外加振荡源对闭环脉动热管传热性能影响的实验研究

doi:10.16411/j.cnki.issn1006-7736.2025.03.009

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大连海事大学学报 ›› 2025, Vol. 51 ›› Issue (3) : 85-95. DOI: 10.16411/j.cnki.issn1006-7736.2025.03.009

外加振荡源对闭环脉动热管传热性能影响的实验研究

赵楠楠^*，邹猛，杜恒旭，董博文

作者信息 +

Experimental study on the effect of external oscillation source on the heat transfer performance of closed loop oscillating heat pipe

ZHAO Nannan^*，ZOU Meng，DU Hengxu，DONG Bowen

Author information +

文章历史 +

摘要

以去离子水（充液率70%）作为工质，采用对比实验研究方法探究外加振荡源对闭环脉动热管传热性能的影响。首先，对无外加振荡源的闭环脉动热管的传热性能进行研究；然后，将加热功率分别固定在25 W及100 W，研究外加振荡源的振荡周期及幅度对闭环脉动热管传热性能的影响，并将两者的实验结果进行对比分析。结果表明：当加热功率分别为25W和100W时，外加振荡源可以提高闭环脉动热管的传热性能。在热阻方面，外加振荡源较无外加振荡源，闭环脉动热管的热阻更小，热阻最大降幅分别为68.5%和48.1%；在加热段与冷凝段的温差方面，外加振荡源较无外加振荡源，闭环脉动热管的温差更低，温差最大降幅分别为67.5%和47.9%；在绝热段平均温度方面，外加振荡源较无外加振荡源，闭环脉动热管的温度更低，绝热段平均温度的最大降幅分别为35.8%和31.0%；在启动性能方面，外加振荡源比无外加振荡源，闭环脉动热管的启动时间更短，蒸发段的温度波动也更小。

Abstract

Using deionized water (70% liquid filling rate) as the working fluid, a comparative experimental study was conducted to investigate the effect of external oscillation sources on the heat transfer performance of closed-loop oscillating heat pipes.Firstly, the heat transfer performance of closed loop oscillating heat without external oscillation source was studied; Then the heating power was fixed at 25 W and 100 W respectively, and the effect of the oscillation period and amplitude of the external oscillation source on the heat transfer performance of the closed-loop oscillating heat pipe was studied,while the experimental results of the above two methods are compared and analyzed. The results show that, when the heating power is 25 W and 100 W,respectively, the external oscillation source can improve the heat transfer performance of the closed loop oscillating heat pipe. In terms of thermal resistance, the thermal resistance of the closed loop oscillating heat pipe with external oscillation source is smaller than that without external oscillation source, and the maximum reduction of thermal resistance is 68.5% and 48.1%, respectively.In terms of the temperature difference between the heating section and the condensing section, the temperature difference of the closed loop oscillating heat pipe with external oscillation source is lower than that without external oscillation source, and the maximum reduction of the temperature difference is 67.5% and 47.9%, respectively.In terms of the average temperature of the adiabatic section, the temperature of the closed loop oscillating heat pipe with external oscillation source is lower than that without external oscillation source, and the maximum decrease of the average temperature of the adiabatic section is 35.8% and 31.0%, respectively.In terms of start-up performance, the start-up time of the closed loop oscillating heat pipe with external oscillation source is shorter than that without external oscillation source, and the temperature fluctuation in the evaporation section is smaller.

导出引用

赵楠楠, 邹猛, 杜恒旭, 董博文. 外加振荡源对闭环脉动热管传热性能影响的实验研究[J]. 大连海事大学学报. 2025, 51(3): 85-95 https://doi.org/10.16411/j.cnki.issn1006-7736.2025.03.009

ZHAO Nannan, ZOU Meng, DU Hengxu, DONG Bowen.

Experimental study on the effect of external oscillation source on the heat transfer performance of closed loop oscillating heat pipe

[J]. Journal of Dalian Maritime University. 2025, 51(3): 85-95 https://doi.org/10.16411/j.cnki.issn1006-7736.2025.03.009

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