Abstract
Abstract The moisture separator is widely used in nuclear power plants to remove entrained water droplets from two phase flow. The present work presents a comparative analysis of the performance of three types of separators with corrugated plates. The effects of inlet velocity and plate spacing on the pressure drop and separation efficiency have been numerically investigated by applying the realizable k - ɛ model and discrete phase model. The results show that the pressure drop and separation efficiency of the separator with hooks is the highest of the three types of separators at the same inlet velocity and plate spacing. The predicted pressure drop and separation efficiency for the three types of separators are enhanced with the increase of inlet velocity. And the reduction in plate spacing increases the pressure drop and separation efficiency. Besides, the separation efficiency of the large-scale droplets is higher than that of the small-scale droplets for the same inlet velocity.
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