Analysis of a melting wire temperature probe applied to a plasma torch

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A simple method to make a temperature measuremenitn an atmosphericp ressurep lasmat orch with a density of 1013 electrons/cm3is developed.T he method is based on thermal equilibrium and a detail analysis of heat loss from a copper wire placed in a torch. The wire diameter, which regulates heat loss, is systematically reduced to increase the temperature of the wire segment in the torch. At a critical wire diameter, the wire is about to melt suggesting that its temperature in the torch is reaching to the wire melting temperature. This temperature and an analysis of heat input from the torch and heat loss from the wire combine to provide a useful although approximate temperaturem easurementin the 1300- 2200 K range. Using this technique, the temperature of a plasma torch was determined to be approximately 1760 K.

Original languageEnglish (US)
Title of host publication30th Plasmadynamic and Lasers Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9780000000002
StatePublished - 1999
Event30th Plasmadynamic and Lasers Conference, 1999 - Norfolk, United States
Duration: Jun 28 1999Jul 1 1999

Other

Other30th Plasmadynamic and Lasers Conference, 1999
CountryUnited States
CityNorfolk
Period6/28/997/1/99

Fingerprint

Plasma torches
Melting
Wire
Heat losses
Temperature
Melting point
Copper
Electrons

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kuo, S., Koretzky, E., & Vidnlar, R. J. (1999). Analysis of a melting wire temperature probe applied to a plasma torch. In 30th Plasmadynamic and Lasers Conference [AIAA-99-3435] American Institute of Aeronautics and Astronautics Inc, AIAA.

Analysis of a melting wire temperature probe applied to a plasma torch. / Kuo, Spencer; Koretzky, E.; Vidnlar, R. J.

30th Plasmadynamic and Lasers Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 1999. AIAA-99-3435.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kuo, S, Koretzky, E & Vidnlar, RJ 1999, Analysis of a melting wire temperature probe applied to a plasma torch. in 30th Plasmadynamic and Lasers Conference., AIAA-99-3435, American Institute of Aeronautics and Astronautics Inc, AIAA, 30th Plasmadynamic and Lasers Conference, 1999, Norfolk, United States, 6/28/99.
Kuo S, Koretzky E, Vidnlar RJ. Analysis of a melting wire temperature probe applied to a plasma torch. In 30th Plasmadynamic and Lasers Conference. American Institute of Aeronautics and Astronautics Inc, AIAA. 1999. AIAA-99-3435
Kuo, Spencer ; Koretzky, E. ; Vidnlar, R. J. / Analysis of a melting wire temperature probe applied to a plasma torch. 30th Plasmadynamic and Lasers Conference. American Institute of Aeronautics and Astronautics Inc, AIAA, 1999.
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