Research on Performance Optimization of Running Air-cooled Heat Pipe Radiator Based on Temperature Equalization Technology

Zhiyong WU; Xiong WANG; Nan HUANG; Guomeng SONG; Hongfeng WANG; Mingyi CHEN; Jie ZOU

doi:10.13890/j.issn.1000-128x.2021.01.023

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Research on Performance Optimization of Running Air-cooled Heat Pipe Radiator Based on Temperature Equalization Technology

High-power Devices | 更新时间：2021-12-09

- Research on Performance Optimization of Running Air-cooled Heat Pipe Radiator Based on Temperature Equalization Technology
- Electric Drive for Locomotives Issue 1, Pages: 126-132(2021)
- 作者机构：
  
  1.中车株洲电力机车研究所有限公司，湖南　株洲　412001
  2.株洲中车时代电气股份有限公司，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2021.01.023
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Zhiyong WU, Xiong WANG, Nan HUANG, et al. Research on Performance Optimization of Running Air-cooled Heat Pipe Radiator Based on Temperature Equalization Technology. [J]. Electric Drive for Locomotives (1):126-132(2021)
DOI：

Zhiyong WU, Xiong WANG, Nan HUANG, et al. Research on Performance Optimization of Running Air-cooled Heat Pipe Radiator Based on Temperature Equalization Technology. [J]. Electric Drive for Locomotives (1):126-132(2021) DOI： 10.13890/j.issn.1000-128x.2021.01.023.

摘要

针对传统地铁走行风冷直管热管散热器在地铁低速运行时存在过热风险较高的现状，提出了一种可有效解决这一问题的新型热管散热器。基于均温技术，应用数值仿真和试验测试的研究方法，采用“L型”热管和均温管在原有直管热管散热器基础上进行优化，并在某地铁线上进行现场试验验证。试验结果表明，采用了“L型热管+均温管”的散热器成功解决了传统地铁走行风冷直管热管散热器在地铁低速运行时过热问题，可适应各种工况，在确保安全稳定运行的同时，减重增效非常显著。

Abstract

In view of the high risk of overheat for traditional air-cooled straight pipe heat pipe radiators in the low-speed operation of subway, a new type of heat pipe radiator that can effectively solve the problem above was proposed. Based on the temperature equalization technology, the application of numerical simulation and experimental testing methods, L-shaped heat pipes and temperature equalization pipes was used to achieve optimization on the basis of the original straight heat pipe radiator, and fi eld test veri fi cation was conducted on the subway line. The results showed that the application of L-shaped heat pipe radiator with equalizing temperature tube can effectively solve the problem of overheating in low-speed operation, which can be adapted to all working conditions, ensure the weight reduction and ef fi ciency increase on the premise of safety

关键词

地铁热管散热器均温性数值仿真IGBT温升城市轨道交通

Keywords

subwayheat pipe radiatortemperature uniformitynumerical simulationIGBTtemperature riseurban rail transit

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