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Volume 32 Issue 6
Dec 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(6): 065112.
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
shu

Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

doi: 10.11858/gywlxb.20180548
  • 1.

    School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China

  • 2.

    Key Laboratory of Industrial Computer Control Engineering of Hebei Province, Qinhuangdao 066004, China

  • 3.

    Key Laboratory of Measurement Technology and Instrumentation of Hebei Province, Qinhuangdao 066004, China

  • Received Date: 25 Apr 2018
  • Rev Recd Date: 22 Jun 2018
    Abstract
  • In the process of electromagnetic rail propulsion, the contact area temperature between armature and rails is one of the important indicators to measure contact state, which can characterize the degree of rail damage to some extent and affect the launch efficiency.Corresponding simulation analysis and measurement experiment of temperature characteristics are carried out.Based on the theory of electrical contact, the model is developed to analyze heat sources of the contact area and the influences on surface temperature.The change of temperature under different heat sources is obtained by simulation.Taking the electromagnetic rail propulsion device as the test platform, the temperature measurement experiment is carried out by using the measurement system based on infrared radiation.The temperatures of several typical positions under typical loading current are obtained.The results show that the measured temperature is consistent with the simulation results in amplitude and trend.Further analysis of the rail damage test can reflect that the increase of contact surface temperature accelerates the ablation of rail surface.

     

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