Comparison of electrical wire explosion characteristics of single wire and wire array in air

Chen Li; Ruo-Yu Han; Yi Liu; Chen-Yang Zhang; Ji-Ting Ouyang; Wei-Dong Ding

doi:10.7498/aps.69.20191797

Journals >Acta Physica Sinica >Volume 69 >Issue 7 >Page 075203-1 > Article

Acta Physica Sinica
Vol. 69, Issue 7, 075203-1 (2020)

Comparison of electrical wire explosion characteristics of single wire and wire array in air

Chen Li¹, Ruo-Yu Han^1、*, Yi Liu², Chen-Yang Zhang¹, Ji-Ting Ouyang¹, and Wei-Dong Ding³

Author Affiliations

¹School of Physics, Beijing Institute of Technology, Beijing 10081, China

²State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

³State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China

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DOI: 10.7498/aps.69.20191797 Cite this Article

Chen Li, Ruo-Yu Han, Yi Liu, Chen-Yang Zhang, Ji-Ting Ouyang, Wei-Dong Ding. Comparison of electrical wire explosion characteristics of single wire and wire array in air[J]. Acta Physica Sinica, 2020, 69(7): 075203-1 Copy Citation Text

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Fig. 1. Experimentalsetup: (a) Circuit diagram; (b) wirearrayload.

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Fig. 2. Parameters and stages of explosive discharge of wire.

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Fig. 3. Parameter variation of copper single wire with time varying under different mass (diameter): (a) Voltage; (b) electric current; (c) power; (d) deposited energy; (e) resistance.

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Fig. 4. Parameter variation of copper wire array with time varying under different mass (number of wires): (a) Voltage; (b) electric current; (c) power; (d) deposited energy; (e) resistance.

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Fig. 5. Waveforms of current and light radiation of copper single wire and wire array: (a) Copper singlewire with 200 μm diameter; (b) copper wire array with 4 wires.

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Fig. 6. Light radiationvariation of copper single wire and wire array under different mass: (a) Copper single wire load; (b) copper wire array load

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Fig. 7. Acquisition process of light radiation.

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Fig. 8. Parameter comparison of copper single wire and wire array with the same mass: (a) Voltage; (b) electric current; (c) power; (d) light radiation; (e) resistance.

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Fig. 9. Deposited energy of copper single wire and wire array with mass varying: (a) Deposited energy before voltage collapse; (b) deposited energy before the current first crosses zero.

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参数种类	铜单丝直径/μm
参数种类	50	100	150	200	300	400
电压峰值/kV	46.2 ± 2.7	42.1 ± 1.5	31.7 ± 1.9	28.9 ± 0.7	24.1 ± 1.1	7.1 ± 0.4
电压峰值出现时间/μs	0.26 ± 0.01	0.77 ± 0.06	1.30 ± 0.03	1.93 ± 0.02	3.40 ± 0.04	6.45 ± 0.04
电压峰半高宽/μs	0.07 ± 0.01	0.12 ± 0.01	0.14 ± 0.01	0.17 ± 0.01	0.28 ± 0.01	0.64 ± 0.02
电压峰前沉积能量/J	2.7 ± 0.2	13.9 ± 0.5	34.7 ± 2.3	61.6 ± 3.4	115.8 ± 4.1	123.8 ± 5.8
电流第一个过零点前沉积能量/J	40.2 ± 1.4	70.3 ± 3.3	118.6 ± 4.9	159.2 ± 5.1	217.5 ± 8.4	138.9 ± 4.6
初始电阻/mΩ	178.3	44.6	19.8	11.1	4.9	2.8
开始气化所需能量/J	0.5	2.0	4.5	8.0	18.0	32.2
完全气化所需能量/J	2.2	8.6	19.4	34.5	77.2	137.9

Table 1.

Parameter comparison of copper single wire under different mass(diameter).

铜单丝不同质量(直径)下的参数比较

参数种类	铜丝阵根数/根
参数种类	2	4	6	8	9	10	12	14	16
电压峰值/kV	41.3±2.6	34.2±1.2	32.7±1.1	32.6±0.6	28.3±1.0	22.8±0.8	21.1±1.1	21.2±0.4	7.9±0.2
电压峰值出现时间/μs	1.06±0.01	1.61±0.05	2.20±0.01	2.72±0.08	2.96±0.08	3.20±0.04	3.84±0.02	4.32±0.21	5.01±0.36
电压峰半高宽/μs	0.10±0.01	0.09±0.02	0.11±0.01	0.11±0.008	0.11±0.01	0.12±0.009	0.11±0.01	0.12±0.01	0.27±0.03
电压峰前沉积能量/J	24.2±1.6	39.1±2.7	58.9±1.7	72.9±6.5	83.6±1.5	82.3±3.6	86.7±2.0	97.7±3.6	95.3±3.3
电流第一个过零点前沉积能量/J	89.2±3.6	122.1±4.2	142.3±3.3	150.5±9.1	152.0±7.3	155.7±3.5	151.5±5.6	148.2±6.2	130.0±5.7
初始电阻/mΩ	22.3	11.1	7.4	5.6	4.9	4.5	3.7	3.2	2.8
开始气化所需能量/J	4.0	8.0	12.0	16.0	18.0	20.0	24.0	28.0	32.0
完全气化所需能量/J	17.2	34.4	51.6	68.8	77.4	86.0	103.2	120.4	137.6

Table 2.

Parameter comparison of copper wire array under different mass (number of wires).

铜丝阵不同质量(根数)下的参数比较

参数种类	5.59 mg		12.51 mg		22.35 mg
参数种类	200 μm单丝	丝阵4根	300 μm单丝	丝阵9根	400 μm单丝	丝阵16根
电压崩前沉积能量/J	61.6 ± 3.4	39.1 ± 2.7	115.8 ± 4.1	83.6 ± 1.5	123.8 ± 5.8	95.3 ± 3.3
电压崩前每个原子沉积能量/ eV·atom	7.2 ± 0.4	4.6 ± 0.3	6.0 ± 0.2	4.4 ± 0.1	3.6 ± 0.2	2.8 ± 0.1
电流第一个过零点前沉积能量/J	159.2 ± 5.1	122.1 ± 4.2	217.5 ± 8.4	152.0 ± 7.3	138.9 ± 4.6	130.0 ± 5.7
电流第一个过零点前每个原子沉积能量/eV·atom^–1	18.7 ± 0.6	14.3 ± 0.5	11.2 ± 0.4	7.9 ± 0.4	4.1 ± 0.1	3.8 ± 0.2

Table 3.

The value of deposited energy of copper single wire and wire array with the same mass.

质量相同时单丝负载与丝阵负载沉积能量数值表

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