A capillary tube model was applied to the estimation of the apparent viscosity of pseudoplastic fluids in three phase fluidized beds. The prediction of the transfer coefficients is discussed.
Suh, I. S., & Deckwer, W. D. (1989). Unified correlation of heat transfer coefficients in three-phase fluidized beds. Chemical Engineering Science, 44(6), 1455–1458. https://doi.org/10.1016/0009-2509(89)85019-5