High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
Published 4 issues per year
ISSN Print: 1093-3611
ISSN Online: 1940-4360
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0.4
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0.1
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0.00005
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0.07
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0.198
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0.48
CiteScore™::
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20
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Characterization of the acoustic behavior of an argon plasma torch
Volume 3,
Issue 2-3, 1999,
pp. 221-225
DOI: 10.1615/HighTempMatProc.v3.i2-3.70
ABSTRACT
We measured the acoustic frequencies emitted by an argon plasma torch. At constant intensity, acting on the anode - cathode distance, indirectly monitored the arc voltage. The results on the evolution of the observed acoustic frequencies suggest that their position is mainly a function of the arc temperature. The poorness of the arc temperature estimation from enthalpy balance does not allow to ascertain that it is the case. Direct measurements on the arc column must be performed to demonstrate this hypothesis.
KEY WORDS: plasma torches, plasma acoustic
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