ROTATING RAYLEIGH-BENARD CONVECTION - ASPECT-RATIO DEPENDENCE OF THE INITIAL BIFURCATIONS

被引:46
作者
NING, L [1 ]
ECKE, RE [1 ]
机构
[1] LOS ALAMOS NATL LAB,CTR NONLINEAR STUDIES,LOS ALAMOS,NM 87545
来源
PHYSICAL REVIEW E | 1993年 / 47卷 / 05期
关键词
D O I
10.1103/PhysRevE.47.3326
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 initial bifurcations in rotating Rayleigh-Benard convection are studied in the range of dimensionless rotation rate 0 < OMEGA < 2150 for a cylindrical cell with an aspect ratio of 2.5. We used simultaneous optical-shadowgraph, heat-transport, and local-temperature measurements to determine the stability and characteristics of the azimuthally periodic wall convection state. We also show that the second transition corresponds to the onset of bulk convection. Our results for critical Rayleigh numbers, precession frequencies, and critical mode numbers agree well with theoretical results. The dynamics of the wall convection state can be described by a complex Ginzburg-Landau amplitude equation.
引用
收藏
页码:3326 / 3333
页数:8
相关论文
共 22 条
  • [1] THE AMPLITUDE EQUATION NEAR THE CONVECTIVE THRESHOLD - APPLICATION TO TIME-DEPENDENT HEATING EXPERIMENTS
    AHLERS, G
    CROSS, MC
    HOHENBERG, PC
    SAFRAN, S
    [J]. JOURNAL OF FLUID MECHANICS, 1981, 110 (SEP) : 297 - 334
  • [2] EFFECT OF ROTATION ON THE STABILITY OF A BOUNDED CYLINDRICAL LAYER OF FLUID HEATED FROM BELOW
    BUELL, JC
    CATTON, I
    [J]. PHYSICS OF FLUIDS, 1983, 26 (04) : 892 - 896
  • [3] BUSSE FH, 1981, TRANSITION TURBULENC
  • [4] CHANDRASEKHAR S, 1961, HYDRODYNAMIC HDYROMA
  • [5] THERMOCONVECTIVE INSTABILITY IN A BOUNDED CYLINDRICAL FLUID LAYER
    CHARLSON, GS
    SANI, RL
    [J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 1970, 13 (09) : 1479 - &
  • [6] NON-LINEAR PROPERTIES OF CONVECTION ROLLS IN A HORIZONTAL LAYER ROTATING ABOUT A VERTICAL AXIS
    CLEVER, RM
    BUSSE, FH
    [J]. JOURNAL OF FLUID MECHANICS, 1979, 94 (OCT) : 609 - 627
  • [7] HOPF-BIFURCATION WITH BROKEN REFLECTION SYMMETRY IN ROTATING RAYLEIGH-BENARD CONVECTION
    ECKE, RE
    ZHONG, F
    KNOBLOCH, E
    [J]. EUROPHYSICS LETTERS, 1992, 19 (03): : 177 - 182
  • [8] CONVECTION IN A ROTATING CYLINDER .1. LINEAR-THEORY FOR MODERATE PRANDTL NUMBERS
    GOLDSTEIN, HF
    KNOBLOCH, E
    MERCADER, I
    NET, M
    [J]. JOURNAL OF FLUID MECHANICS, 1993, 248 : 583 - 604
  • [9] STABILITY OF A RADIALLY BOUNDED ROTATING FLUID HEATED FROM BELOW
    HOMSY, GH
    HUDSON, JL
    [J]. APPLIED SCIENTIFIC RESEARCH, 1972, 26 (1-2): : 53 - &
  • [10] THE ECKHAUS INSTABILITY FOR TRAVELING WAVES
    JANIAUD, B
    PUMIR, A
    BENSIMON, D
    CROQUETTE, V
    RICHTER, H
    KRAMER, L
    [J]. PHYSICA D, 1992, 55 (3-4): : 269 - 286