Temperature measurement of an atmospheric-pressure plasma torch

S. P. 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
DOIs
StatePublished - 1999

ASJC Scopus subject areas

  • Instrumentation

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