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Atmospheric Argon Free burning Arcs with a Simplified Unified Model Using CFD-Arc Modeling
Author(s) -
Wonho Lee,
JongChul Lee
Publication year - 2013
Publication title -
acta polytechnica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.207
H-Index - 15
eISSN - 1805-2363
pISSN - 1210-2709
DOI - 10.14311/1757
Subject(s) - arc (geometry) , anode , argon , cathode , electrode , mechanics , electric arc , atmospheric pressure , computational fluid dynamics , plasma arc welding , work (physics) , materials science , atomic physics , chemistry , thermodynamics , physics , meteorology , electrical engineering , mechanical engineering , engineering
Free burning arcs, where the work piece acts as an anode, are frequently used for a number of applications. Our investigation is exclusively concerned with a simplified unified model of arcs and their electrodes under steady state conditions at atmospheric pressure. The model is used to make predictions of arc and electrode temperatures and arc voltage for a 200 A arc in argon. The computed temperatures along the axis between the cathode tip and the anode surface compare well the measured data.

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