NUMERICAL ANALYSIS OF POWER CONSUMPTION AND MIXING TIME FOR A PSEUDOPLASTIC LIQUID IN GEOMETRICALLY SIMILAR STIRRED VESSELS WITH SEVERAL KINDS OF PLATE-TYPE IMPELLERS
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概要
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A numerical analysis method of estimating power consumption for a pseudoplastic liquid in stirred vessels fitted with various plate impellers is first presented in terms of the energy dissipation distribution in the vessels. The pseudoplastic liquid used was a 1.2 wt.% aqueous solution of hydroxyethyl cellulose. Good agreement between numerically analysed results and experimental data of power consumption in a model vessel of 0.2 m diameter with various impellers and in a vessel of 0.4 m diameter with a paddle impeller proved the method to be sufficiently reliable. Subsequently, the same analysis and mixing analysis were numerically performed for geometrically similar large-scale vessels of 0.4, 0.6 and 0.8 m diameters. It was ascertained from these analyses that the relation between the scale-up ratio and the power consumption, mixing time, and mixing energy can be quantitatively estimated by a numerical analysis of stirred vessels with various types of stirring impellers for a pseudoplastic liquid.
- 社団法人 化学工学会の論文
- 1994-02-20
著者
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Kaminoyama Meguru
Department of Chemical System Engineering, Yokohama National University
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Kaminoyama Meguru
Department Of Material Science And Chemical Engineering Yokohama National University
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ARAI Kazuyoshi
Department of Material Science and Chemical Engineering, Yokohama National University
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KAMIWANO Mitsuo
Department of Material Science and Chemical Engineering, Yokohama National University
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Arai Kazuyoshi
Department Of Material Science And Chemical Engineering Yokohama National University
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Kamiwano Mitsuo
Department Of Chemical Engineering Faculty Of Engineering Yokohama National University
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Kaminoyama Meguru
Department Of Chemical System Engineering Yokohama National University
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