High Power Laser and Particle Beams, Volume. 34, Issue 8, 085003(2022)
Numerical study of atmospheric pressure He plasma jets with dual-channel inlet under different electrode structures
Figures & Tables(11)
Fig. 3. Spatial profiles of electron density with and without ring-shaped space in the dielectric tube wall under single electrode structure
Fig. 4. Spatial profiles of electron density as the jet propagates to different axial positions for single and double electrode structure
Fig. 5. Spatial profiles of electric field when the ionization wave propagates to different axial positions for single and double electrode structure
Fig. 6. Radial profiles of electric field in the ionization head when the ionization wave propagates to different axial positions inside and outside the tube for single and double electrode structure
Fig. 7. Spatial profiles of reactive species as the jet propagates to axial position
Fig. 8. Spatial profiles of electron density at different ring electrode thicknesses for double electrode structure
Fig. 9. Spatial profiles of ionization rate when the ionization wave propagates to axial positions
Fig. 10. Radial profiles of ionization rate in the ionization head when the ionization wave propagates to axial positions
Table 1. Chemistry reactions used in the simulation
View tableView in ArticleTable 1. Chemistry reactions used in the simulation
index reaction rate coefficient reference Note: In reaction R9, “M” represents background particles He and N2. (R1) e + He → e + He BOLSIG+ [ 21 ](R2) e + He → e + He* BOLSIG+ [ 21 ](R3) e + He → 2e + He+ BOLSIG+ [ 21 ](R4) e + N2 → 2e + N2+ BOLSIG+ [ 21 ](R5) e + N2 → e + N2(c3Π) BOLSIG+ [ 21 ](R6) He+ + 2He → He2+ + He 1.1 ×10−43 [m6/s] [ 22 ](R7) He* + 2He → He2* + He 2.0 ×10−46 [m6/s] [ 22 ](R8) 2He2* → He2+ + 2He + e 1.5 ×10−15 [m3/s] [ 22 ](R9) He2* + M → 2He + M 1.0 ×104 [1/s] [ 22 ](R10) 2He* → He2+ + e 1.5 ×10−15 [m3/s] [ 22 ](R11) e + He2+ → He + He* 8.9 ×10−15 (Te/Tg) −1.5 [m3/s] [ 22 ](R12) e + N2+ → N2 4.8 ×10−13 (Te/Tg) −0.5 [m3/s] [ 22 ](R13) He2+ + N2 → N2+ + He2* 1.4 ×10−15 [m3/s] [ 22 ](R14) He* + N2 → He + N2+ + e 5.0 ×10−17 [m3/s] [ 22 ](R15) He2* + N2 → 2He + N2+ + e 3.0 ×10−17 [m3/s] [ 22 ](R16) N2+ + 2N2 → N4+ + N2 1.9 ×10−41 [m6/s] [ 22 ](R17) N2+ + N2 +He → N4+ + He 5.0 ×10−41 [m6/s] [ 22 ](R18) N4+ + N2 → N2+ + 2N2 2.5 ×10−21 [m3/s] [ 22 ](R19) N4+ + He → He + N2 + N2+ 2.5 ×10−21 [m3/s] [ 22 ](R20) e + N4+ → 2N2 2.0 ×10−12 [m3/s] [ 21 ](R21) N2(c3πΠ) → N2 + hv 2.45 ×107 [1/s] [ 21 ]
Tools
Get Citation
Copy Citation Text
Bide Zhang, Wanshun Li, Bingchuan Wang. Numerical study of atmospheric pressure He plasma jets with dual-channel inlet under different electrode structures[J]. High Power Laser and Particle Beams, 2022, 34(8): 085003
Paper Information
Category: Pulsed Power Technology
Received: Nov. 29, 2021
Accepted: Jun. 10, 2022
Published Online: Aug. 8, 2022
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20