The Physics Society of Iran Iranian Journal of Physics Research 1682-6957 16 4 2019 11 26 Effect of voltage shape of electrical power supply on radiation and density of a cold atmospheric argon plasma jet Effect of voltage shape of electrical power supply on radiation and density of a cold atmospheric argon plasma jet 291 303 1214 10.18869/acadpub.ijpr.16.4.291 FA F Sohbatzadeh M Bagheri S Motallebi Journal Article 2019 11 26 In this work, we investigated generating argon cold plasma jet at atmospheric pressure based on dielectric barrier discharge configuration using three electrical power supplies of sinusoidal, pulsed and saw tooth high voltage shapes at 8 KHZ. At first; we describe the electronic circuit features for generating high voltage (HV) wave forms including saw tooth, sinusoidal and pulsed forms. Then, we consider the effect of voltage shape on the electrical breakdown. Relative concentrations of chemical reactive species such as Oxygen, atomic Nitrogen and OH were measured using optical emission spectroscopy. Using a simple numerical model, we showed a HV with less rise time increases electron density, therefore a cold plasma jet can be produced with a minimal consumption electrical power In this work, we investigated generating argon cold plasma jet at atmospheric pressure based on dielectric barrier discharge configuration using three electrical power supplies of sinusoidal, pulsed and saw tooth high voltage shapes at 8 KHZ. At first; we describe the electronic circuit features for generating high voltage (HV) wave forms including saw tooth, sinusoidal and pulsed forms. Then, we consider the effect of voltage shape on the electrical breakdown. Relative concentrations of chemical reactive species such as Oxygen, atomic Nitrogen and OH were measured using optical emission spectroscopy. Using a simple numerical model, we showed a HV with less rise time increases electron density, therefore a cold plasma jet can be produced with a minimal consumption electrical power https://ijpr.iut.ac.ir/article_1214_c8ba76c279269b1c6bc8a07e38e78fa4.pdf