Wall-to-bed heat transfer coefficients in three-phase fluidized beds with glass beads and cylindrical 7-alumina particles were determined experimentally. In the present study, the relative increase in heat transfer coefficient was found equal to the relative decrease in liquid holdup in three-phase fluidized beds. Modified Stanton number has been correlated with modified Reynolds number. STms = Stm2 = C Rem2-O.3O5 Pr-2/3The above correlation can be useful in reactor design. Heat transfer in three-phase fluidized beds is hypothesized to encounter a wall resistance and bed resistance in series. * Nominal particle size.Actual particle Sie. 6, and d, based on actual particle size.

No abstract

No abstract

No abstract

No abstract