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Dielectric barrier discharge (DBD) plasma actuators are an attractive option for separation control, lift enhancement, and drag reduction. Some plasma actuators feature optimized electrode shapes, electrical waveforms to maximize the…

Fluid Dynamics · Physics 2021-06-23 Ravi Sankar Vaddi , Charles Sota , Alexander Mamishev , Igor Novosselov

We use a pin-grid electrode to introduce a corrugated electrical potential into a planar dielectric-barrier discharge (DBD) system, so that the amplitude of the applied electric field has the profile of a two-dimensional square lattice. The…

Pattern Formation and Solitons · Physics 2015-06-03 Josiah Sinclair , Matthew Walhout

This study investigates the flow field induced by a surface dielectric barrier discharge (SDBD) system, known for its efficient pollution remediation of volatile organic compounds (VOCs). We aim to understand the flow dynamics that…

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

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…

We investigate the full-cycle operation of a coaxial Packed Bed Dielectric Barrier Discharge (PB-DBD) reactor operating in pure $\mathrm{CO_{2}}$. The reactor is packed with high permittivity dielectric rods and is analyzed with a…

Plasma Physics · Physics 2023-10-19 Konstantinos Kourtzanidis

The conversion of CO2 and CH4 into value-added chemicals is studied in a new geometry of a dielectric barrier discharge (DBD) with multi-electrodes, dedicated to the treatment of high gas flow rates. Gas chromatography is used to define the…

Chemical Physics · Physics 2017-07-26 A. Ozkan , T. Dufour , G. Arnoult , P. De Keyzer , A. Bogaerts , F. Reniers

In this work we present some results of the treatment of polydimethylsiloxane (PDMS) surfaces using pulsed dielectric barrier discharge plasmas. The results of plasma treatment using different gases and mixtures, argon, argon plus water…

Plasma Physics · Physics 2016-01-15 Fellype do Nascimento , Stanislav Moshkalev , Munemasa Machida , Sergio Parada

Plasma processes are an innovative approach for the decomposition of CO2 in O radicals and CO as a valuable carbon source. In this experimental work, a tubular dielectric barrier discharge operating at atmospheric pressure has been used to…

Instrumentation and Detectors · Physics 2016-05-17 Alp Ozkan , Thierry Dufour , Tiago Silva , Nikolay Britun , Rony Snyders , Annemie Bogaerts , François Reniers

Pattern discharge is a common mode in dielectric barrier discharge (DBD) and has broad application prospects in various industrial fields, such as material surface treatment, environmental monitoring, and biomedical applications. In this…

Plasma Physics · Physics 2026-01-13 Tian Shuang , Zhang Han , Zhang Xi , Zhang Xuexue , Li Qing , Li Xuecehng , Run Junxia

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

Plasma accelerators utilize strong electric fields in plasma waves to accelerate charged particles, making them a compact alternative to radiofrequency technologies. Discharge capillaries are plasma sources used in plasma accelerator…

One of the fundamental problems is the understanding of physics of electrostatic and electromagnetic fluctuations in multi-scale plasma turbulence. Especially so, in continuously connected plasma regions with varying degree of…

Plasma Physics · Physics 2018-05-09 A. D. Patel , M. Sharma , N. Ramasubramanian , R. Ganesh , P. K. Chattopadhyay

This paper investigates the self-pulsing of Dielectric Barrier Discharges (DBDs) at low driving frequencies. In particular, (a) the dependence of current on the product pd of gas pressure p and the gas gap length d, (b) the effects of lossy…

Plasma Physics · Physics 2024-04-17 Shanti K. Thagunna , Vladimir I. Kolobov , Gary P. Zank

The plasma-liquid interaction is an important issue in plasma technology. The simulation of discharge in spherical bubbles in the water that produced plasma-activated water (PAW) is investigated using finite element methods (FEM) for a…

Plasma Physics · Physics 2022-08-26 Niloofar Mohammadi Nahrani , Maryam Bahreini , Saeed Hasanpour Tadi

A new design of plasma source that merges the main features of capacitive dielectric barrier discharge (DBD) and cold atmospheric plasma jet (CAPJ) is discussed. The DBD system consists of a flexible, porous matrix consisting of silica…

Plasma Physics · Physics 2021-02-08 Carles Corbella , Sabine Portal , Li Lin , Michael Keidar

Formation mechanisms of striations along the discharge channel of a single-filament dielectric barrier discharge (DBD) in argon at atmospheric pressure are investigated by means of a time-dependent, spatially two-dimensional fluid-Poisson…

In this experimental study, a flowing dielectric barrier discharge operating at atmospheric pressure is used for the splitting of CO2 into O2 and CO. The influence of the applied frequency and plasma power on the microdischarge properties…

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