Transition mechanisms between selective O3 and NO x generation modes in atmospheric-pressure plasmas: decoupling specific discharge energy and gas …

K Liu, W Geng, X Zhou, Q Duan, Z Zheng… - … Sources Science and …, 2023 - iopscience.iop.org
Two modes of the atmospheric-pressure plasma discharge, distinguished by the dominant O
3 and NO x species are studied numerically and experimentally. To investigate the mode …

Atmospheric dielectric barrier discharge containing helium–air mixtures: The effect of dry air impurities on the spatial discharge behavior

Q Wang, D Dai, W Ning, Y Zhang - Journal of Physics D: Applied …, 2021 - iopscience.iop.org
Air is a typical and arguably unavoidable impurity in atmospheric pressure dielectric barrier
discharges (DBDs). The introduction of air may bring rich plasma chemical effects on DBDs …

Numerical study on partial discharge in a dry air cavity with a two-dimensional fluid model considering practical reactions

F Gao, Q Wang, D Dai, W Ning… - Journal of Physics D …, 2020 - iopscience.iop.org
Partial discharge (PD) is an important factor leading to insulation degradation of electrical
equipment. Understanding the PD mechanism is of great significance for maintaining the …

Characteristics and performance of an integrated coplanar dielectric barrier discharge device for hand hygiene

S Liu, H Jin, Y Lu, L Wan, D Mei… - Plasma Processes and …, 2024 - Wiley Online Library
A touchable plasma device based on coplanar dielectric barrier discharge (CDBD) is
designed for hand hygiene. The biological safety is evaluated from the aspects of electrical …

Multiple current peaks and spatial characteristics of atmospheric helium dielectric barrier discharges with repetitive unipolar narrow pulse excitation

Z Xiangyu, W Qiao, DAI Dong… - Plasma Science and …, 2021 - iopscience.iop.org
Atmospheric dielectric barrier discharges driven by repetitive unipolar narrow pulse
excitation are investigated numerically by using one-dimensional fluid models. The one …

1D fluid model of RF-excited cold atmospheric plasmas in helium with air gas impurities

Y Liu, D Liu, J Zhang, B Sun, A Yang, MG Kong - Physics of Plasmas, 2020 - pubs.aip.org
Cold atmospheric plasmas (CAPs) in helium with air gas impurities (HežAir for abbreviation)
compromise the discharge stability of helium and the chemical reactivity of air, having great …

Numerical simulation of dielectric barrier discharge with asymmetrical electrode in atmospheric helium

J Wang, J Li, B Lei, S Ran, B Xu, Y Liu… - Plasma Sources …, 2021 - iopscience.iop.org
The characteristics of the dielectric barrier discharge (DBD) equipped with asymmetrical
electrode (ring electrode on the upper and disk electrode on the lower) in atmospheric …

How does the moderate wavy surface affect the discharge behavior in an atmospheric helium dielectric barrier discharge model?

Q Wang, W Ning, D Dai, Y Zhang - Plasma Processes and …, 2020 - Wiley Online Library
A conventional parallel‐plate dielectric barrier discharge (DBD) model but with one
dielectric layer having a wavy surface is purposely built for better understanding the plasma …

[HTML][HTML] Numerical simulation on the behavior of a negative streamer encountered with a cloud of positive ions in atmospheric pressure plasma jet

P Jia, W Wan, L Zhang, J Ran, K Wu, J Wu, X Pang… - AIP Advances, 2023 - pubs.aip.org
Plasma jet normally operates in a regime of positive or negative streamers. Different
propagating behaviors have been investigated for positive streamers. However, there are …

Numerical studies on the influences of gas temperature on atmospheric-pressure helium dielectric barrier discharge characteristics

HUO Weigang, LIN Jingsong, YU Tanxue… - Plasma Science and …, 2023 - iopscience.iop.org
A fast-rising gas temperature is due to frequent collisions of the heavy particles in an
atmospheric-pressure dielectric barrier discharge. In this paper, a two-dimensional fluid …