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Numerical Simulation and Experimental Investigation on Turbulent Flow Characteristics in the Circulative Impinging Stream Reactor
Abstract
The turbulent flow characteristics of the impinging stream reactor were calculated with a standard turbulence model which solved by finite element method. The velocity field, pressure field, the distributions of turbulent energy and its dissipation rate at various conditions were obtained, the changes of these parameters in impinging zone were studied in detail. The simulation results of pressure distribution were compared with the measured and agreed well with the current experimental measurements. The present works show that velocity and pressure distributions in circulative impinging reactor are symmetrical with impinging plane and axis of the flow distributor; there are some dead bands at two sides of the flow distributor, and decrease with Reynolds number increasing; the energy dissipation rate is faster in impinging zone than other zones, it is contributed to heat and mass transfer.
Keywords
numerical simulation, turbulent flow, reactor impinging stream
