Liang-Wen Qi, Chong-Xiao Zhao, Hui-Jie Yan, Ting-Ting Wang, Chun-Sheng Ren. Motion characteristics of coaxial gun discharge plasma current sheet [J]. Acta Physica Sinica, 2019, 68(3): 035203-1
- Acta Physica Sinica
- Vol. 68, Issue 3, 035203-1 (2019)
Fig. 1. Schematic of experimental setup and diagnosis measurement.实验装置与测量原理图
Fig. 2. Waveforms of voltage, current and magnetic field on discharge condition that the charge voltage of capacitor is 4 kV, and the Ar gas pressure is 10 Pa.电容器充电电压4 kV、氩气气压10 Pa的放电条件下电压、电流及磁场波形
Fig. 3. Waveforms of voltage, current and photocurrent of the plasma when it jets 25 and 125 mm from the gun nozzle.等离子体在喷出枪口25和125 mm处电压、电流及光电流波形
Fig. 4. Oscillogram of the voltage, current and magnetic probe signals recorded at Z = 100 mm on condition that the discharge current is 69.8 kV, and the Ar gas pressure is 10 Pa.
放电电流69.8 kA、气压为10 Pa条件下电压、电流及磁场波形
Fig. 5. Waveforms of voltage, current, magnetic field and photocurrent for coaxial gun discharge at the pressure 10 Pa with different voltage (a) 3.5, (b) 4, (c) 6, (d) 7 kV.同轴枪在气压为10 Pa, 电压分别为(a) 3.5, (b) 4, (c) 6, (d) 7 kV放电条件下的电压、电流、磁场及光电流波形
Fig. 6. Theoretical and experimental velocity of the plasma versus current at a pressure of 10 Pa.气压为10 Pa时不同放电电流下等离子体理论速度与实验速度对比
Fig. 7. Photographs for coaxial gun discharge with the pressure of 10 Pa at different current I = 39.2, 69.8 kA.
同轴枪在气压10 Pa、电流I = 39.2和69.8 kA条件下的放电照片
Fig. 8. Waveforms of voltage, current, magnetic field and photocurrent for coaxial gun discharge at the current 49.8 kA with different pressure (a) 5, (b) 10, (c) 25, (d) 40 Pa.同轴枪在电流49.8 kA, 气压分别为(a) 5, (b) 10, (c) 25, (d) 40 Pa放电条件下的电压、电流、磁场及光电流波形
Fig. 9. Theoretical and experimental velocity of the plasma versus pressure at the discharge current of 49.8 kA.电流为49.8 kA, 不同气压下等离子体理论速度与实验速度对比
Fig. 10. Photographs for coaxial gun discharge with the current of 39.2 kA at different pressures P = 10, 30 Pa.
同轴枪在电流39.2 kA、气压P = 10和30 Pa条件下的放电照片
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