Drag reduction on hydraulic transport of solids. Effects of polymer and fine solid particle additives.
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概要
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Experiments for drag reduction on the hydraulic transport of a solid have been carried out using polymer solutions and SiO<SUB>2</SUB> slurries. It is clear that the pressure loss of the case of polymer solutions decreases in the high mean velocity range by comparison with the case of water, and that of SiO<SUB>2</SUB> slurries decreases in the low mean velocity range. The drag coefficient of a solid in SiO<SUB>2</SUB> slurries has been obtained through the measurement of the terminal velocity using a ultrasonic transducer, and the experimental data of pressure loss of the circular and spiral tubes has been correlated with the experimental formula.
- 一般社団法人 日本機械学会の論文
一般社団法人 日本機械学会 | 論文
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