• High Power Laser and Particle Beams
  • Vol. 32, Issue 3, 035003 (2020)
Min Xiong1, Yadong Zhang1, Yujia Gong2, and Hu Zhang2
Author Affiliations
  • 1School of Electrical and Automation Chemistry, Wuhan University, Wuhan 430072, China
  • 2China Electric Power Research Institute Co Ltd, Wuhan 430074, China
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    DOI: 10.11884/HPLPB202032.190300 Cite this Article
    Min Xiong, Yadong Zhang, Yujia Gong, Hu Zhang. Study on temperature rise of electromagnetic coil launcher[J]. High Power Laser and Particle Beams, 2020, 32(3): 035003 Copy Citation Text show less
    Lumped parameter model of class k synchronous induction coil transmitter
    Fig. 1. Lumped parameter model of class k synchronous induction coil transmitter
    single stage electromagnetic induction coil transmitter model and corresponding parameters
    Fig. 2. single stage electromagnetic induction coil transmitter model and corresponding parameters
    Temperature rise of coil and armature and armature speed curve
    Fig. 3. Temperature rise of coil and armature and armature speed curve
    Calculation results of motion field of coil launcher
    Fig. 4. Calculation results of motion field of coil launcher
    Single-stage coil emitter results (t= 0.016 s)
    Fig. 5. Single-stage coil emitter results (t= 0.016 s)
    Temperature variation of a specific unit over time
    Fig. 6. Temperature variation of a specific unit over time
    Test capacitor discharge circuit diagram
    Fig. 7. Test capacitor discharge circuit diagram
    Temperature acquisition section
    Fig. 8. Temperature acquisition section
    Layout of temperature sensors
    Fig. 9. Layout of temperature sensors
    Arrangements and photo of coil temperature sensors
    Fig. 10. Arrangements and photo of coil temperature sensors
    Pulse discharge waveforms
    Fig. 11. Pulse discharge waveforms
    Model temperature measurements
    Fig. 12. Model temperature measurements
    internal diameter/mmthickness/mmlength/mmturnsinternal diameter/mmlength/mmcapacitance/mFvoltage/V
    armaturecoilpower supply
    37.51010026606021 300
    Table 1. Electromagnetic induction coil launcher parameters
    methodcomsol multiphysical field simulationcurrent wire model method
    outlet velocity/(m·s-1) 8.2868.827
    maximum speed/(m·s-1) 8.5699.644
    maximum coil temperature/℃(t=0.016 s) 28.0328.29
    armature maximum temperature/℃(t=0.016 s) 24.1024.23
    maximum coil temperature/℃(whole process)28.0528.29
    armature maximum temperature/℃(whole process)25.4124.23
    Table 2. Comparison of single stage electromagnetic induction coil transmitter results
    test temperature/℃simulation temperature/℃error/%
    armature tail outer side13.8513.9260.55
    inside armature tail13.7813.860.58
    1 cm from armature tail13.9113.9470.27
    coil wire17.2518.386.1
    Table 3. Single pulse discharge test results of single-stage induction coil transmitter (t=100 s)
    Min Xiong, Yadong Zhang, Yujia Gong, Hu Zhang. Study on temperature rise of electromagnetic coil launcher[J]. High Power Laser and Particle Beams, 2020, 32(3): 035003
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