Geometric effects on convective coupling and interfacial structures in bilayer convection

被引:20
作者
Johnson, D
Narayanan, R
机构
[1] Department of Chemical Engineering, 227 Chemical Engineering Building University of Florida, Gainesville, FL
来源
PHYSICAL REVIEW E | 1997年 / 56卷 / 05期
关键词
D O I
10.1103/PhysRevE.56.5462
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
The effects of boundaries on bila,ver convection in a cylinder with idealized boundary conditions an studied. Using as examples two bilayer systems, a plot of the Rayleigh number versus aspect ratio (radius-height) is calculated. For certain systems, the type of convection coupling, either thermal or viscous, will change as the width of the container changes. even as the height is fixed. Additionally, the interfacial structure is calculated to help identify the driving force for the convection. Sudden changes in the convection coupling and the dominant driving force of convection are found as the container radius increased. The oscillatory onset of convection and the possibility of oscillating nonlinear dynamics are also identified.
引用
收藏
页码:5462 / 5472
页数:11
相关论文
共 19 条
[1]  
ANDEREK CD, 1996, ADV MULTIFLUID FLOWS, V3
[2]  
Canuto C., 2012, SPECTRAL METHODS FLU
[3]  
CARDIN P, 1991, J PHYS II, V1, P599, DOI 10.1051/jp2:1991193
[4]   ON THE HOPF-BIFURCATION OCCURRING IN THE 2-LAYER RAYLEIGH-BENARD CONVECTIVE INSTABILITY [J].
COLINET, P ;
LEGROS, JC .
PHYSICS OF FLUIDS, 1994, 6 (08) :2631-2639
[5]   Benard-Marangoni instability in rigid rectangular containers [J].
Dauby, PC ;
Lebon, G .
JOURNAL OF FLUID MECHANICS, 1996, 329 :25-64
[6]   Linear Benard-Marangoni instability in rigid circular containers [J].
Dauby, PC ;
Lebon, G ;
Bouhy, E .
PHYSICAL REVIEW E, 1997, 56 (01) :520-530
[7]   ONSET OF RAYLEIGH-BENARD-MARANGONI INSTABILITY - COMPARISON BETWEEN THEORY AND EXPERIMENT [J].
FERM, EN ;
WOLLKIND, DJ .
JOURNAL OF NON-EQUILIBRIUM THERMODYNAMICS, 1982, 7 (03) :169-190
[8]   THE 2/1 STEADY/HOPF MODE INTERACTION IN THE 2-LAYER BENARD-PROBLEM [J].
FUJIMURA, K ;
RENARDY, YY .
PHYSICA D-NONLINEAR PHENOMENA, 1995, 85 (1-2) :25-65
[9]   Experimental observation of dynamic mode switching in interfacial-tension-driven convection near a codimension-two point [J].
Johnson, D ;
Narayanan, R .
PHYSICAL REVIEW E, 1996, 54 (04) :R3102-R3104
[10]  
JOHNSON D, IN PRESS J FLUID MEC