Caractérisation spectroscopique d’un arc stabilisé dans l’argon pollué par de l’eau et du cuivre

Bultel, Arnaud; Favre, Aurélien; Morel, Vincent; Benredjem, D.; Tchang-Brillet, Wan-Ü Lydia; Wyart, J.-F.; Teulet, Philippe; Schneider, I. F.

doi:10.18145/jitipee.v5i2.223

2019

DOI: 10.18145/jitipee.v5i2.223

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Caractérisation spectroscopique d’un arc stabilisé dans l’argon pollué par de l’eau et du cuivre

Arnaud Bultel

Aurélien Favre

Vincent Morel

et al.

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Transport Coefficients of Air - PMMA Mixtures Thermal Plasmas

Karim¹,

Nièssan²,

Charles³

et al. 2020

AJMSE

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The transport coefficients of Air-PMMA mixtures thermal plasmas is important to estimate the performances of cutting of the electrical arc in this gas by a circuit breaker. In this paper, Air-PMMA mixtures thermal plasmas dynamical viscosity, thermal and electrical conductivities coefficients are calculated in a temperature range from 5000K to 30000K. The calculations are made by supposing thermodynamic equilibrium at pressure of 1 bar to 10 bar. The results of the calculations show the influence of the initial proportion of PMMA but also that of the pressure on the mixture plasma transport coefficients. As the efficiency of the breaking of the electric current by the circuit breaker depends closely on the thermal and electrical characteristics of the extinguishing medium, this extinguishing medium should have a high thermal conductivity and an electrical conductivity varying rapidly with temperature. The plasma of the mixture constituted by 80% of air and 20% of PMMA presents at first sight best characteristics for the breaking of electric current. It has the highest thermal conductivity peak among the plasmas of the mixtures studied.

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Transport Coefficients of Air - PMMA Mixtures Thermal Plasmas

Karim¹,

Nièssan²,

Charles³

et al. 2020

AJMSE

View full text Add to dashboard Cite

show abstract

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Caractérisation spectroscopique d’un arc stabilisé dans l’argon pollué par de l’eau et du cuivre

Cited by 1 publication

References 0 publications

Transport Coefficients of Air - PMMA Mixtures Thermal Plasmas

Transport Coefficients of Air - PMMA Mixtures Thermal Plasmas

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