Magnetohydrodynamic Simulation of DC Arc Plasma under AC Magnetic Field
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概要
- 論文の詳細を見る
Direct current (DC) thermal plasma, shape controlled by use of alternative current (AC) magnetic field enables the wide area of thermal treatment and has potentials of applications other than welding. In this paper, the behavior of DC plasma under AC magnetic field imposed perpendicular to the plasma current is discussed experimentally and theoretically by changing various parameters such as plasma electric current, nozzle diameter, argon flow rate and magnetic flux density including its wave form. As the theoretical study, DC plasma was mathematically modeled by use of three dimensional magnetohydrodynamics (MHD) theory and discussed through numerical simulations performed by full finite volume method approach. Then the DC arc plasma motion under sinusoidal AC magnetic field is discussed through MHD analysis. By these experimental and theoretical investigations, the controlling parameters of DC plasma by AC magnetic field have been made clear quantitatively.
- 社団法人 日本鉄鋼協会の論文
- 2005-07-15
著者
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Takeda Koichi
Department of Pathology, Wakayama Medical University
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YAMAMOTO Takeo
Department of Applied Physics, Tohoku University
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TOH Takehiko
Technical Development Bureau, Nippon Steel Corporation
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Toh Takehiko
Technical Development Bureau Nippon Steel Corporation
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TANAKA Jun
Technical Development Bureau, Nippon Steel Corporation
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MARUKI Yasuo
Technical Development Bureau, Nippon Steel Corporation
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Maruki Yasuo
Technical Development Bureau Nippon Steel Corporation
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Takeda Koichi
Faculty Of Systems Science And Technology Akita Prefectural University
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Takeda Koichi
Department Of Machine Intelligence And System Engineering Akita Prefectural University
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Yamamoto Takeo
Department Of Machine Intelligence And System Engineering Akita Prefectural University
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Yamamoto Takeo
Department Of Applied Physics Tohoku University
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Tanaka Jun
Technical Development Bureau Nippon Steel Corporation
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Takeda Koichi
Department Of Electronic Engineering Tohoku University
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Takeda Koichi
Department of Biological Science and Technology, Faculty of Engineering, The University of Tokushima
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