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- W4234897908 abstract "The growth and dynamic characteristics of convection patterns with horizontal flow for Prandtl number Pr=0.72 were numerically simulated with 2D basic equations of fluid mechanics. The results show that, for given relative Rayleigh number Ra<sub>r</sub>=5(Rayleigh number Ra=8 540) and Reynolds number Re=22.5, the growth of the traveling wave convection pattern can be divided into 3 stages: the convection development stage, the exponential growth stage and the periodic variation stage (including the transition adaptation region and the stable periodic variation region). The average wave number in the traveling wave convection decreases with time or with the growth of the convection pattern. The exponential growth stage length in traveling wave convection becomes shorter and the growth rate of the maximum vertical velocity of convection increases with relative Rayleigh number Ra<sub>r</sub>.For Reynolds number Re=5,the growth rate of the maximum vertical velocity of convection relates with the variation of relative Rayleigh number Ra<sub>r</sub> in the form of γ<sub>m</sub>=0.004 8Ra<sup>6.065 3</sup><sub>r</sub>.In the periodic variation stage, after the transition adaptation region of the convection pattern and parameters in traveling wave convection, the convection enters the stable periodic variation region of the convection pattern and parameters. For given relative Rayleigh number Ra<sub>r</sub>=5,dimensionless period T<sub>t</sub> of traveling wave convection varying with Re can be expressed as T<sub>t</sub>=0.001 4Re<sup>2.363 5</sup>." @default.
- W4234897908 created "2022-05-12" @default.
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- W4234897908 date "2020-01-01" @default.
- W4234897908 modified "2023-09-30" @default.
- W4234897908 title "具有水平流动的对流斑图成长和动力学特性" @default.
- W4234897908 doi "https://doi.org/10.21656/1000-0887.410104" @default.
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