Simulation of loop heat pipe start-up characteristic

HUANG Jie; WANG Naihua; CHENG Lin

doi:10.3969/j.issn.0438-1157.2014.z1.048

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Simulation of loop heat pipe start-up characteristic

更新时间：2025-12-10

- Simulation of loop heat pipe start-up characteristic
- CIESC Journal Issue S1, Pages: 297-302(2014)
- 作者机构：
  
  山东大学热科学与工程研究中心,山东,济南,250061
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.z1.048
  CLC： 245.3+43
- Online First：30 May 2014，
  
  Published：30 May 2014
- 稿件说明：
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HUANG Jie, WANG Naihua, CHENG Lin. Simulation of loop heat pipe start-up characteristic[J]. CIESC Journal, 2014, (S1): 297-302.
DOI：

HUANG Jie, WANG Naihua, CHENG Lin. Simulation of loop heat pipe start-up characteristic[J]. CIESC Journal, 2014, (S1): 297-302. DOI： 10.3969/j.issn.0438-1157.2014.z1.048.

摘要

对阿尔法磁谱仪（AMS-02）低温冷却器环路热管的启动特性进行了数值模拟研究。结果表明热负荷高利于环路热管的启动。某些结构或者装配的差别产生的接触热阻造成两侧并联的环路热管热量分配不均，从而低负荷时导致一侧环路热管无法启动。主副毛细芯的结构有利于建立热管启动的过热度。

Abstract

Two loop heat pipes (LHP) with parallel connection are used to cool the condenser of Alpha Magnetic Spectrometer 02(AMS-02).However

a series of factors lead to only one of LHPs primarily setting up and the other one failing to set up. The article established three-dimensional model of the LHP evaporator

used FLUENT to simulate its start-up temperature field. It is concluded that higher heat load facilitate start-up. Contact thermal resistance produced by structure or equipment difference can cause failure start-up. Finally

wick with primary and second wicks is better for start-up than wick of one single material.

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