𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Simulation of Fluidized Beds with Lattice Gas Cellular Automata

✍ Scribed by B.G.M. van Wachem; A.F. Bakker; J.C. Schouten; M.W. Heemels; S.W. de Leeuw


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
299 KB
Volume
135
Category
Article
ISSN
0021-9991

No coin nor oath required. For personal study only.

✦ Synopsis


An ever newer development in the CA is the lattice Boltmann (LB) technique [13]. The standard LB technique This paper introduces an approach for the simulation of the hydrodynamic behaviour of gas-solid fluidized beds via the use of lattice only describes averaged behaviour, whereas in fluidized gas cellular automata. This approach is based on a two-speed beds fluctuations are important. For this reason the more model, developed by U. Frisch, B. Hasslacher, and Y. Pomeau. Simuclassical LGCA technique is used. Nowadays also fluctuatlation runs for different configurations of the automaton produce ing LB techniques are used, but this has not been reresults that can be compared to actual data. The simulations show searched in this work.

when and how bubbling will occur. Values for the bubble diameters as a function of bed height, as well as bed porosities in two horizontal The simulation of fluidized beds differs from the planes have been obtained from the simulations. From these results simulation of the Navier-Stokes equation as for the correlation diagrams and the Kolmogorov entropy are calculated. latter there is a well-developed differential equation. No Generally, the results of the simulations are qualitatively in good real unifying and exact differential equations, describing agreement with experimental observations, showing that this new the complete behaviour of fluidized beds, exist. Anderson approach could provide a useful tool in predicting the fluid dynamic behaviour of fluidized beds.


πŸ“œ SIMILAR VOLUMES


Numerical Simulation of Particle Segrega
✍ S. Azizi; S. Hossein Hosseini; G. Ahmadi; M. Moraveji πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons 🌐 English βš– 543 KB

## Abstract A multi‐fluid Eulerian model incorporating the kinetic theory of granular flow is used for the simulation of bubbling fluidized beds containing a binary mixture of Geldart B particles at low gas velocities. The cases of density, size and combined density/size segregation are investigate