Retraction and freezing of a water film on ice

被引：36

作者：

Thievenaz, Virgile ^{[1
,2
]}

Josserand, Christophe ^{[3
]}

Seon, Thomas ^{[1
,2
]}

机构：

[1] Univ Paris 06, UPMC, Sorbonne Univ, UMR 7190,Inst Alembert, F-75005 Paris, France

[2] Inst Jean Le Rond Alembert, UMR 7190, CNRS, F-75005 Paris, France

[3] Ecole Polytech, IP Paris, CNRS, Lab Hydrodynam LadHyX,UMR 7646, F-91128 Palaiseau, France

来源：

PHYSICAL REVIEW FLUIDS | 2020年 / 5卷 / 04期

关键词：

CONTACT-ANGLE; HEAT-TRANSFER; SURFACE; SOLIDIFICATION; DROPLETS; IMPACT; PARAMETERS; DYNAMICS; LINE;

D O I：

10.1103/PhysRevFluids.5.041601

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We investigate experimentally the different shapes taken by a water drop freezing during its impact on a cold surface. We show that these shapes are formed by a water film that remains on top of the first formed ice layer. The capillary hydrodynamics of this water film dewetting on its own ice, coupled with its vertical solidification, is thus quantitatively characterized, allowing us to understand and predict the formation of the emerging patterns. Finally, this experiment enables us to study the contact angle dynamics, giving deep insight into the wetting of water on ice.

引用

页数：8

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