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On the Allowance for the Temperature Dependence of Plasma Properties for Selection of Dimensionless Numbers to Correlate Characteristics of Electric Arcs

Published online by Cambridge University Press:  15 February 2011

V.A. Vashkevich ,
S.K. Kravchenko ,
T.V. Laktyushina  and
O.I. Yasko
V.A. Vashkevich
Affiliation:
Luikov Heat and Mass Transfer Institute, Minsk 22o728, Ussr
S.K. Kravchenko
Affiliation:
Luikov Heat and Mass Transfer Institute, Minsk 22o728, Ussr
T.V. Laktyushina
Affiliation:
Luikov Heat and Mass Transfer Institute, Minsk 22o728, Ussr
O.I. Yasko
Affiliation:
Luikov Heat and Mass Transfer Institute, Minsk 22o728, Ussr
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Abstract

Plasma properties as a function of heat conduction are approximated by the power-law relation, for instance, σ= σo (S*/So)nσ. Then, the temperature effect on the dimensionless number is allowed for by a factor, (S*/So)γ, the value of which is estimated by equating the dominant number or the whole set of numbers to unity. Substituting this value into the generalized equation gives the form of the correlation function. A relative contribution of each number, K1, is determined from the comparison of the exponents of the dimensionless numbers with the experimental ones.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 30: Symposium L – Plasma Processing and Synthesis of Materials I , 1983 , 255
Copyright
Copyright © Materials Research Society 1984

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References

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