Publications

Howard Littman

Publications (last 10 Years)

"An Overview of Flow Regimes in Fluidized Beds," Pharm. Tech. 9, 48-61, March 1985.

"An Axisymmetric Model of Flow in the Annulus of a Spouted Bed of Coarse Particles. Model, Experimental Verification and Residence Time Distribution," Can. J. Chem. Eng., 63, 188-94 (1985) (with M. H. Morgan, III, P. V. Narayanan, S. J. Kim, J.Y. Day).

"Spout Voidage Distribution, Stability and Particles Circulation Rates in Spouted Beds of Coarse Particles," Chem. Eng. Sci., 40, 1367-77 (1985) (with M. H.Morgan, III and J. Y. Day).

"A Model for Calculating the Minimum FLuid Flowrate and Pressure Drop in a Conical Spouted Bed," Fluidization V, 241-48, K. Ostergaard and A. Sorensen, Ed., Engineering Foundation (1986) (with Dz. E. Hadzismajlovic, Z. B. Grbavcic, D. V. Vukovic and D. S. Povrenovic).

"The Minimum Spouting Characteristics of Small Glass Particles Spouted with Water," Fluidization V, 257-64, K. Ostergaard and A. Sorensen, Ed., Engineering Foundation (1986) (with S. J. Kim).

"A New Spouting Regime in Beds of Coarse Particles Deeper than the Maximum Spoutable Height," Can. J. Chem. Eng., 64, 505-8 (1986) (with M. H. Morgan, III).

Reply to comments on "Predicting the Maximum Spouted Height in Spouted Beds of Irregularly Shaped Particles," I & EC Res., 26, 398-99 (1987) (with M. H. Morgan, III).

"Measurements of Spout Voidage Distributions, Particle Velocities and Particle Circulation Rates in Spouted Beds of Coarse Particles," Chem. Eng. Sci., 42, 1461-70 (1987) (with J.Y. Day and M.H. Morgan, III).

"Flow in the Annulus of a Bed of Fine Particles Spouted with Water," Can. J. Chem. Eng., 65, 723-29 (1987) (with S.J. Kim).

"Hydrodynamics of Turbulent Bed Contactors - Part I: Operating Regimes and Liquid Holdup," I & EC Research, 26, 958-66 (1987) (with G.V. Vunjak-Novakovic and D.V. Vukovic).

"Hydrodynamics of Turbulent Bed Contactors - Part II: Pressure Drop Bed Expansiona and Minimum Fluidizing Velocity," I & EC Research, 26, 967-72 (1987) (with G. V. Vunjak-Novakovic and D.V. Vukovic).

"Experimental Studies of Wakes Behind Circular-Capped Bubbles," J. Fluid Mech., 185, 137-52 (1987) (with W.F. Bessler).

"Gas-Solid Contacting in a Two-Dimensional Fluidized Bed Containing Mobile Internals: Non-Reactive Tracer Studies," Can. J. Chem. Eng. 66, 158-61 (1988) (with E.A.M. Gbordzoe and M.A. Bergougnou).

"Jet Penetration and Pressure Drops in Water Spouted Beds of Fine Particles," Can. J. Chem. Eng. 66, 735-39 (1988) (with M. H. Morgan, III and B. Sastri).

"A Study of the Hydrodynamics Within a Draft Tube Spouted Bed System," Can. J. Chem. Eng. 66, 908-18 (1988) (with M. Matthew and M. H. Morgan, III).

"A Spout-Fluid Bed Drier for Dilute Solutions Containing Solids," Fluidization VI, Proceedings of the Internaitonal Fluidization Conference, Banff, Canada, May 1989, Ed. Grace, J.R., Shemilt, L.W. and Bergougnou, M.A., Engineering Foundation, N.Y. (1989), pp. 277-84 (with Dz. E. Hadzismajlovic, D.S. Povrenovic, Z. B. Grbavcic, D. V. Vukovic).

"A Generalized Axial Pressure Model for Spout and Spout-Fluid Bed Systems at Minimum Spouting," Fluidization VI, Proceedings of the International Fluidization Conference, Banff, Canada, May 1989, Ed. Grace, J.R., Shemilt, L.W. and Bergougnou, M.A., Engineering Foundation, N.Y. (1989), pp. 261-68 (with M. H. Morgan III).

"The Spouting Regime Map, Bubbling Characteristics and Bed Expansion in Deep Beds of Large Hollow Polyethylene Spheres," Can. J. Chem. Eng., 67, 912-15 (1989), (with

R. Zamora and M.H. Morgan III).

"A New Choking Velocity Correlation for Vertical Pneumatic Conveying," Chem. Eng. Sci., 45, 355-60 (1990) (with J. Y. Day and M. H. Morgan III).

"A Criterion for Channeling in Beds of Fine Cohesive Particles", Proceedings of the Second World Congress on Particle Technology, Sept. 19-22, 1990, Part IV, 246-53, Society of Powder Technology, Japan.

"Prediction of the Maximum Spoutable Bed Height in Spout-Fluid Beds", Can. J. Chem. Eng., 69, 386-389 (1991) (with Z.B. Grbavcic, D.V. Vukovic, Dz.E. Hadzismajlovic and R.V. Garic).

"An Axisymmetric Model for Fluid Flow in the Annulus of a Spout-Fluid Bed", Chem. Eng. Sci., 46, 773-779 (1991)(with J.Y. Day, M.H. Morgan III, Z.B. Grbavcic, Dz.E. Hadzismajlovic, and D.V. Vukovic).

"Variational Model for Prediction of the Fluid-Particle Interphase Drag Coefficient and Particulate Expansion of Fluidized and Sedimenting Beds", Powder Technology, 68, 199-211 (1991) (with Z.B. Grbavcic, R.V. Garic, Dz.E. Hadzismajlovic, S. Jovanovic, D.V. Vukovic and M.H. Morgan III).

"Minimum Fluid Flowrate, Pressure Drop and Stability of a Conical Spouted Bed," Can. J. Chem. Eng., 70, 216-222 (1992) (with D.S. Povrenovic, Dz.E. Hadzismajlovic, Z.B. Grbavcic and D.V. Vukovic).

"The Effective Buoyancy and Drag on Spheres in a Water Fluidized Bed," Chem. Eng. Sci., 47, 2120-2124 (1992) (with Z.B. Grbavcic, D.V. Vukovic and S. Jovanovic).

"Hydrodynamic Modeling of Vertical Liquid-Solids Flow," Powder Technology, 72, 183-191 (1992) (with Z.B. Grbavcic, R.V. Garic, D.V. Vukovic, Dz.E. Hadzismajlovic, M.H. Morgan and S. Jovanovic).

"Fluid Flow Pattern and Solids Circulation Rate in a Liquid Phase Spout-Fluid Bed with a Draft Tube," Can. J. Chem. Eng., 70, 895-904 (1992) (with Z.B. Grbavcic, D.V. Vukovic, S. Jovanovic, R.V. Garic, Dz.E. Hadzismajlovic and M.H. Morgan).

"A Priori Modeling of an Adiabatic Spouted Bed Catalytic Reactor," Can. J. Chem. Eng., 70, 966-982 (1992) (with B.D. Hook, M.H. Morgan III and Y. Arkun).

"The Hydrodynamic Behavior of a 0.95 m Diameter Spout-Fluid Bed with a Draft Tube" Proc. of the 7th Eng. Found. Conf. on Fluidization, Brisbane, Australia, May 3-8, 1992, pp. 337-344 (with Dz.E. Hadzismajlovic, Z.B. Grbavcic, D. Povrenovic and R. Garic).

"Measurement of the Effective Drag Coefficient in Decelerating and Non-Accelerating Turbulent Gas-Solids Dilute Phase Flow of Large Particles in a Vertical Transport Pipe," Powder Technology, 77, 267-283 (1993) (with J.D. Paccione, M.H. Morgan, S. Jovanovic, and Z.B. Grbavcic).

"Coating Apparatus Having Opposed Atomizing Nozzles in a Fluid Bed Column", U.S. Patent No. 5254168, October 19, 1993 (with M.H. Morgan and S.Dj. Jovanovic).

"Automatic Particle Transport System", U.S. Patent No. 5248222, Sept. 28, 1993 (with M.H. Morgan).

"Effect of particle diameter, particle density and loading ratio on the effective drag coefficient in steady turbulent gas-solids transport," Powder Technology 84, 49-56 (1995) (with M.H. Morgan III, S.Dj. Jovanovic, J.D. Paccione, Z.B. Grbavcic and D.V. Vukovic).

"Flow Regime Diagrams and the Stability of Spouting of Fine Glass Spheres with Air," Fluidization VIII; Tours, France; May 1995; Engineering Foundation, N.Y., in press (with A. Cecen and M. H. Morgan, III).