Atmospheric Plasma Jet: Effect of Inner Diameter Size to the Length of Plasma Discharge

Zulaika ABDULLAH, Siti Khadijah ZAABA, Mohammad Taufiq MUSTAFFA, Nor Aini SAIDIN, Johan Ariff MOHTAR, Ammar ZAKARIA


The design of atmospheric plasma jet is basically using the combination of a noble gases, potential difference and a good dielectric material. In this work, we used quartz glass tube as a dielectric material with different inner diameter size to investigate the effect on the plasma discharge. We studied the changes of plasma discharge by observing the discharge lengths. We introduced a gas flow rate of 1000 ml/min and maximum inner diameter of dielectric material of 10 mm. Results showed that the discharge length are capable of reaching 30 mm and having various excited plasma species shown through optical emission spectrum.


Atmospheric plasma jet, dielectric material, optical emission spectroscopy, reactive species

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Last updated: 20 June 2019