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


  • Zulaika ABDULLAH School of Mechatronics Engineering, Universiti Malaysia Perlis
  • Siti Khadijah ZAABA Centre of Excellence for Advanced Sensor Technology, Universiti Malaysia Perlis
  • Mohammad Taufiq MUSTAFFA School of Manufacturing Engineering, Universiti Malaysia Perlis
  • Nor Aini SAIDIN Advanced Medical and Dental Institute, Universiti Sains Malaysia
  • Johan Ariff MOHTAR Faculty of Engineering Technology, Universiti Malaysia Perlis
  • Ammar ZAKARIA School of Mechatronics Engineering, Universiti Malaysia Perlis



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


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.


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How to Cite

ABDULLAH, Z., ZAABA, S. K., MUSTAFFA, M. T., SAIDIN, N. A., MOHTAR, J. A., & ZAKARIA, A. (2018). Atmospheric Plasma Jet: Effect of Inner Diameter Size to the Length of Plasma Discharge. Walailak Journal of Science and Technology (WJST), 16(6), 391–399.