流体机械

2012, v.40;No.478(04) 25-30

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柱形旋流器入口结构对油水分离影响的数值模拟
Optimizing the Inlet Design of A Liquid-liquid Cylindrical Cyclone

史仕荧,吴应湘,孙焕强,刘海飞,张健
SHI Shi-ying,WU Ying-xiang,SUN Huan-qiang,LIU Hai-fei,ZHANG Jian (Institute of Mechanics

摘要(Abstract):

通过数值模拟,分析了入口结构对油水在柱形旋流器中分离性能的影响。数值模拟时,油水两相流动采用Fluent中的混合模型,相间的相对运动采用代数滑移模型,湍流影响则使用修正的RNG K-ε湍流模型。获得了入口形状、入口方式和入口位置对柱形旋流器油水分离性能的影响。这些结果为优化柱形旋流器结构奠定了基础。
The influence of inlet structure on oil-water separation in a cylindrical cyclone is simulated in this paper.The algebraic slip model which used to simulate the relative motion between water(continuous phase) and oil(particle phase),mixture model in fluent and the RNG K-ε turbulent model are adopted using numerical simulation by Fluent software.The effect of inlet shapes、inlet cross-sectional shape and the height of inlet on oil-water separation characteristics in a liquid-liquid cylindrical cyclone have been analyzed.The numerical simulation can provide a foundation for structural optimization design of cylindrical cyclones.

关键词(KeyWords): 柱形旋流分离器;油水分离;入口结构;数值模拟
cylindrical cyclone;oil-water separation;inlet structure;numerical simulation

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作者(Author): 史仕荧,吴应湘,孙焕强,刘海飞,张健
SHI Shi-ying,WU Ying-xiang,SUN Huan-qiang,LIU Hai-fei,ZHANG Jian (Institute of Mechanics

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