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《China Powder Science and Technology》 2001-03
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Analyzing Components of Pressure Fluctuation in Gas solid Fluidized Bed

ZHAO Gui bing 1,LI Tian duo 2, YANG Yong rong 1,WANG Feng yan 2 (1. Department of Chemical Engineering, Zhejiang University,Zhejiang,Hangzhou,310027; 2.Department of Light Chemical Engineering,Shandong Institute of Light Industr  
The properties and components of pressure fluctuation signals in gas solid fluidized bed was dissected quantitatively by using power spectrum analysis,R/S analysis and chaos analysis.This research shows that signals of prseeure fluctuation can be decomposed into two parts.One is random signal,such as noise;the other is deterministic signal,such as periodic signaland chaos signal.Chaos signal is seeming as random aperiodic behavior and is the product of determinism.
【CateGory Index】: TQ021
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