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Prog. Theor. Phys. Vol. 97 No. 6 (1997) pp. 831-848

[ Full Text PDF : FREE ACCESS (1047K) ]

Modulated Traveling Waves in Binary Fluid Convection in an Intermediate-Aspect-Ratio Rectangular Cell

Lizhong Ning, Yoshifumi Harada and Hideo Yahata*

Department of Applied Physics, Faculty of Engineering
Fukui University, Fukui 910
*Department of Materials Science, Faculty of Science
Hiroshima University, Higashi-Hiroshima 739

(Received September 19, 1996)

Abstract:

The mechanism of the transition from the conductive state to the localized traveling wave (LTW) near the onset of binary fluid convection in a rectangular cell with the intermediate aspect ratio Γ=12 and the separation ratio ψ=-0.11 is studied by using a two-dimensional numerical simulation of the full hydrodynamic equations. The result shows that counterpropagating waves (CPW) are generated and modulated until the system evolves to a spatially modulated traveling wave (MTW) which is called an LTW. This type of spatially and temporally modulated counterpropagating waves (MCPW) is similar to the blinking state observed for very small negative values of the separation ratio and plays an important role in the formation of the LTW.


URL : http://ptp.ipap.jp/link?PTP/97/831/
DOI : 10.1143/PTP.97.831

[ Full Text PDF : FREE ACCESS (1047K) ] Citation:

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 98 No. 3 (1997) pp. 551-566 :
    Formation Process of the Traveling-Wave State with a Defect in Binary Fluid Convection
    Lizhong Ning, Yoshifumi Harada and Hideo Yahata
  2. Progress of Theoretical Physics Vol. 106 No. 3 (2001) pp. 503-512 :
    Fully-Developed Traveling Wave Convection in Binary Fluid Mixtures with Lateral Flow
    Lizhong Ning, Yoshifumi Harada, Hideo Yahata and Jianzhong Li
  3. Progress of Theoretical Physics Vol. 106 No. 6 (2001) pp. 1115-1128 :
    Nonlinear Convective States in a Fluid Mixture with Through-Flow
    Guo-Dong Li, Atsushi Ogawa and Yoshifumi Harada

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