Ionization wave propagation and cathode sheath formation due to surface dielectric-barrier discharge sustained in pulsed mode

作     者：Konstantinos GIOTIS Panagiotis SVARNAS Eleftherios AMANATIDES Kristaq GAZELI Guillaume LOMBARDI Polykarpos K PAPADOPOULOS Konstantinos GIOTIS;Panagiotis SVARNAS;Eleftherios AMANATIDES;Kristaq GAZELI;Guillaume LOMBARDI;Polykarpos K PAPADOPOULOS

作者机构：High Voltage Laboratory(Plasma Technology Room)Department of Electrical and Computer EngineeringUniversity of PatrasRion Patras 26504Greece Laboratoire des Sciences des Procédés et des Matériaux(LSPM—CNRS)UniversitéSorbonne Paris NordVilletaneuse F-93430France Plasma Technology LaboratoryDepartment of Chemical EngineeringUniversity of PatrasRion Patras 26504Greece Department of Mechanical Engineering and AeronauticsUniversity of PatrasRion Patras 26504Greece 

出 版 物：《Plasma Science and Technology》 (等离子体科学和技术（英文版）)

年 卷 期：2023年第25卷第11期

页      面：101-113页

核心收录：

学科分类：080901[工学-物理电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 

基　　金：The authors express their gratitude to Mr. Konstantinos Petrou (University of Patras  Department of Electrical and Computer Engineering) for his valuable technical support (PCB fabrication) 

主　　题：atmospheric pressure plasma surface DBD streamer UV-NIR optical emission spectroscopy ICCD fast imaging(Some figures may appear in colour only in the online journal) 

摘      要：This work deals with the experimental study of a surface dielectric-barrier discharge,as a part of the ongoing interest in the control of plasma induced electro-fluid dynamic effects(*** actuators).The discharge is generated using a plasma reactor consisting of a fused silica plate which is sandwiched between two printed circuit boards where the electrodes are *** reactor is driven by narrow high voltage square pulses of asymmetric rising(25 ns)and falling(2.5μs)parts,while the discharge evolution is considered in a temporarily and spatially resolved manner over these *** is,conventional electrical and optical emission analyzes are combined with high resolution optical emission spectroscopy and ns-resolved imaging,unveiling main characteristics of the discharge with a special focus on its propagation along the dielectric-barrier *** voltage rising part leads to cathode-directed ionization waves,which propagate with a speed up to 105m s~(-1).The voltage falling part leads to cathode sheath formation on the driven electrode.Τhe polarization of the dielectric barrier appears critical for the discharge dynamics.