-9可以缩短启动时间，启动时间随AEO-9质量分数的增大先减小后增大，在加热功率为40 W、质量分数为20 mg/kg时启动时间最多缩短了29.2%；AEO-9可以减小热阻，加热功率较小时（≤60 W），热阻随AEO-9质量分数的增大而增大；加热功率较大时（≥100 W），热阻随AEO-9质量分数的增大而减小；在加热功率为40 W、质量分数为10 mg/kg时热阻最多减小了35.8%；AEO-9可以减小蒸发段温度波动，且质量分数越高波动越小，在加热功率为120 W、质量分数为40 mg/kg时温度波动幅度最多减小了68.4%。

Abstract

In this study

the start-up time

thermal resistance

and evaporation temperature fluctuation of a pulsating heat pipe were experimentally studied based on the influence of alcohol polyoxyethylene ether nonionic surfactant (AEO-9). The experimental conditions included heating powers of 40 W

60 W

80 W

100 W

and 120 W and AEO-9 mass concentrations of 10 mg/kg

20 mg/kg

30 mg/kg

and 40 mg/kg. The results indicate that AEO-9 can reduce the start-up time compared with deionized water; the start-up time first decreases and then increases as the AEO-9 mass concentration increases. When the heating power is 40 W and the AEO-9 mass concentration is 20 mg/kg

the start-up time is reduced by a maximum of 29.2%. AEO-9 can also reduce the thermal resistance. At a low heating power (≤60 W)

the thermal resistance increases as the AEO-9 mass concentration increases. At a high heating power (≥100 W)

the thermal resistance decreases as the AEO-9 mass concentration increases. When the heating power is 40 W and the AEO-9 mass concentration is 10 mg/kg

the thermal resistance is reduced by a maximum of 35.8%. AEO-9 can reduce the evaporation temperature fluctuation

and the fluctuation amplitude decreases as the AEO-9 concentration increases. When the heating power is 120 W and the AEO-9 mass concentration is 40 mg/kg

the temperature fluctuation amplitude is reduced by a maximum of 68.4%.

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Related Institution

Beijing Engineering Research Center of Sustainable Energy and Buildings, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture

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