Effect of cooling water parameters on heat transfer performance of sodium-potassium alloy heat pipe

ZHANG Hongzhe; JIA Xianjian; GUO Hang; GUO Qing; YAN Xiaoke; YE Fang; MA Chongfang

doi:10.11949/j.issn.0438-1157.20170631

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Effect of cooling water parameters on heat transfer performance of sodium-potassium alloy heat pipe

更新时间：2025-12-10

- Effect of cooling water parameters on heat transfer performance of sodium-potassium alloy heat pipe
- CIESC Journal Issue S1, Pages: 105-110(2017)
- 作者机构：
  
  1. 北京工业大学环境与能源工程学院, 传热强化与过程节能教育部重点实验室, 传热与能源利用北京市重点实验室,北京,100124
  2. 中国计量科学研究院,北京,100013
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170631
  CLC： K172.4
- Online First：31 August 2017，
  
  Published：31 August 2017
- 稿件说明：
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ZHANG Hongzhe, JIA Xianjian, GUO Hang, et al. Effect of cooling water parameters on heat transfer performance of sodium-potassium alloy heat pipe[J]. CIESC Journal, 2017, (S1): 105-110.
DOI：

ZHANG Hongzhe, JIA Xianjian, GUO Hang, et al. Effect of cooling water parameters on heat transfer performance of sodium-potassium alloy heat pipe[J]. CIESC Journal, 2017, (S1): 105-110. DOI： 10.11949/j.issn.0438-1157.20170631.

摘要

冷却水参数对钠钾合金热管传热性能有重要影响，通过改变不同冷却水流量和冷却水温度，研究了冷却水参数对钠钾合金热管传热性能的影响规律。实验结果表明，钠钾合金热管运行于较低冷却水流量（4~18 ml·s-1）的冷却条件时，流量对热管冷凝段外壁面的温度影响很大，而当热管运行于较高冷却水流量的冷却条件时，冷却水流量对热管外壁面温度影响较小。整体而言，增大冷却水流量可以有效地提高钠钾合金热管的传热量及其传热性能。当热管运行于较大冷却水流量的冷却条件时，冷却水温度的变化对热管传热性能影响较小。

Abstract

The parameter of cooling water has an important effect on heat transfer performance of sodium-potassium alloy thermosiphon (gravity-driven heat pipe). In this study

the effect of cooling water flow rate and temperature on heat transfer performance of a sodium-potassium alloy heat pipe was experimentally studied. The results show that the flow rate of the cooling water presents a significant impact on the outside wall temperature distribution of the heat pipe when it operates under a relative lower flow rates conditions of 4-18 ml·s-1. But

no further influence of the flow rate is envisioned when the flow rate of the cooling water is more than 18 ml·s-1. Totally

improvement of the flow rate is beneficial for enhancement of the heat transfer performance of the heat pipe. On the other hand

the temperature of cooling water shows very small impact on the outside wall temperature and heat transfer performance of the sodium-potassium alloy heat pipe.

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