电磁轨道推进接触温度的特性研究

王振春 杨德功 张玉燕 战再吉

王振春, 杨德功, 张玉燕, 战再吉. 电磁轨道推进接触温度的特性研究[J]. 高压物理学报, 2018, 32(6): 065112. doi: 10.11858/gywlxb.20180548
引用本文: 王振春, 杨德功, 张玉燕, 战再吉. 电磁轨道推进接触温度的特性研究[J]. 高压物理学报, 2018, 32(6): 065112. doi: 10.11858/gywlxb.20180548
WANG Zhenchun, YANG Degong, ZHANG Yuyan, ZHAN Zaiji. Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 065112. doi: 10.11858/gywlxb.20180548
Citation: WANG Zhenchun, YANG Degong, ZHANG Yuyan, ZHAN Zaiji. Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 065112. doi: 10.11858/gywlxb.20180548

电磁轨道推进接触温度的特性研究

doi: 10.11858/gywlxb.20180548
基金项目: 

国家自然科学基金 61403333

详细信息
    作者简介:

    王振春(1979-), 男, 博士, 副研究员, 主要从事脉冲功率技术、复杂环境系统测控技术、极端条件滑动电接触技术等研究. E-mail:Zcwang@ysu.edu.cn

    通讯作者:

    张玉燕(1976-), 女, 博士, 教授, 主要从事光电检测、光纤传感等方面的研究. E-mail:yyzhang@ysu.edu.cn

  • 中图分类号: TM501

Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

  • 摘要: 在电磁轨道推进过程中,固体电枢和轨道接触面温度是衡量接触状态的重要指标之一,能够在一定程度上表征在电磁轨道推进过程中影响轨道推进性能和推进效率的轨道损伤程度。针对电磁轨道推进的电枢和轨道接触面温度特性,进行相关仿真分析与测量实验研究。根据电接触的基本理论,对电枢和轨道接触面的温度热源进行分析,建立温度模型,结合仿真研究,得出在几种热源作用下电枢和轨道接触面温度的变化情况。以电磁轨道推进装置为试验平台,采用基于红外辐射测温原理的测量系统,对电磁轨道推进装置电枢和轨道接触面温度进行测量,得出了几个典型位置的温度和典型加载电流下的温度数据。结果表明,测量温度在幅值上和趋势上与仿真模拟结果具有一致性。轨道损伤分析也反映了电枢和轨道接触面温度升高加速了轨道表面的烧蚀。

     

  • 图  电磁轨道推进装置等效电路

    Figure  1.  Equivalent circuit diagram of electromagnetic propulsion

    图  电磁轨道推进装置的Simulink仿真图

    Figure  2.  Simulink simulation of electromagnetic propulsion

    图  电枢和轨道接触面温度仿真曲线

    Figure  3.  Simulated contact temperature at the armature-rail interface

    图  温度测量系统结构图

    Figure  4.  Block diagram of temperature measurement system

    图  温度测量系统

    Figure  5.  Temperature measurement system

    图  实验中加载电流波形和温度数据

    Figure  6.  Loading currents and measured temperature in the experiments

    图  实验后轨道宏观形貌

    Figure  7.  Macro morphology of rail surface after experiments

    表  1  不同位置处多次测量的最高温度值

    Table  1.   Maximum temperature of different locations under multiple measurements

    Point Maximum temperature/K
    No.1 No.2 No.3 No.4 No.5
    1 1 171.2 1 216.0 1 193.6 1 204.8 1 193.6
    2 1 316.8 1 260.8 1 294.4 1 265.2 1 286.6
    3 1 323.2 1 378.4 1 365.8 1 382.4 1 392.6
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  • 收稿日期:  2018-04-25
  • 修回日期:  2018-06-22

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