Discharge current induced by the motion of charged particles

Sato, Noriyosi

doi:10.1088/0022-3727/13/1/002

Cited by 159 publications

(74 citation statements)

References 3 publications

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“…In Figures 8 and 9, the electron density profiles on the axis of symmetry of the discharge during the avalanche and streamer phases for the two different models (2D and 3D) are presented. In Figure 10 the current density calculated by Sato's formula [24] for the 2D and 3D model is also provided yielding very good agreement.…”

Section: Comparison Of 2d Axi-symmetric and 3d Modelsmentioning

confidence: 75%

Three-dimensional numerical modelling of gas discharges at atmospheric pressure incorporating photoionization phenomena

Papageorgiou¹,

Metaxas²,

Georghiou³

2011

J. Phys. D: Appl. Phys.

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A three-dimensional (3D) numerical model for the characterization of gas discharges in air at atmospheric pressure incorporating photoionisation through the solution of the Helmholtz equation is presented. Initially, comparisons with a two-dimensional (2D) axi-symmetric model are performed in order to assess the validity of the model. Subsequently several discharge instabilities (plasma spots and low pressure inhomogeneities) are considered in order to study their effect on streamer branching and off-axis propagation. Depending on the magnitude and position of the plasma spot, deformations and off-axis propagation of the main discharge channel were obtained. No tendency for branching in small (of the order of 0.1cm) overvolted discharge gaps was observed.

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Section: Comparison Of 2d Axi-symmetric and 3d Modelsmentioning

confidence: 75%

Three-dimensional numerical modelling of gas discharges at atmospheric pressure incorporating photoionization phenomena

Papageorgiou¹,

Metaxas²,

Georghiou³

2011

J. Phys. D: Appl. Phys.

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“…Initially the charge deposits inside a circle of ~0.22 mm radius, figure 15 (curve 50 ns). As the dielectric surface gradually accumulates the negative charge and the charge density has reached a certain level, the surface charge field tends to oppose the Poisson's field and pushes the incoming ions away from the symmetry 19 axis. At the end of the current pulse, the charge accumulates over a ring of ~0.7 mm radius.…”

Section: Figure 12mentioning

confidence: 99%

Numerical modelling of negative discharges in air with experimental validation

Tran

Golosnoy

Lewin

et al. 2010

J. Phys. D: Appl. Phys.

157

113

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Axisymmetric finite element models have been developed for the simulation of negative discharges in air without and with the presence of dielectrics. The models are based on the hydrodynamic drift-diffusion approximation. A set of continuity equations accounting for the movement, generation and loss of charge carriers (electrons, positive and negative ions) is coupled with Poisson's equation to take into account the effect of space and surface charges on the electric field. The model of a negative corona discharge (without dielectric barriers) in a needle-plane geometry is analysed first. The results obtained show good agreement with experimental observations for various Trichel pulse characteristics. With dielectric barriers introduced into the discharge system, the surface discharge exhibits some similarities and differences to the corona case. The model studies the dynamics of volume charge generation, electric field variations and charge accumulation over the dielectric surface. The predicted surface charge density is consistent with experimental results obtained from the Pockels experiment in terms of distribution form and magnitude.

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“…The total electric fields are then obtained by adding the two resultant electric fields. Moreover, the discharge current profiles are obtained from an equation suggested by Sato [20]. It is assumed at the plasma-barrier interface that all the incoming electrons and ions accumulate on the dielectric barrier as surface charges.…”

Section: B Modeling On Parallel-plate Dbdmentioning

confidence: 99%

Experimental and Numerical Analysis of Streamers in Pulsed Corona and Dielectric Barrier Discharges

Kim

Kang

Park

et al. 2004

IEEE Trans. Plasma Sci.

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Abstract-Streamer characteristics have been experimentally and numerically analyzed for pulsed-corona discharge (PCD) and dielectric-barrier discharge (DBD) to find out how the discharge methods determine them and how they, in turn, affect the generation of radicals in flue gases. Experiments have been performed and compared for decomposition of a nitrogen oxide (NO) using PCD and DBD, and the electric field and average electron energy in the streamer are measured in each discharge by using line ratio Index Terms-Dielectric barrier discharge (DBD), nitrogen oxide (NO) decomposition, numerical modeling, optical emission spectroscopy, pulsed corona discharge (PCD), streamer characteristics.

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Discharge current induced by the motion of charged particles

Cited by 159 publications

References 3 publications

Three-dimensional numerical modelling of gas discharges at atmospheric pressure incorporating photoionization phenomena

Three-dimensional numerical modelling of gas discharges at atmospheric pressure incorporating photoionization phenomena

Numerical modelling of negative discharges in air with experimental validation

Experimental and Numerical Analysis of Streamers in Pulsed Corona and Dielectric Barrier Discharges

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