Simulation of the Turbulent Flow in HEV Static Mixers : Mixing of Ethanol with GasolineA. Eissa
Department of Chemical Engineering, Cairo University, Giza, Egypt
Mixing is a typical unit operation that occurs almost in all chemical industries. Static – alternatively termed motionless – mixers are being widely used due to their low power consumption, low capital investment, minimal maintenance costs and versatility. The traditional helical mixing element is mainly used for in-line blending under laminar and transitional flow conditions. The High Efficiency Vortex (HEV) mixers are used for turbulent blending of gases or miscible liquids. The flow pattern and mixing characteristics of HEV static mixers are analyzed through simulations for turbulent flow conditions using COMSOL Multiphysics.
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