Drag Reduction of Bacterial Cellulose Suspensions

被引：9

作者：

Ogata, Satoshi ^{[1
]}

Numakawa, Tetsuya ^{[1
]}

Kubo, Takuya ^{[1
]}

机构：

[1] Tokyo Metropolitan Univ, Dept Sci & Engn, Tokyo 1920397, Japan

来源：

ADVANCES IN MECHANICAL ENGINEERING | 2011年

关键词：

FLOW;

D O I：

10.1155/2011/528373

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Drag reduction due to bacterial cellulose suspensions with small environmental loading was investigated. Experiments were carried out by measuring the pressure drop in pipe flow. It was found that bacterial cellulose suspensions give rise to drag reduction in the turbulent flow range. We observed a maximum drag reduction ratio of 11% and found that it increased with the concentration of the bacterial cellulose suspension. However, the drag reduction effect decreased in the presence of mechanical shear.

引用

页数：6

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