Influence of local effects in three phase flows on power input in Jet-Loop Reactors

Local and overall measurements in a Jet-Loop Reactor in three-phase operation have shown significant discrepancies between calculated and measured data (S. John, H. Parchmann, M. Schlueter, N. Raebiger, Effect of particles in bubble wakes on hy-drodynamics in three-phase flows, ASME Fluids Engineering Division Summer Meeting, FEDSM2003-55221, 2003A; S. John, M. Schlüter, N. Räbiger, Effect of particles in bubble wakes on hydrodynamics in three-phase flows, FEDSM2003-55221, ASME/JSME Joint Fluids Engineering Division Summer Meeting, Honolulu, 2003B). Now recently developed measurement techniques provide us with a deeper insight into local effects in three-phase flows and their influence on pressure drop and hydrodynamics (S. John, S. Scheid, H. Parchmann, O. Bork, M. Schlüter, N. Räbiger, Model fundamentals for the design of three-phase loop reactors, J. Heat and Mass Transf. (2004)), and enable a better modeling and model validation.