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Numerical and experimental study of the flow field and particle separation through cyclone separator

Pubblicazione


Autore: H. El-Batsh, A.A. Abd El-Hamied, M.H. Hamed

Collana: BT - 34 - Mag 06 - Energy: production, distribution and conservation

Note:
The present work aims to investigate the flow field and particle separation process in cyclones using numerical calculations as well as experimental measurements. In addition, the effects of cyclone size and inlet flow velocity on cyclone performance are investigated. Therefore, Eurlean-Lagrangian two-phase flow model is presented to solve particulate flow in cyclone separator. The steady incompressible flow field is calculated using the Reynolds Averaged Navier-Stokes equations. The Reynolds Stress Model is used to solve the swirl turbulent flow in the cyclone. Lagrangian model is employed to determine particle trajectory in the cyclone and to calculate the collection efficiency. The numerically predicted pressure drops and the experimentally measured ones are compared with those calculated from the published semi-empirical correlations. In addition, the collection efficiencies are determined numerically for the tested cyclones and compared to those obtained from published analytical models, and present experimental measurements. The comparisons show reasonable agreements.


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