Junxia Ran
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View article: Simulation Study on the Influence of Contraction Expansion and Bending Pipeline on Gas Flow Measurement Accuracy
Simulation Study on the Influence of Contraction Expansion and Bending Pipeline on Gas Flow Measurement Accuracy Open
This paper conducts an analysis of three common types of typical disturbances encountered in industry, obtaining gas flow field distributions under different operating conditions through simulation studies. It further investigates their im…
View article: The Laboratory Measurement of the Line Ratios in X-Ray Emission Resulting from the Charge Exchange Between Mg11+ and Helium
The Laboratory Measurement of the Line Ratios in X-Ray Emission Resulting from the Charge Exchange Between Mg11+ and Helium Open
The line ratios in X-ray emission resulting from charge exchange between highly charged ions (HCIs) and neutral atoms are not only crucial for accurately modeling astrophysical X-ray emissions but also offer a unique perspective on the cha…
View article: Comparative Study on Surface Modification of Polyethylene Terephthalates by Four Discharge Modes
Comparative Study on Surface Modification of Polyethylene Terephthalates by Four Discharge Modes Open
Four dielectric barrier discharge (DBD) modes are investigated in a 5 mm argon gap for the surface treatment of polyethylene terephthalate (PET) to enhance its hydrophilicity. The effects of four modes on surface modification and treatment…
View article: Temporal evolution of self-organized spiral patterns formed in a liquid-electrode discharge sustained in atmospheric pressure air
Temporal evolution of self-organized spiral patterns formed in a liquid-electrode discharge sustained in atmospheric pressure air Open
Being stabilized in a docile glow discharge phase, liquid-electrode discharge (LED) at atmospheric pressure is one of the popular plasma sources. Extremely fascinating in LED is the appearance of various self-organized patterns at the surf…
View article: Influence of solution conductivity on discharge mode in alternating-current voltage driven liquid-electrode discharge
Influence of solution conductivity on discharge mode in alternating-current voltage driven liquid-electrode discharge Open
A liquid-electrode discharge system excited by an alternating-current sinusoidal voltage is employed to investigate the discharge modes with varying liquid conductivity (σ). The results indicate that with σ increasing, the discharge transi…
View article: Discharge evolution mechanism and spectral diagnostic study of loop dot-matrix concentric-roll pattern
Discharge evolution mechanism and spectral diagnostic study of loop dot-matrix concentric-roll pattern Open
Dielectric barrier discharge (DBD) can produce abundant discharge patterns. It is one of the most interesting nonlinear systems for studying pattern formation. In this work, circular boundaries with different radii are utilized and superim…
View article: Particle-in-cell/Monte Carlo collision simulations of dielectric barrier discharge packed with mixed dielectrics
Particle-in-cell/Monte Carlo collision simulations of dielectric barrier discharge packed with mixed dielectrics Open
Packed bed dielectric barrier discharge (PB-DBD) is extremely popular in plasma catalysis applications, which can significantly improve the selectivity and energy efficiency of the catalytic processes. In order to achieve some complex chem…
View article: Discharge characteristics and parameter diagnosis of dielectric barrier discharge patterns in double-gap configuration
Discharge characteristics and parameter diagnosis of dielectric barrier discharge patterns in double-gap configuration Open
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 w…
View article: A planar plume array emanating from an atmospheric pressure argon plasma jet employing floating electrodes
A planar plume array emanating from an atmospheric pressure argon plasma jet employing floating electrodes Open
Large-scale plasma plumes downstream of plasma jets are in urgent need from a practical viewpoint. In this Letter, an argon plasma jet with floating electrodes is proposed to produce a large-scale planar plume array. Results indicate that …
View article: A large-scale filament-free planar plume generated by an argon plasma jet in a gas-confined barrier discharge geometry
A large-scale filament-free planar plume generated by an argon plasma jet in a gas-confined barrier discharge geometry Open
Large-scale plumes in a plasma jet are desirable for fast processing of materials with large surface, which are normally composed of discharge filaments. A filamentary plume may cause nonuniform treatment or even damage to vulnerable sampl…
View article: Discharge characteristics and parameter diagnosis of brush-shaped air plasma plumes under auxiliary discharge
Discharge characteristics and parameter diagnosis of brush-shaped air plasma plumes under auxiliary discharge Open
Atmospheric pressure plasma jet (APPJ) can produce plasma plumes rich in active species, which has a wide scope of applications. From the perspective of applications, it is one of the hot issues in APPJ research to generate a diffuse plasm…
View article: Numerical simulation on the behavior of a negative streamer encountered with a cloud of positive ions in atmospheric pressure plasma jet
Numerical simulation on the behavior of a negative streamer encountered with a cloud of positive ions in atmospheric pressure plasma jet Open
Plasma jet normally operates in a regime of positive or negative streamers. Different propagating behaviors have been investigated for positive streamers. However, there are few studies on negative streamers. In this paper, a two-dimension…
View article: A double‐mode planar argon plume produced by varying the distance from an atmospheric pressure plasma jet
A double‐mode planar argon plume produced by varying the distance from an atmospheric pressure plasma jet Open
Atmospheric pressure planar plumes are desirable for the applications of low temperature plasmas, such as rapid modification of large‐scale surfaces. Up to now, only single‐mode planar plumes with either a streamer mode or a filamentary mo…
View article: Realization of homogeneous dielectric barrier discharge in atmospheric pressure argon and the effect of beads on its characteristics
Realization of homogeneous dielectric barrier discharge in atmospheric pressure argon and the effect of beads on its characteristics Open
This paper describes the realization of a homogeneous dielectric barrier discharge (DBD) in argon at atmospheric pressure. The effect of the morphology of the dielectric surface (especially the dielectric surface covered by hollow ceramic …
View article: Argon plume transition from a hollow swell to a diffuse swell with increasing amplitude of a trapezoidal voltage
Argon plume transition from a hollow swell to a diffuse swell with increasing amplitude of a trapezoidal voltage Open
Atmospheric pressure plasma jets can generate a remote plasma plume, which usually presents a conical or cylindrical morphology. Despite a few morphologies being observed, efforts should be made to obtain more plume structures because stre…