Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

WANG Zhenchun; YANG Degong; ZHANG Yuyan; ZHAN Zaiji

doi:10.11858/gywlxb.20180548

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

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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

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Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

doi: 10.11858/gywlxb.20180548

WANG Zhenchun^{1, 2
,},
YANG Degong^{1, 3},
ZHANG Yuyan^{1, 3,*
,
,},
ZHAN Zaiji^{1, 2}

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

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.
- electromagnetic rail propulsion,
- contact area temperature,
- infrared radiation temperature measurement,
- injury of the rail

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References

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Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

doi: 10.11858/gywlxb.20180548

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Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

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