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A Comparison of the Experimentally Measured and Theoretically Predicted Temperature Profiles for an Argon Plasma Jet Discharging into a Nitrogen Environment

Published online by Cambridge University Press:  21 February 2011

A.H. Dilawari ,
J. Szekely ,
R. Westhoff ,
B. A. Detering  and
C.B. Shaw Jr
A.H. Dilawari
Affiliation:
Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA. 02139
J. Szekely
Affiliation:
Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA. 02139
R. Westhoff
Affiliation:
Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA. 02139
B. A. Detering
Affiliation:
Idaho National Materials Technology Engineering Laboratory, Idaho Falls, ID. 83415–2210
C.B. Shaw Jr
Affiliation:
Idaho National Materials Technology Engineering Laboratory, Idaho Falls, ID. 83415–2210
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Abstract

Experimental measurements and computed results are reported, describing the behavior of a non-transferred arc plasma torch operating in a laminar mode, discharging into a nitrogen environment. The experimental measurements of the temperature fields in the vicinity of the torch exit, obtained using emission spectroscopy, were compared with theoretical predictions. The calculations were based on the solution of the axi-symmetric heat, mass, momentum, and species balance equations. The theoretical predictions were found to be in excellent agreement with measurement, with the error usually being in the 5–10% range and the maximum error being about 15%.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 190: Symposium M – Plasma Processing and Synthesis of Materials III , 1990 , 199
Copyright
Copyright © Materials Research Society 1991

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References

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