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FRACTAL BEHAVIOR OF PRESSURE-FLUCTUATIONS IN A BUBBLE COLUMN

被引：98
作者：
DRAHOS, J
BRADKA, F
PUNCOCHAR, M
机构：
[1] Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences
来源：
CHEMICAL ENGINEERING SCIENCE | 1992年 / 47卷 / 15-16期
关键词：
D O I：
10.1016/0009-2509(92)85158-8
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A fractal approach was adopted to describe the behaviour of the pressure fluctuations in a bubble column. The values of the so-called Hurst exponent computed from the rescaled range analysis were used to distinguish between the basic hydrodynamic regimes. The experimental data were compared with the simulated sequences of the fractional Brownian motion.
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页码：4069 / 4075
页数：7
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