Drag Reduction of a Circular Cylinder with a Highly Water-Repellent Wall.
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概要
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Flow past a circular cylinder with a highly water-repellent wall has been investigated using a flow visualization technique at Re=50. Test cylinder is 20 mm in diameter. The basic material of the highly water-repellent coating is fluorine alkane modified acrylic resin with added hydrophobic silica, which was left overnight in air after it was coated to the cylinder wall. The flow patterns agreed with that of the analytical results obtained by applying the fluid slip boundary condition. The maximum value of the drag reduction ratio was about 25% for the highly water-repellent wall cylinder at Re=50.
- 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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