Flow induced patterning at the air-water interface

被引：19
|
作者：
Miraghaie, R
Lopez, JM
Hirsa, AH [1 ]
机构：
[1] Rensselaer Polytech Inst, Dept Mech Aerosp & Nucl Engn, Troy, NY 12180 USA
[2] Arizona State Univ, Dept Math & Stat, Tempe, AZ 85287 USA
来源：
PHYSICS OF FLUIDS | 2003年 / 15卷 / 06期
关键词：
ENCLOSED SWIRLING FLOW; FREE-SURFACE; MOLECULAR-ORIENTATION; AIR/WATER INTERFACE; INSOLUBLE MONOLAYER; MODE INTERACTIONS; CYLINDER; INSTABILITY; PARTICLES; SYMMETRY;
D O I：
10.1063/1.1572163
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Patterns on the air - water interface of a swirling cylinder flow are produced via hydrodynamic symmetry- breaking instability of the bulk flow. The patterns are rotating waves breaking the axisymmetry of the system and are longitudinal at the free surface ( i. e., not surface deforming). Qualitative observations and quantitative measurements of velocity and vorticity are provided. Three- dimensional Navier - Stokes computations identify the symmetry- breaking mode responsible for the waves. These waves are then used to pattern Langmuir monolayers at concentrations sufficiently below saturation. (C) 2003 American Institute of Physics.
引用
收藏
页码：L45 / L48
页数：4
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