Two-dimensional simulation of dynamic characteristics of N2–O2 corona discharge at micro scale

Yu Chai; Ni Zhang; Jie Liu; Ning Yin; Shu-Lin Liu; Jing-Yuan Zhang

doi:10.7498/aps.69.20200095

Journals >Acta Physica Sinica >Volume 69 >Issue 16 >Page 165202-1 > Article

Acta Physica Sinica
Vol. 69, Issue 16, 165202-1 (2020)

Two-dimensional simulation of dynamic characteristics of N₂–O₂ corona discharge at micro scale

Yu Chai¹, Ni Zhang¹, Jie Liu¹, Ning Yin¹, Shu-Lin Liu¹, and Jing-Yuan Zhang^{1、2、3、*}

Author Affiliations

¹College of Electrical and Control Engineering, Xi'an University of Science and Technology, Xi'an 710054, China

²Postdoctoral Station of Mechanical Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

³Jiangsu Province Laboratory of Mining Electric and Automation, China University of Mining and Technology, Xuzhou 221008, China

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DOI: 10.7498/aps.69.20200095 Cite this Article

Yu Chai, Ni Zhang, Jie Liu, Ning Yin, Shu-Lin Liu, Jing-Yuan Zhang. Two-dimensional simulation of dynamic characteristics of N₂–O₂ corona discharge at micro scale [J]. Acta Physica Sinica, 2020, 69(16): 165202-1 Copy Citation Text

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Fig. 1. Discharge schematic diagram.

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Electron density maps at different times: (a) t1 = 0.1 ns; (b) t2 = 0.3 ns; (c) t3 = 1 ns; (d) t4 = 100 ns; (e) t5 = 150 ns; (f) t6 = 200 ns.

Fig. 2. Electron density maps at different times: (a) t₁ = 0.1 ns; (b) t₂ = 0.3 ns; (c) t₃ = 1 ns; (d) t₄ = 100 ns; (e) t₅ = 150 ns; (f) t₆ = 200 ns.

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Fig. 3. Curves of electric field strength with time at different positions on the central axis.

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Fig. 4. Time-varying curve of applied voltage on the negative plate.

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Fig. 5. Axial distributions of positive and negative ion density at different times: (a) t₁ = 100 ns; (b) t₂ = 140 ns; (c) t₃ = 150 ns; (d) t₄ = 200 ns

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Fig. 6. Curve of discharge current density with time.

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Fig. 7. Curve of the electric field strength at the tip with time.

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Fig. 8. Variation curve of electric field strength with time at the tip under different pole spacing.

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Fig. 9. The intensity of the electric field at the different poles: (a) All the time; (b) stable time.

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Fig. 10. The increment of field strength at the tips of different pole spaces.

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类型	序号	反应式	反应速率	参考文献
电子碰撞反应	R₁	${\rm{e}} + {{\rm{N}}_{\rm{2}}} \to {\rm{e}} +{\rm{ e}} +{\rm{ N}}_{\rm{2}}^{{ + }} $	f (ε)	[29]
	R₂	${\rm{e}} + {{\rm{O}}_2} \to {\rm{e}} + {\rm{e}} + {\rm{O}}_2^ + $	f (ε)	[29]
	R₃	${\rm{e}} + {\rm{O}}_4^ + \to 2{{\rm{O}}_2}$	1.4 × 10^–42(300/T_e)^0.5 mol·s^–1	[29]
	R₄	${\rm{e}} + {\rm{O}}_2^ + \to 2{\rm{O}}$	2.0 × 10^–13(300/T_e) mol·s^–1	[29]
	R₅	${\rm{e}} + 2{{\rm{O}}_2} \to {{\rm{O}}_2} + {\rm{O}}_2^ - $	2.0 × 10^–41(300/T_e) mol·s^–1·m^–6	[29]
重粒子反应	R₆	${\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{N}}_{\rm{2}}} \to {\rm{O}}_{\rm{4}}^{{ + }}{{ + }}{{\rm{N}}_2}$	2.4 × 10^–42 mol·s^–1·m^–6	[29]
	R₇	${{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{O}}_{\rm{2}}} \to {\rm{O}}_{\rm{4}}^{{ + }}{{ + }}{{\rm{N}}_2}$	1.0 × 10^–15 mol·s^–1·m^–3	[29]
	R₈	${{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{N}}_{\rm{2}}} \to {\rm{O}}_2^{{ + }}{{ + 2}}{{\rm{N}}_{\rm{2}}}$	4.3 × 10^–10 mol·s^–1·m^–3	[29]
	R₉	${\rm{O}}_{\rm{2}}^{{ + }}{{ + 2}}{{\rm{N}}_{\rm{2}}} \to {{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{N}}_{\rm{2}}}$	9.0 × 10^–43 mol·s^–1·m^–6	[29]
	R₁₀	${{\rm{O}}_{\rm{2}}} +{\rm{ N}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}} +{\rm{ O}}_{\rm{2}}^{{ + }}$	6.0 × 10^–17 mol·s^–1·m^–3	[29]
	R₁₁	${\rm{N}}_{\rm{2}}^{{ + }}{{ + }}{{\rm{N}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}} \to {{\rm{O}}_{\rm{2}}} + {\rm{N}}_{\rm{4}}^{{ + }}$	5.0 × 10^–41 mol·s^–1·m^–6	[29]
	R₁₂	${{\rm{O}}_{\rm{2}}}+ {\rm{ N}}_{\rm{4}}^{{ + }} \to {\rm{2}}{{\rm{N}}_{\rm{2}}}+ {\rm{ O}}_{\rm{2}}^{{ + }}$	2.5 × 10^–16 mol·s^–1·m^–3	[29]
	R₁₃	${\rm{2}}{{\rm{N}}_{\rm{2}}}+ {\rm{ N}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}}+ {\rm{ N}}_{\rm{4}}^{{ + }}$	5.0 × 10^–41 mol·s^–1·m^–6	[29]
	R₁₄	${\rm{O}}_{\rm{2}}^{{ + }}+ {\rm{ 2}}{{\rm{O}}_{\rm{2}}} \to {\rm{O}}_{\rm{4}}^{{ + }}{{ + }}{{\rm{O}}_{\rm{2}}}$	2.4 × 10^–42 mol·s^–1·m^–6	[29]
	R₁₅	${\rm{O}}_{\rm{4}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - \to {\rm{3}}{{\rm{O}}_{\rm{2}}}$	1.0 × 10^–13 mol·s^–1·m^–3	[29]
	R₁₆	${\rm{O}}_{\rm{4}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{N}}_2} \to {\rm{3}}{{\rm{O}}_{\rm{2}}} + {{\rm{N}}_{\rm{2}}}$	2.0 × 10^–17 mol·s^–1·m^–6	[29]
	R₁₇	${\rm{O}}_{\rm{4}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{O}}_{\rm{2}}} \to {\rm{3}}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}}$	2.0 × 10^–17 mol·s^–1·m^–6	[29]
	R₁₈	${\rm{O}}_{\rm{2}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{O}}_{\rm{2}}} \to {\rm{2}}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}}$₂	2.0 × 10^–17 mol·s^–1·m^–6	[29]
	R₁₉	${\rm{O}}_{\rm{2}}^{{ + }}+ {\rm{ O}}_{\rm{2}}^ - {{ + }}{{\rm{N}}_{\rm{2}}} \to {\rm{2}}{{\rm{O}}_{\rm{2}}}{{ + }}{{\rm{N}}_{\rm{2}}}$	2.0 × 10^–17 mol·s^–1·m^–6	[29]

Table 1.

N₂-O₂ plasma chemical reactions.

N₂-O₂等离子体化学反应

序号	反应式	针电极(阴极)		板电极(阳极)
序号	反应式	γ	ε_i/eV	γ	ε_i/eV
R₂₀	${\rm{e}} + {\rm{N}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}}$	0.05	4	0	0
R₂₁	${\rm{e }}+{{\rm{N}}_{\rm{2}}}{\rm{O}}_{\rm{2}}^{{ + }} \to {{\rm{N}}_{\rm{2}}}{{ + }}{{\rm{O}}_{\rm{2}}}$	0.05	4	0	0
R₂₂	${\rm{e}} + {\rm{N}}_{\rm{4}}^{{ + }} \to {\rm{2}}{{\rm{N}}_{\rm{2}}}$	0.05	4	0	0
R₂₃	${\rm{e}} + {\rm{O}}_{\rm{2}}^{{ + }} \to {{\rm{O}}_{\rm{2}}}$	0.05	4	0	0
R₂₄	${\rm{e}} +{\rm{ O}}_{\rm{4}}^{{ + }} \to 2{{\rm{O}}_{\rm{2}}}$	0.05	4	0	0
R₂₅	${\rm{e}} +{\rm{ O}}_{\rm{2}}^{{ - }} \to {{\rm{O}}_{\rm{2}}}$	0	0	0	0

Table 2.

Surface reactions.

表面反应

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