Destabilization of a Viscous Film Flowing Down in the Form of a Vertical Cylindrical Curtain

Christophe Pirat; Christian Mathis; Manoranjan Mishra; Philippe Maiessa

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Destabilization of a Viscous Film Flowing Down in the Form of a Vertical Cylindrical Curtain

机译：以垂直圆柱帷幕形式流下的粘性薄膜的失稳

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摘要

In this Letter, we study experimentally a viscous liquid curtain in an annular geometry. Gap and median radius can be varied in such a way that the base of the initially stationary cylindrical curtain is led to oscillate by decreasing the flow rate. Standing and traveling waves in the plane of the annulus are observed and a nontrivial expression linking pulsation to flow rate per surface unit and viscosity can be defined.

机译：在这封信中，我们通过实验研究了环形几何形状的粘性液幕。间隙和中值半径可以通过以下方式改变：通过减小流速使最初固定的圆柱幕帘的底部振动。观察到环面中的驻波和行波，可以定义将脉动与每个表面单位的流速和粘度联系起来的非平凡表达式。

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来源
《Physical review letters》 |2006年第18期|p.184501.1-184501.4|共4页
作者
Christophe Pirat; Christian Mathis; Manoranjan Mishra; Philippe Maiessa;
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作者单位

Institut Non Lineaire de Nice, UMR CNRS 6618, Universite de Nice-Sophia Antipolis, 1361 Route des Lucioles, F-06560 Valbonne, France;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
surface-tension-driven instability; liquid thin films; phase transitions;

机译：表面张力驱动的不稳定性;液体薄膜;相变;

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7. Destabilization of a viscous film flowing down in the form of a vertical cylindrical curtain [O] . Pirat, Christophe, Mathis, Christian, Mishra, Manoranjan, 2006

机译：以垂直圆柱幕形式向下流动的粘性薄膜的失稳

Destabilization of a Viscous Film Flowing Down in the Form of a Vertical Cylindrical Curtain

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