The Wall-Stabilized Ar Arc at Medium Pressures

Shindo, Haruo; Imazu, Shingo; Inaba, Tsuginori; Takamatsu, T

doi:10.1541/ieejfms1972.96.551

IEEJ Trans. FM

1976

DOI: 10.1541/ieejfms1972.96.551

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The Wall-Stabilized Ar Arc at Medium Pressures

Haruo Shindo

Shingo Imazu

Tsuginori Inaba

et al.

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1980

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An experimental investigation of nonequilibrium effects in wall-confined argon plasma arcs

Shindo¹,

Inaba²,

Imazu³

1980

J. Phys. D: Appl. Phys.

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This paper deals with thermal equilibrium between the particles in argon plasma arcs. The current limit for LTE is experimentally defined as a function of the pressure. Plasma parameters were spectroscopically determined. In particular, the electron temperature and heavy particle temperature were measured. The electron temperature was determined from an absolute continuum radiation strength. Two temperatures were obtained for the heavy particles, one of which was determined from the Doppler component of the H, line when argon gas seeded with hydrogen was used. The second was obtained through a kinetic formula using the measured density and temperature of the electron. The results show that the electrons did not equilibrate with the heavy particles at low currents and pressures. The limit value of the current for LTE increased with decreasing gas pressure. It is shown, furthermore, that the measured field strength of the arc was remarkably lower than those calculated at currents less than the above limits.

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An experimental investigation of nonequilibrium effects in wall-confined argon plasma arcs

Shindo¹,

Inaba²,

Imazu³

1980

J. Phys. D: Appl. Phys.

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show abstract

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The Wall-Stabilized Ar Arc at Medium Pressures

Cited by 1 publication

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An experimental investigation of nonequilibrium effects in wall-confined argon plasma arcs

An experimental investigation of nonequilibrium effects in wall-confined argon plasma arcs

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