Preprints of the National Meeting of JWS
the national meeting 2007 spring
Session ID : 301
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Host: Japan Welding Society

A Unified Numerical Model of Oxygen Plasma Jet at Atmospheric Pressure
*Manabu TANAKA, Shinichi TASHIRO, Masakazu SHIBAHARA, Kazushi TANAKA, Yoshimi SANO, Satoshi WATANABE
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Keywords: Plasma jet, Oxygen, Cutting, Hafnium, Numerical model
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Abstract
The whole region of oxygen plasma jet, namely, a hafnium electrode as a cathode buried in the water-cooled copper sheath, an arc plasma and a copper nozzle as an anode is treated in a unified numerical model. Calculations are made for the two-dimensional distributions of temperature and fluid flow velocity in the whole region of the oxygen plasma jet for a 400 A in arc current.
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© 2007 by Japan Welding Society
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