Experiment of carbon nanotube suspension on the thermal performance of a miniature flat heat pipe evaporator with micro-grooved surface

ZHAO Jie; XIONG Jian-guo; LIU Zhen-hua

Chinese

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Experiment of carbon nanotube suspension on the thermal performance of a miniature flat heat pipe evaporator with micro-grooved surface

更新时间：2026-07-07

- Experiment of carbon nanotube suspension on the thermal performance of a miniature flat heat pipe evaporator with micro-grooved surface
- Vol. 23, Issue 8, (2008)
- 作者机构：
  
  上海交通大学机械工程与动力学院,上海,200240
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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ZHAO Jie, XIONG Jian-guo, LIU Zhen-hua. Experiment of carbon nanotube suspension on the thermal performance of a miniature flat heat pipe evaporator with micro-grooved surface[J]. 2008, 23(8).
DOI：

ZHAO Jie, XIONG Jian-guo, LIU Zhen-hua. Experiment of carbon nanotube suspension on the thermal performance of a miniature flat heat pipe evaporator with micro-grooved surface[J]. 2008, 23(8). DOI：

摘要

以带有微槽道强化传热面的小型重力型平板热管蒸发器为研究对象

以水-多壁碳纳米管(CNT)组成的纳米悬浮液为工质

在不同运行压力和不同悬浮液质量浓度下对热管蒸发器的沸腾换热特性以及临界热通量(CHF)进行了实验研究.研究证明:以水-多壁碳纳米管组成的纳米悬浮液可以明显地强化重力型平板热管蒸发器的换热特性.沸腾换热系数强化率和CHF强化率随压力降低而大幅度增加.悬浮液质量浓度对沸腾换热系数和CHF也有重要影响

在低质量浓度时

沸腾换热系数和CHF随质量浓度增加而缓慢增加.但是在质量浓度超过2.0%时

质量浓度的影响基本消失.

Abstract

Based on miniature flat heat pipe(MFHP) with the micro-grooved surface

an experimental study was performed to understand the boiling characteristics and critical heat flux(CHF) of carbon nanotube(CNT) suspensions at different pressures and CNTmass concentrations.The experimental results indicate that

the concentration of CNTsuspensions could enhance significantly the boiling heat transfer characteristics of flat heat pipe evaporator

and the heat transfer enhancement of CNTsuspensions and CHFenhancement greatly increases with the decline of the test pressure.The concentration of suspensions has great influence on the boiling coefficient and CHF.At the lower concentration

boiling coefficient and CHFwill grow slowly with the increase of concentration.But

if the concentration exceeds 2%

the influence of concentration will disappear.

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