Rayleigh-Taylor instability under an inclined plane

被引：45

作者：

Brun, P. -T. ^{[1
,2
]}

Damiano, Adam ^{[1
]}

Rieu, Pierre ^{[1
]}

Balestra, Gioele ^{[1
]}

Gallaire, Francois ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Lab Fluid Mech & Instabil, CH-1015 Lausanne, Switzerland

[2] MIT, Dept Math, Cambridge, MA 02139 USA

来源：

PHYSICS OF FLUIDS | 2015年 / 27卷 / 08期

关键词：

GLOBAL INSTABILITIES; FRONT PROPAGATION; LIQUID; DYNAMICS;

D O I：

10.1063/1.4927857

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We revisit the canonical Rayleigh-Taylor instability and investigate the case of a thin film of fluid upon the underside of an inclined plane. The presence of a natural flow along the plane competes with the conventional droplet forming instability. In particular, experiments reveal that no drops form for inclinations greater than a critical value. These features are rationalized in the context of the absolute/ convective analysis conducted in this article. (C) 2015 AIP Publishing LLC.

引用

页数：10

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