MS46 ~ Wednesday, May 24, 1995 ~ 2:30 PM

The Dynamics of Fluidized Beds and Granular Flow

Fluidized beds have important technological uses, particularly in petroleum refining, the catalysis of polymers, and combustion. A fluidized bed consists of a vertical chamber containing a layer (bed) of particulate solids that rests on a distributor, though which a liquid or gas is pumped. At sufficiently high flow rates, the particles are suspended (fluidized), and the collective motion of the particles has complex dynamics. The speakers will discuss laboratory experiments and data analysis techniques that are relevant to the characterization of the dynamics of fluidized beds and associated granular flows.

Organizer: Eric J. Kostelich, Arizona State University

Chaos, Self-Organization, and Instability in Slugging Fluidized Beds
C. Stuart Daw, Oak Ridge National Laboratory
Recent Experiments in Model Granular Materials: Decompaction, Fluidization and Segregation in a 2D Sandpile
Jacques Duran, Université Pierre ét Marie Curie, France
Numerical Simulation of Flows in Fluidized Beds Using a Particle Model
Toshitsugu Tanaka, Osaka University, Japan
Dynamical Systems Analysis of Fluidized Beds
John S. Halow, Morgantown Energy Technology Center
Regime Mapping and Scale-up of the Chaotic Hydrodynamics of Fluidized Multiphase Reactors
Jaap C. Schouten, Delft University of Technology, The Netherlands



3/15/95