非规则截面散热板内嵌热管的传热能力分析

山东大学学报(工学版)

非规则截面散热板内嵌热管的传热能力分析

曲燕¹, 程林², 栾涛²

1. 中国石油大学(华东)机电学院化工装备与控制工程系，山东东营 257061；
2. 山东大学热科学与工程研究中心, 山东济南 250061

收稿日期:2007-08-27 修回日期:1900-01-01 出版日期:2008-10-16 发布日期:2008-10-16
通讯作者: 曲燕

Transport capacity analysis for special cross section heat pipes in radiators

QU Yan^１, CHENG Lin^２, LUAN Tao^２

1.Department of Chemical Equipment and Control Engineering, College of Electromechanical Engineering, China University of Petroleum,
Dongying 257061, Cina; 2. Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China

Received:2007-08-27 Revised:1900-01-01 Online:2008-10-16 Published:2008-10-16
Contact: QU Yan

摘要/Abstract

摘要： 对一种空间实验装置中电子箱热控制系统的关键热控元件——散热板内嵌热管的传热能力进行了热分析计算.采用热容热阻网络法,建立了非规则截面槽道热管的传热模型,在传热网络分析的基础上,以热管No.21和热管No.22为例,选取空间实验装置在最热工况下稳定运行和最冷工况下从启动到稳定运行两种实验边界条件,计算了热管的传热能力,并与西班牙IberEspacio热管公司提供的传热极限数据进行了比较.结果表明,全部内嵌热管都能在传热极限范围内可靠运行,其中最热工况和最冷工况下热管的最大传热能力分别为工作温度41.7℃时的74.9W·m和-9.3℃时的69.6W·m.

关键词: 热管, 传热能力, 散热板

Abstract: To secure the reliability of a thermal control system for an electronics system of a space experiment system, a thermal analysis of heat transport capacity was performed for the embedded heat pipes, which are the key thermal control devices for a wake radiator. A heat pipe thermal model was created based on the non-regular cross section applying the method of thermal capacitor-resistor network. After clarifying the thermal network of the heat pipe, No.21 and No.22 heat pipes served as examples to illustrate the thermal analysis of heat transport capacity in two orbital thermal boundary conditions, that is, the nominal operation condition at the worst hot case and the process from start-up to nominal operation at the worst cold case. The analysis results were finally compared with the heat pipe transport limit data provided by the Spanish heat pipe company IberEspacio. Results show that all the embedded wake radiator heat pipes can work reliably within their respective transport limit. The maximum heat pipe transport capacities at a worst cold and the worst hot cases are 74.9WM at the working temperature of 41.3℃ and 69.6WM at -9.3℃.

Key words: heat pipe, transport capacity, radiator

中图分类号:

TK172.4

曲燕,程林,栾涛 . 非规则截面散热板内嵌热管的传热能力分析[J]. 山东大学学报(工学版), 2008, 38(5): 42-45 .

QU Yan,CHENG Lin,LUAN Tao . Transport capacity analysis for special cross section heat pipes in radiators[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2008, 38(5): 42-45 .

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