POWER CONSUMPTION OF MIXING IMPELLERS IN PSEUDOPLASTIC LIQUIDS
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概要
- 論文の詳細を見る
The authors ascertained the applicability of the method proposed by Metzner to correlate agitation power for pseudoplastic liquids. For a ribbon impeller that is effective for highly viscous liquids this method is also useful. It was found by the authors that the proportionality constant between average shear rate and impeller speed for pseudoplastic liquids can be estimated by using experimental constants of the power equation for Bingham plastic liquids. Correlated results by using estimated values showed good agreement with data for various impellers. For ribbon and anchor impellers, a correlation curve similar to that for Newtonian liquids was observed throughout the whole region of Reynolds number. For turbines and paddles, however, curves for pseudoplastic liquids deviate from Newtonian in the transition region. These phenomena were explained by the spreading of the discharge flow range as in the case of Bingham plastic liquids.
- 公益社団法人 化学工学会の論文
著者
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Nishikawa Masabumi
Department Of Advanced Energy Engineering Science Interdisciplinary Graduate School Of Engineering S
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NAGATA Shinji
Department of Agricultural Chemistry, Kochi University
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GOTOH SHINJI
Department of Chemical Engineering, Kyoto University
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TADA HISAYUKI
Department of Chemical Engineering, Kyoto University
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