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  • cfd simulation formation of air-core in hydrocyclone

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    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 734
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     hydrocyclone is a key unit operation in mineral processing industry. hydrocyclones are designed to separate at a particular particle size where particles much larger than the cut size migrate rapidly to the wall and move downward and out into the underflow. hydrocyclone simulation using computational fluid dynamics (cfd) techniques is gaining popularity in process design. air-core dimension is key to predicting the mass split between the underflow and overflow. fluenttm 6.3 code was used to compute the dynamics of the flow. in this work influence of turbulence model of reynolds stress model (rsm) and large eddy simulation (les) on diameter of air-core was studied. in this way, modeling of hydrocyclone with air-core using multiphase vof model was done. in the present simulation, structured meshed has been used to mesh generation of the geometry of hydrocyclone. to overcome meshing obstacle, geometry was divided to sub-domains. the simulation results are verified by comparing predicted and measured air-core in the hydrocyclone. obtained results were in good agreement with literature data and showed that les model predicted air-core more accurate than rsm model.

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