Temperature measurement of an atmospheric-pressure plasma torch

Spencer Kuo, E. Koretzky, R. J. Vidmar

Research output: Contribution to journalArticle

Abstract

A simple, easy to implement alternative to using optical and thermocouple techniques to plasma temperature measurement in the range 1300-2200 K is proposed. The new diagnostic technique is based on power balance requirement for a copper wire, which is near the melting point, to be in thermal equilibrium with the plasma torch. The method is demonstrated for the measurement of the plasma torch temperature generated by a 60 Hz discharge with gas flowing between two electrodes made of tungsten wires.

Original languageEnglish (US)
Pages (from-to)3032-3034
Number of pages3
JournalReview of Scientific Instruments
Volume70
Issue number7
StatePublished - 1999

Fingerprint

Plasma torches
plasma torches
Temperature measurement
Atmospheric pressure
temperature measurement
atmospheric pressure
wire
Wire
plasma temperature
thermocouples
Thermocouples
Discharge (fluid mechanics)
melting points
Tungsten
Melting point
tungsten
Copper
Plasmas
copper
requirements

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Instrumentation

Cite this

Temperature measurement of an atmospheric-pressure plasma torch. / Kuo, Spencer; Koretzky, E.; Vidmar, R. J.

In: Review of Scientific Instruments, Vol. 70, No. 7, 1999, p. 3032-3034.

Research output: Contribution to journalArticle

Kuo, S, Koretzky, E & Vidmar, RJ 1999, 'Temperature measurement of an atmospheric-pressure plasma torch', Review of Scientific Instruments, vol. 70, no. 7, pp. 3032-3034.
Kuo, Spencer ; Koretzky, E. ; Vidmar, R. J. / Temperature measurement of an atmospheric-pressure plasma torch. In: Review of Scientific Instruments. 1999 ; Vol. 70, No. 7. pp. 3032-3034.
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