Journal of Engineering Physics and Thermophysics
is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex
"A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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SIMILARITY OF PLASMATRON CHARACTERISTICS
FOR LONGITUDINAL VORTEX FLOW AROUND THE ARC
WITH VARIATIONS IN THE GAS-FLOW RATE
T. V. Laktyushina, A. Marotta, and
A. I. Yas'ko
UDC 537.523
The volt-ampere characteristics (VAC) of an electric arc
are correlated with longitudinal vortex air and nitrogen flows in
plasmatrons with a rod-like cathode and two tubular electrodes. Two
types of exponent approximations are used: a simple empirical formula
and a relationship between generalized variables. It is shown by methods
of the analysis of variance that the use of generalized variables
provides similarity of the VAC upon variations in the gas-flow rate.
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