Scale-Up Effect on Heat Transfer in a Fluidized Bed Near the Onset of Turbulent Fluidization

Authors

A. Stefanova, University of British ColumbiaFollow
John R. Grace, University of British ColumbiaFollow
C. Jim Lim, University of British ColumbiaFollow
Xiaotao T. Bi, University of British ColumbiaFollow
K.S. Lim, CSIRO MineralsFollow
J. Sanderson, CSIRO MineralsFollow

Conference Dates

May 13-17, 2007

Abstract

Heat transfer coefficients were measured in 0.29 m ID and 1.56 m ID fluidization columns with the same heater tube, identical alumina particles and geometrically scaled distributors. The maximum coefficients occurred in the turbulent fluidization flow regime. The Froude number based on superficial velocity and column diameter captures the scale-up effect well, so long as the heater is located in a region of similar flow structure.

Recommended Citation

A. Stefanova, John R. Grace, C. Jim Lim, Xiaotao T. Bi, K.S. Lim, and J. Sanderson, "Scale-Up Effect on Heat Transfer in a Fluidized Bed Near the Onset of Turbulent Fluidization" in "The 12th International Conference on Fluidization - New Horizons in Fluidization Engineering", Franco Berruti, The University of Western Ontario, London, Canada; Xiaotao (Tony) Bi, The University of British Columbia, Vancouver, Canada; Todd Pugsley, University of Saskatchewan, Saskatoon, Saskatchewan, Canada Eds, ECI Symposium Series, (2007). https://dc.engconfintl.org/fluidization_xii/32