Poster Presentation Session

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Presentation transcript:

Poster Presentation Session November 2001 CREL Annual Meeting CREL meeting, 15th November 2001

Hydrodynamics of 2D Gas-Liquid Reactors: Posters presented by Peter Spicka Hydrodynamics of 2D Gas-Liquid Reactors: Experimental Study and CFD Simulations Laboratory of Separation and Reaction Engineering Department of Chemical Engineering, University of Porto Experimental Characterization of Gas-Liquid Column: Effect of Nozzle Orientation and Pressure CHEMICAL REACTION ENGINEERING LABORATORY CREL meeting, 15th November 2001

CREL meeting, 15th November 2001 Peter Spicka Education 1994 Eng. degree at Slovak Technical University in Bratislava 2001 PhD degree at University of Porto Participation on European project ADMIRE CREL joined in April 2001 Research Focus CARPT, CT experiments in multiphase columns Trickle bed reactors filled with structured packing CFD simulations - turbulence modeling, pressure effect Experimental study 2D gas-liquid column, effect of structured packing, LDV, PIV, Imaging CFD simulations effect of lift forces and turbulence on phase distribution CREL meeting, 15th November 2001

CREL meeting, 15th November 2001 2D Gas-Liquid Column Experiment & Simulations LDV data Experimental techniques Pressure transducers Imaging BIV LDV Simulations CFD simulations Study of lift forces Turbulence models Euler/Euler Model No mass transfer Uniform bubble size Neglected interfacial pressure drop Column dimensions (600  200  2) mm Packing Placed in diamond shaped structure at porosity = 0.6 CREL meeting, 15th November 2001

CT & CARPT Results Effect of Pressure and Nozzle Orientation Objective Study the sparger nozzle orientation effect on gas hold-up, liquid velocity and turbulence in gas-liquid column Gas Holdup Turbulent kinetic energy Experiment 6” stainless steel column Cross-sparger, two nozzle orientations: facing upward and downward Air-water system Pressure: 1 bar and 4 bars UGS= 5 cm/s (only CT) and 20 cm/s CREL meeting, 15th November 2001

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