Viscous cavities

被引：21
|
作者：
Le Goff, Anne [1 ,2 ]
Quere, David [1 ,3 ]
Clanet, Christophe [1 ,3 ]
机构：
[1] ESPCI, PMMH, CNRS, UMR 7636, F-75005 Paris, France
[2] ESPCI, MMN, CNRS, Gulliver,UMR 7083, F-75005 Paris, France
[3] Ecole Polytech, LadHyX, CNRS, UMR 7646, F-91128 Palaiseau, France
来源：
PHYSICS OF FLUIDS | 2013年 / 25卷 / 04期
关键词：
WATER ENTRY; GRANULAR JETS; DYNAMICS; IMPACT; SPHERES; FLUID;
D O I：
10.1063/1.4797499
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We study experimentally the impact of solid spheres in a viscous liquid at moderate Reynolds numbers (Re similar to 5-100). We first determine the drag force by following the slowdown dynamics of projectiles. We then focus on the shape of the free surface: such impacts generate cavities, whose original shape is described and modeled. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4797499]
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页数：7
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