NUMERICAL SIMULATION OF FINE PARTICLE SEPARATION IN A ROTATIONAL TUBE

This paper presents a numerical analysis of gas-solid separation in a rotational tube separator. This separator which collects fine particles from gas in laminar flow is effective for fine particle separation. The separation efficiency and critical particle diameter of the separator were simulated using CFD package (FLUENT 6.0). The simulation showed that separation efficiency can be significantly decreased due to the presence of turbulence. The simulation also showed that the Saffman lift force has little effect on the efficiency of this separator. The critical particle diameter of this tube separator was also calculated theoretically. Some experimental data were provided to validate the simulation results. Comparison between experimental results and simulation predictions on separation efficiency showed satisfactory agreement.

作 者： Jinyu Jiao Ying Zheng Guogang Sun   作者單位： Jinyu Jiao,Ying Zheng(Department of Chemical Engineering, University of New Brunswick, 15 Dineen Drive, P.O. Box 4400, Fredericton, N.B., E3B 5A3, Canada)

Guogang Sun(Departments of Chemical Engineering, University of Petroleum, Beijing 102249, 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： fine particle separation   numerical simulation   rotational tube separator  

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