Abstract

Sorting is one of tea processing steps to classify the tea particles based on their quality by using a cyclone separator. Some geometric and operational parameters affect the performance of cyclone separators including geometry and long vortex flow within the cyclone. The main aim of this study is to investigate the effect of inlet velocity on the pressure drop which occurs in the new cyclone separator design. The computational domain of the Reynolds averages Navier-Stokes equation with Reynolds Stress Model (RSM) is solved using a finite volume method based on the SIMPLE pressure correction algorithm. The eulerian-lagrangian approach is used to predict the release of particles in a cyclone. Rosin-Rammler method is used in numerical simulations to apply Particle Size Distribution (PSD). It is demonstrated that, in comparison with a conventional cyclone design, a new cyclone separator generates an efficient way to decrease the pressure drop significantly

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