Development and characterization of atmospheric pressure gliding Arc plasma jet

IF 2.6 3区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY
Roshan Chalise, Santosh Dhungana, Sangat Sharma, Suresh Basnet, Hom Bahadur Baniya, Tirtha Raj Acharya, Pradeep Lamichhane and Raju Khanal
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Abstract

In this work, we present the development and comprehensive characterization of an atmospheric pressure gliding arc plasma jet (GAPJ) operating in ambient air to generate non-thermal plasma. Through systematic investigation, the relationship between jet length and airflow rate indicates a positive correlation. Electrical and optical techniques are utilized to characterize the discharge, revealing an impact of applied voltage and gas flow rate on discharge parameters. Calculations are made for parameters such as electron density ((0.62−3.44)×1019) m−3, average power dissipation (9.85−40.50) W, and root mean square values of current and voltage. The impacts of applied voltages and gas flow rate on these parameters are also examined. Electron excitation temperature is determined using the Boltzmann plot method, yielding values within the range of (1.36−1.44) eV. Rotational and vibrational temperatures of discharge are analyzed, revealing values of (1373−2065) K and (2700−2405) K, respectively, under different operational conditions. The generated non-thermal plasma is confined to form a plasma plume although it consists of two diverging electrodes and offers promising applications for specified areas of sterilization and decontamination in the medical, pharmaceutical, and food processing industries.
常压滑翔弧等离子体射流的开发和特性分析
在这项工作中,我们介绍了在环境空气中运行以产生非热等离子体的大气压滑翔电弧等离子体射流(GAPJ)的开发和综合表征。通过系统研究,我们发现射流长度与气流速率之间存在正相关关系。利用电学和光学技术对放电进行了表征,揭示了外加电压和气体流速对放电参数的影响。对电子密度((0.62-3.44)×1019)m-3、平均功率耗散(9.85-40.50)W 以及电流和电压的均方根值等参数进行了计算。此外,还研究了外加电压和气体流速对这些参数的影响。使用玻尔兹曼图法确定了电子激发温度,得出的数值在 (1.36-1.44) eV 范围内。对放电的旋转温度和振动温度进行了分析,结果表明,在不同的运行条件下,放电温度分别为 (1373-2065) K 和 (2700-2405) K。生成的非热等离子体虽然由两个发散电极组成,但却被限制形成等离子体羽流,在医疗、制药和食品加工行业的特定消毒和净化领域具有广阔的应用前景。
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来源期刊
Physica Scripta
Physica Scripta 物理-物理:综合
CiteScore
3.70
自引率
3.40%
发文量
782
审稿时长
4.5 months
期刊介绍: Physica Scripta is an international journal for original research in any branch of experimental and theoretical physics. Articles will be considered in any of the following topics, and interdisciplinary topics involving physics are also welcomed: -Atomic, molecular and optical physics- Plasma physics- Condensed matter physics- Mathematical physics- Astrophysics- High energy physics- Nuclear physics- Nonlinear physics. The journal aims to increase the visibility and accessibility of research to the wider physical sciences community. Articles on topics of broad interest are encouraged and submissions in more specialist fields should endeavour to include reference to the wider context of their research in the introduction.
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