Yingdong Che, Weikang Zhao, Zhizeng Wang, Wen Tian, Youjun Kong, Weiqun Yuan, Ping Yan. Influence of armature-rail contact surface morphology on starting characteristics of armature[J]. High Power Laser and Particle Beams, 2020, 32(5): 055003
- High Power Laser and Particle Beams
- Vol. 32, Issue 5, 055003 (2020)
Fig. 1. Experimental platform
Fig. 2. Three structures of armature
Fig. 3. Typical driver current and contact resistance
Fig. 4. Judging armature startup
Fig. 5. State of the rail after the experiments, the circles represent the starting positions, the arrows represent the directions of motion
Fig. 6. Calculation model of the pre-tightening force
Fig. 7. Schematic diagram of the simulation model
Fig. 8. Current density at t ＝0.17 ms
Fig. 9. Force condition of armature
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Table 1. Startup time of armature
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Table 2. Main parameters of material for simulation
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Table 3. Calculation results
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