DRAG FORCE ON A SPHERE MOVING IN PLASTIC FLUID

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概要

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• The drag force on a sphere is described generally as the relation of the drag coefficient CD and Reynolds number ReN for a Newtonian fluid. In the case of a non-Newtonian fluid, it is desirable that the drag force is described as for a Newtonian fluid. Thus, a generalized Reynolds number Re*, which can be expected to play the equivalent role of ReN in Newtonian fluids, has been introduced from "similarity law of energy dissipation". As was expected, a good correlation of CD and Re* has been obtained in the whole range of the experiment where the falling ball method was used with slurries of clay which could be assumed to be Bingham plastic fluids.

• 公益社団法人 化学工学会の論文

著者

• ITO SHIRO

  Dept. of Chem. Eng Tokyo Institute of Technology

• KAJIUCHI TOSHIO

  Dept. of Chem. Eng Tokyo Institute of Technology

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• DRAG FORCE ON A SPHERE MOVING IN PLASTIC FLUID

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