Water Model Experiments on Mixing Phenomena in a VOD Ladle
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概要
- 論文の詳細を見る
Mixing phenomena in a VOD ladle were characterized by a watermodel simulation from the determination of mixing times by electrical conductivity measurements. Two mixing times defined for two degrees of mixing, <I>viz.</I>, <I>t</I>95 (95 % mixing) and <I>t</I>99 (99 % mixing) were identified for each experiment. Various operating conditions as well as different placements of bottom nozzle with and without a top jet were simulated. Irrespective of whether the top blow is present or not, mixing rates were found to be increasing considerably as the nozzle position is moved from the center to the mid-radius position. The presence of a top jet, as in a VOD ladle, was found to weaken mixing for both a coaxial and non coaxial placement of the lance with the bubble plume. The results of watermodel experiments have been used to construct a simple two-tank model of mixing inside the actual ladle, in which the parameters are obtained as functions of process variables.
- 社団法人 日本鉄鋼協会の論文
- 1999-05-15
著者
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Ballal N.
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology
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Ballal N.
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology Bombay
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Krishnakumar K
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology Bombay
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Krishnakumar K.
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology Bombay
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SINHA P.
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay
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SARDAR M.
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay
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JHA K.
Department of Metallurgical Engineering and Materials Science, Indian Institute of Technology Bombay
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Sardar M.
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology Bombay
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Sinha P.
Department Of Anatomy Free University Of Berlin
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Sinha P.
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology Bombay
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Jha K.
Department Of Metallurgical Engineering And Materials Science Indian Institute Of Technology Bombay
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