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 …

Numerically simulated influence of positive ions on the propagation of a positive streamer initiated in an argon plasma jet

X Li, D Wang, J Chen, J Wu, N Zhao, P Jia, K Wu - Physics of Fluids, 2022 - pubs.aip.org
A plasma jet with inert working gas operates in a streamer discharge mechanism. The
propagation behavior of streamers determines the distribution of active species, which play …

Atmospheric pressure self-organized filaments in dielectric barrier discharge excited by a modulated sinusoidal voltage

K Wu, J Wu, B Jia, C Ren, P Kang, P Jia, X Li - Physics of Plasmas, 2020 - pubs.aip.org
Excited by a modulated sinusoidal voltage, self-organized filaments are generated in a
parallel plate dielectric barrier discharge with a flowing mixture of argon and nitrogen at …

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 …

Surface-induced gas-phase redistribution effects in plasma-catalytic dry reforming of methane: numerical investigation by fluid modeling

M Zhu, A Zhong, D Dai, Q Wang, T Shao… - Journal of Physics D …, 2022 - iopscience.iop.org
Plasma catalysis is an emerging process electrification technology for industry
decarbonization. Plasma-catalytic dry reforming of methane relies on the mutual effects of …

Partial discharge simulation of air gap defects in oil-paper insulation paperboard of converter transformer under different ratios of AC–DC combined voltage

B Luo, J Wang, D Dai, L Jia, L Li, T Wang - Energies, 2021 - mdpi.com
A converter transformer is important primary equipment in a DC transmission project. The
voltage on the valve side winding is complex when the equipment is running, including DC …

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 …

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 …

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 …

Two-dimensional simulation of the evolution of radial discharge columns in an atmospheric argon dielectric barrier discharge

J Wan, Q Wang, D Dai, W Ning - Physics of Plasmas, 2019 - pubs.aip.org
A two-dimensional model is employed to investigate the evolution of radial discharge
columns (or filamentary channels) and the potential mechanism in an atmospheric argon …