On the mechanism of drag reduction in dilute polymer solutions

被引：0
|
作者：
Hoyer, K
Gyr, A
Tsinober, A
机构：
[1] UNIV CALIF SANTA BARBARA,DEPT MECH ENGN,SANTA BARBARA,CA 93106
[2] TEL AVIV UNIV,FAC ENGN,IL-69978 TEL AVIV,ISRAEL
来源：
APPLIED SCIENTIFIC RESEARCH | 1995年 / 55卷 / 04期
关键词：
drag reduction;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experimental evidence is given that drag reducing polymer molecules are preferentially collected by strained vortices. This can explain why extremely small amounts of additives can be so effective. They become concentrated in areas of a turbulent flow where they are most efficient.
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页码：289 / 295
页数：7
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