光谱学与光谱分析 |
|
|
|
|
|
Influence of Argon Content on Plasma Temperature of Single Filament in Dielectric Barrier Discharge |
FU Hong-yan, DONG Li-fang*, ZHAO Yang |
Hebei Key Lab of Optic-electronic Information and Materials, College of Physics Science and Technology, Hebei University, Baoding 071002, China |
|
|
Abstract The single filament (also referred to as monofilament) which composed of two parts including the center spot and the outer halo is observed and researched for the first time in dielectric barrier discharge, which filled with gas-mixture of argon and air. The pictures taken from the experiment show that the diameter of the monofilament decreases with the increasing of the content of the argon inthe argon-air mixture, and at the same time there is an obvious difference onbrightness between the center spot and the outer halo. All of these phenomenons suggest that the center spot and the outer halo are probably in different plasma state. The micro character of the center spot and the outer halo is researched seriously in the experiment by the time-resolved measurement with opticalmethod. Three plasma temperatures of the center spot and the outer halo in single filament in different argon content are studied in details by using optical emission spectra. The emission spectra of the N2 second positive band(C3Πu→B3Πg) are measured, from which the molecule vibrational temperature of the center spot and the outer halo are calculated. Based on the relative intensity of the N+2 line at 391.4 nm and the N2 line at 394.1 nm, the changing relationship of the average electron energy of the center spot andthe outer halo with argon content is investigated. The spectral lines of Ar I 763.2 nm (2P6→1S5) and 772.077 nm (2P2→1S3) are chosen to estimate electron excitation temperature of the center spot and the outer halo by the relative intensity ratio method. The results show that the optical signal corresponding to the first lasge pulse is the center spot, whose signal intensity is a litter weaker; and the optical signal containing the whole pulse is the outer halo, whose signal intensity is stronger. The three plasma temperatures including the molecule vibrational temperature, average electron energy and electron excitation temperature of the outer halo are higher than those of the spotat the same argon content without exception. In addition, the molecule vibrational temperature of the center spot and the outer halo decrease with the argon content increases from 30% to 50%, while on the other hand, electron excitation temperature and average electron energy are decrease gradually.
|
Received: 2014-04-30
Accepted: 2014-07-25
|
|
Corresponding Authors:
DONG Li-fang
E-mail: donglfhbu@163.com
|
|
[1] DONG Li-fang, YANG Yu-jie, LIU Wei-yuan, et al(董丽芳, 杨玉杰, 刘为远, 等). Acta Physica Sinica(物理学报), 2011, 60(2): 025216. [2] Stollenwerk L. New J. Phys.,2009, 11:103034. [3] Reece R J, Jozef R, Dai X, et al. J. Phys. D: Appl. Phys.,2005, 38:555. [4] Epstein T, Fineberd J, Phys. Rev. Lett.,2008, 100:134101. [5] Dong Lifang, Liu Weili, Wang Hongfang, et al. Phys. Rev. E., 2007, 76: 046210. [6] FAN We-li, DONG Li-fang, LI Xue-chen, et al(范伟丽,董丽芳,李雪辰,等).Acta Physica Sinica(物理学报), 2007, 56. [7] Kim Jaeho, Katsurai Makoto, Kim Dongmin,et al. Appl. Phys. Lett., 2008, 93: 191505. [8] Herzberg G. Molecular Spectral and Molecular Ⅰ. Spectra of Diatomic Molecules(分子光谱与分子结构·第一卷:双原子分子光谱). Translated by WANG Ding-chang(王鼎昌,译). Beijing: Science Press(北京: 科学出版社),1983. 155, 157.
|
[1] |
TIAN Fu-chao1, CHEN Lei2*, PEI Huan2, BAI Jie-qi1, ZENG Wen2. Study of Factors Influencing the Length of Argon Plasma Jets at
Atmospheric Pressure With Needle Ring Electrodes[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(12): 3682-3689. |
[2] |
YU Hao-zhang, WANG Fei-fan, ZHAO Jian-xun, WANG Sui-kai, HE Shou-jie*, LI Qing. Optical Characteristics of Trichel Pulse Discharge With Needle Plate
Electrode[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(10): 3041-3046. |
[3] |
TIAN Fu-chao1, CHEN Lei2*, PEI Huan2, BAI Jie-qi1, ZENG Wen2. Diagnosis of Emission Spectroscopy of Helium, Methane and Air Plasma Jets at Atmospheric Pressure[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(09): 2694-2698. |
[4] |
WANG Wei, WANG Yong-gang*, WU Zhong-hang, RAO Jun-feng, JIANG Song, LI Zi. Study on Spectral Characteristics of Pulsed Argon Vacuum Dielectric
Barrier Discharge[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2023, 43(02): 455-459. |
[5] |
PEI Huan1, CHEN Lei1*, WANG Si-yuan2, YANG Kun1, SONG Peng2. Flame Spectrum and Active Particles Analysis of the Effect of Dielectric Barrier Discharge Induced on Gliding Arc Discharge With the Mixture of Methane-Air-Ar Within A Dual Mode Discharge[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(07): 2007-2012. |
[6] |
LI Xue, LIN Jing-song, GUO Yi-tong, HUO Wei-gang*, WANG Yu-xin, XIA Yang. Studies on the Electrical and Spectrum Characteristics in Atmospheric Dielectric Barrier Discharge in Helium-Argon Mixture[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2021, 41(11): 3602-3606. |
[7] |
LI Zheng-kai1, CHEN Lei1*, WANG Mei-qi1, SONG Peng2, 3, YANG Kun1, ZENG Wen1. Diagnosis of Atmospheric Pressure Argon/Air Needle-Ring Dielectric Barrier Discharge Emission Spectrum[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2021, 41(10): 3307-3310. |
[8] |
SONG Peng1,3, LI Zheng-kai2, CHEN Lei2*, WANG Xiao-fang1, LONG Wu-qiang1, ZENG Wen2. Diagnosis of Atmospheric Pressure Helium Cryogenic Plasma Jet[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2021, 41(06): 1874-1879. |
[9] |
LI Zheng-kai1, CHEN Lei1*, YANG Cong1, SONG Peng2, 3, ZENG Wen1, LIU Ai-guo1, PANG Jun-yi1. A Study on Emission Spectral Diagnosis of Ar/CH4 Plasma Jet[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2021, 41(05): 1398-1403. |
[10] |
GAO Kun1,2, GONG Dan-dan1, LIU Ren-jing1, SU Ze-hua1, JIA Peng-ying1, LI Xue-chen1*. Measurement of Ozone Concentration in Atmospheric Pressure Air Barrier Discharge by Optical Absorption Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2020, 40(02): 461-464. |
[11] |
HE Shou-jie1*, BAO Hui-ling1, HA Jing2, ZHAO Kai-yue1, QU Yu-xiao1, ZHANG Zhao1, LI Qing1*. The Optical Characteristics of Hollow Cathode Discharge at Different Modes in Air[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(11): 3377-3382. |
[12] |
WANG Lin-na, CHENG Ya-wen, LIU Ke, ZHANG Xiu-ling*. The Stability of Ionic Liquids in DBD Plasma under Atmospheric Pressure[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(05): 1372-1376. |
[13] |
ZHAO Zi-lu, YANG De-zheng, WANG Wen-chun*, ZHOU Xiong-feng, YUAN Hao. Electrical and OES Characters of Nanosecond Pulsed Array Wire-to-Wire SDBD Plasma in Atmospheric Air[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(04): 1236-1241. |
[14] |
SONG Zhi-jie, XU Hao-jun, WEI Xiao-long, CHEN Zeng-hui, SONG Fei-long, ZHANG Wen-yuan. Characteristics Study and Parameters Diagnosis by Spectral Analysis of Low Pressure Argon Inductively Coupled Plasma[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(04): 1242-1246. |
[15] |
SUN Hao-yang1, 2, DONG Li-fang1, 2*, HAN Rong1, 2, LIU Bin-bin1, 2, DU Tian1, 2, HAO Fang1, 2. A Spectral Study of Three Kinds Discharge Filaments in a Multiplicate Gas Gap in Dielectric Barrier Discharge[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(02): 406-409. |
|
|
|
|