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Dielectric Barrier Discharge (DBD) plasma actuators with an asymmetric, straight edge electrode configuration generate a wall-bounded jet without moving parts. Mechanistic description of the interaction between the Coulombic forces and…

Plasma Physics · Physics 2021-05-26 Anthony Tang , Ravi Sankar Vaddi , Alexander Mamishev , Igor Novosselov

Nanosecond Surface Dielectric Barrier Discharge (ns-SDBDs) are a class of plasma actuators that utilize a high-voltage pulse of nanosecond duration between two surface-mounted electrodes to create an electrical breakdown of air, along with…

Fluid Dynamics · Physics 2020-10-19 Lalit K. Rajendran , Bhavini Singh , Pavlos P. Vlachos , Sally P. M. Bane

Dielectric barrier discharge (DBD) plasma actuators can generate a wall jet without moving parts through interaction between ionized and neutral molecules in an electric field. The coupling between electro-hydrodynamic, turbulence, and…

Plasma Physics · Physics 2022-07-20 Anthony Tang , Benjamin Price , Alexander Mamishev , Alberto Aliseda , Igor Novosselov

We developed a prototype reactor generating surface dielectric barrier discharges (SDBDs) in ambient air, designed for consistent operation while preventing constructive material degradation. It features detachable stainless steel…

The Dielectric Barrier Discharge (DBD) micro-plasma actuator stands out as a highly promising tool for active fluid flow control. Researchers specializing in flow control have taken a keen interest in this actuator due to its economical…

Fluid Dynamics · Physics 2023-08-25 Javad Omidi

Dielectric barrier discharge (DBD) plasma actuator arrays have been suggested as active flow control devices due to the robust electrohydrodynamic (EHD) force generation in variable atmospheric conditions. DBD plasma augmentation schemes…

Plasma Physics · Physics 2024-12-03 Anthony Tang , Alexander Mamishev , Igor Novosselov

Dielectric barrier discharge (DBD) plasma is used for various applications. DBD is also one of the most efficient and low-cost methods for active fluid flow control. In this study, a detailed physical model of DBD in atmospheric pressure at…

Plasma Physics · Physics 2023-04-13 Ramin Mehrabifard

Dielectric barrier discharge (DBD) plasma actuators can generate a wall jet without moving parts by interacting with ionized and neutral molecules in an electric field. The coupling between electrohydrodynamic (EHD), turbulence, inertial…

Surface dielectric barrier discharge (SDBD) actuators driven by the Pulsed-DC voltages are analyzed. The Pulsed-DC SDBD studied in this work is equivalent to a classical SDBD driven by a tailored Fast-Rise-Slow-Decay (FRSD) voltage…

Plasma Physics · Physics 2020-05-22 Xiancong Chen , Yifei Zhu , Yun Wu , Zhi Su , Hua Liang

Dielectric barrier discharge (DBD) plasma actuators generate an electrohydrodynamic (EHD) force through the ionization and acceleration of charged species. Most active flow control DBD applications are only practical at lower Reynolds…

Plasma Physics · Physics 2024-11-27 Anthony Tang , Alexander Mamishev , Igor Novosselov

The kinetics of plasma assisted low temperature oxidation of C3H8O2Ar mixtures have been studied in a wide specific deposition energy with the help of nanosecond repetitively pulsed discharge. Two types of nanosecond pulsed plasma sources,…

Plasma Physics · Physics 2024-08-07 Zhenyang Li , Bo Yin , Qifu Lin , Yifei Zhu , Yun Wu

There is an urgent need for disinfection and sterilization devices accessible to the public that can be fulfilled by innovative strategies for using cold atmospheric pressure plasmas. Here we explore and evaluate an approach combining a…

An experimental investigation comparing the properties of plasma jets in dielectric barrier discharge (DBD) configurations using a powered electrode with and without a dielectric barrier, while keeping a second dielectric barrier over the…

Plasma Physics · Physics 2021-04-16 Fellype do Nascimento , Konstantin Kostov , Munemasa Machida , Alexander Flacker

Dielectric barrier discharge (DBD) in air is characterized applying current measurement, numerical simulation and optical emission spectroscopy (OES). For OES, a non-calibrated spectrometer is used. This diagnostic method is applicable when…

Plasma Physics · Physics 2012-02-20 Priyadarshini Rajasekaran , Nikita Bibinov , Peter Awakowicz

The use of dielectric barrier discharge (DBD) plasmas has become a practical way to carry out surface treatment and one seeks to do it in a more efficient way, which requires to have control of the plasma parameters like rotational and…

Plasma Physics · Physics 2020-06-15 Fellype do Nascimento , Stanislav Moshkalev , Munemasa Machida

CO2 conversion into value-added products has gained significant interest over the few last years, as the greenhouse gas concentrations constantly increase due to anthropogenic activities. Here we report on experiments for CO2 conversion by…

Plasma Physics · Physics 2016-09-19 A Ozkan , Thierry Dufour , T Silva , N Britun , R Snyders , F Reniers , A Bogaerts

Atmospheric pressure capillary dielectric barrier oxygen discharge plasma jet is developed to generate non-thermal plasma using unipolar positive pulse power supply. Both optical and electrical techniques are used to investigate the…

Plasma Physics · Physics 2015-09-02 N. C. Roy , M. R. Talukder , B. K. Pramanik

Packed bed plasma reactors (PBPRs) inherently have complex geometries where the volume between the electrodes is filled with dielectric/catalytic pellets to form an array of voids and cavities. This design generates multiple length scales…

Plasma Physics · Physics 2020-11-10 Zaka-ul-islam Mujahid , Julian Schulze

The efficiency of the conversion of CO$_2$ into CO with nanosecond repetitively pulsed discharges (NRP) is investigated in a high pressure batch reactor. Stable discharges are obtained at up to 12~bar. By-products of CO$_2$ splitting are…

Plasma Physics · Physics 2022-11-02 Erwan pannier , Taemin Yong , Christophe Laux , Mark A. Cappelli

Dielectric barrier discharges (DBDs) are widely used in applications such as ozone generation and volatile organic compound treatment, where performance can be enhanced through catalyst integration. A fundamental understanding of reactive…

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