Characteristics of evaporative surface of micro wick structures in heat pipes

CHEN Qiang; HUANG Yonghua

doi:10.3969/j.issn.0438-1157.2014.z1.001

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Characteristics of evaporative surface of micro wick structures in heat pipes

更新时间：2025-12-10

- Characteristics of evaporative surface of micro wick structures in heat pipes
- CIESC Journal Issue S1, Pages: 1-4(2014)
- 作者机构：
  
  上海交通大学制冷与低温工程研究所,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.z1.001
  CLC： K172.4
- Online First：30 May 2014，
  
  Published：30 May 2014
- 稿件说明：
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CHEN Qiang, HUANG Yonghua. Characteristics of evaporative surface of micro wick structures in heat pipes[J]. CIESC Journal, 2014, (S1): 1-4.
DOI：

CHEN Qiang, HUANG Yonghua. Characteristics of evaporative surface of micro wick structures in heat pipes[J]. CIESC Journal, 2014, (S1): 1-4. DOI： 10.3969/j.issn.0438-1157.2014.z1.001.

摘要

采用表面张力理论和曲面离散化方法对热管吸液芯微细孔槽结构中的蒸发液面进行了三维数值模拟，将因润湿产生的弯曲液面用三角形网格进行离散，以能量最小化为原则，通过移动节点的位置来确定液面的热力学平衡态位置。揭示了两种基本模型在不同几何参数以及不同固液接触角等因素下，毛细力、总蒸发面积、薄膜区域等主要的吸液芯特性参数的变化规律。

Abstract

Three-dimensional numerical simulation on the evaporative surface of the micro wick structures in heat pipes was conducted using interfacial tension theory and surface discrete method. The micro menisci caused by wetting were discretized with triangle-based mesh. Following the principle of minimizing free energy

the thermodynamic equilibrium status was then determined by moving mesh nodes. The behaviors of capillary force

total evaporation area

and thin-film area

etc. were studied systematically with different geometric parameters and contact angles.

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