Unipolar arc model

H.J.G. Gielen; D.C. Schram

doi:10.1109/27.45515

Unipolar arc model

H.J.G. Gielen, D.C. Schram

Plasma & Materials Processing

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Abstract

A three-dimensional description of an axisymmetric unipolar arc discharge is given. Both sheath and plasma ball effects are taken into account. The analysis is based on the simultaneous solution of Ohm's law, Maxwell equations, and the boundary conditions for the electric potential at the plasma-sheath interface. These boundary conditions are dictated by the sheath effects. The potential distribution, current distribution, and magnetic fields in the plasma have been determined for a given electron density profile. These calculations show that the unipolar arc arises as a natural consequence of the pressure force.

Original language	English
Pages (from-to)	127-133
Journal	IEEE Transactions on Plasma Science
Volume	18
Issue number	1
DOIs	https://doi.org/10.1109/27.45515
Publication status	Published - 1990

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title = "Unipolar arc model",

abstract = "A three-dimensional description of an axisymmetric unipolar arc discharge is given. Both sheath and plasma ball effects are taken into account. The analysis is based on the simultaneous solution of Ohm's law, Maxwell equations, and the boundary conditions for the electric potential at the plasma-sheath interface. These boundary conditions are dictated by the sheath effects. The potential distribution, current distribution, and magnetic fields in the plasma have been determined for a given electron density profile. These calculations show that the unipolar arc arises as a natural consequence of the pressure force.",

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T1 - Unipolar arc model

AU - Gielen, H.J.G.

AU - Schram, D.C.

PY - 1990

Y1 - 1990

N2 - A three-dimensional description of an axisymmetric unipolar arc discharge is given. Both sheath and plasma ball effects are taken into account. The analysis is based on the simultaneous solution of Ohm's law, Maxwell equations, and the boundary conditions for the electric potential at the plasma-sheath interface. These boundary conditions are dictated by the sheath effects. The potential distribution, current distribution, and magnetic fields in the plasma have been determined for a given electron density profile. These calculations show that the unipolar arc arises as a natural consequence of the pressure force.

AB - A three-dimensional description of an axisymmetric unipolar arc discharge is given. Both sheath and plasma ball effects are taken into account. The analysis is based on the simultaneous solution of Ohm's law, Maxwell equations, and the boundary conditions for the electric potential at the plasma-sheath interface. These boundary conditions are dictated by the sheath effects. The potential distribution, current distribution, and magnetic fields in the plasma have been determined for a given electron density profile. These calculations show that the unipolar arc arises as a natural consequence of the pressure force.

U2 - 10.1109/27.45515

DO - 10.1109/27.45515

M3 - Article

SN - 0093-3813

VL - 18

SP - 127

EP - 133

JO - IEEE Transactions on Plasma Science

JF - IEEE Transactions on Plasma Science

IS - 1

ER -

Unipolar arc model

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