An Experimental Study Of Atmospheric Pressure Dielectric Barrier Discharge (DBD) In Argon

被引:10
|
作者
Subedi, D. P. [1 ]
Tyata, R. B. [1 ,2 ]
Shrestha, R. [1 ,3 ]
Wong, C. S. [4 ]
机构
[1] Kathmandu Univ, Sch Sci, Dept Nat Sci, Dhulikhel, Nepal
[2] Khwopa Coll Engn, Dept Elect, Bhaktapur, Nepal
[3] Basu Coll, Dept Phys, Bhaktapur, Nepal
[4] Univ Malaya, Fac Sci, Plasma Technol Res Ctr, Dept Phys, Kuala Lumpur 50603, Malaysia
来源
FRONTIERS IN PHYSICS | 2014年 / 1588卷
关键词
Atmospheric pressure; dielectric barrier discharge; argon; GLOW;
D O I
10.1063/1.4867673
中图分类号
O59 [应用物理学];
学科分类号
摘要
In this paper, experimental results on atmospheric pressure argon dielectric barrier discharge (DBD) have been presented. The discharge was generated using a high voltage (0 to 20 kV) power supply operating at frequency of 10 to 30 kHz and was studied by means of electrical and optical measurements. A homogeneous and steady discharge was observed between the electrodes with gap spacing from 1 mm to 3 mm and with a dielectric barrier of thickness 1.5 mm while argon gas is fed at a controlled flow rate of 2liter per min. The electron temperature (T-e) and electron density (n(e)) of the plasma have been determined by means of optical emission spectroscopy. Our results show that the electron density is of the order of 10(16) cm(-3) while the electron temperature is estimated to be similar to 1 eV. The homogeneity and non-thermal nature of the discharge were utilized in the investigation of the change in wettabilty of a polymer sample subjected to the treatment by the discharge. Contact angle analysis showed that the discharge was effective in improving the wettability of low density Polyethylene (LDPE) polymer sample after the treatment.
引用
收藏
页码:103 / 108
页数:6
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