POWER LAW DISTRIBUTION AND SELF-ORGANIZED CRITICALITY OF DISPERSED PARTICLES

Research on particulate characteristics has been an important frontier in physics and chemistry during the past decades. It has however been mostly focused on granular materials with short-range interactions. In this work, it was found that the power law of particle size distribution applied to the long-range interacting system of floating dust in air,from which we deduced that self-organized criticality might hold for floating dust just as granular materials with short-range interactions. This feature may reveal underlying kinetic mechanisms, important in dispersed particle systems.In industry, power law of size distribution of dispersed particles can be used to investigate the change of dust size, and the power law parameter could be taken as an important index for dust separation.

作 者： Degang Ma Lihe Chai   作者單位： School of Environmental Science and Technology, Tianjin University, Tianjin 300072, P. R. China  刊 名： 中國顆粒學報（英文版）  ISTIC SCI 英文刊名： CHINESE PARTICUOLOGY  年，卷(期)： 2005 3(4)  分類號： O6  關鍵詞： dispersed particle   floating dust   self-organized criticality   power law  

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