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ZHOU Yu-huan, FU Qiang. STRUCTURE CHARACTERS OF RAYLEIGH-BÉNARD CONVECTION AND ITS MULTIFRACTAL SPECTRUM[J]. Engineering Mechanics, 2008, 25(7): 52-056,.
Citation: ZHOU Yu-huan, FU Qiang. STRUCTURE CHARACTERS OF RAYLEIGH-BÉNARD CONVECTION AND ITS MULTIFRACTAL SPECTRUM[J]. Engineering Mechanics, 2008, 25(7): 52-056,.
shu

STRUCTURE CHARACTERS OF RAYLEIGH-BÉNARD CONVECTION AND ITS MULTIFRACTAL SPECTRUM

  • (1. Institute of Communications Engineering, PLA University of Science and Technology, Nanjing, Jiangsu 210007, China; 2. Research Centre of Fluid Mechanics, Institute of Science, PLA University of Science and Technology, Nanjing, Jiangsu 211101, China)

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
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  • This paper introduces fractal and multifractal theory, as well as the application of the WTMM method to compute the multifractal spectrum. Then the multifractal spectrum of the 2-6-2 Cantor Set is analyzed theoretically and by the WTMM method, so that the physical significance of the multifractal spectrum is obtained. The temperature signals of Rayleigh-Bénard convection is analyzed using the WTMM method. It is found that the WTMM is a feasible method to analyze the multifractal spectrum. The multifractal structure of Rayleigh-Bénard convection change gradually from center to edge.
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