Publication: Simulation of object motion in a bubbling fluidized bed using a Monte Carlo method
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2013-06
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Elsevier
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Abstract
The motion of a large neutrally-buoyant object immersed in a 2D bubbling fluidized bed was simulated using a Monte Carlo method. The object vertical trajectory within the bed was simulated for a range of
dimensionless gas velocities using a simple 1D model. The main
characteristics of the object motion were obtained from the trajectory
simulation and compared with experimental evidence giving good results.
On a second step, the time scale of the motion is introduced in the
simulated data by means of well-known 2D correlations for the bubble and
dense phase velocity. The circulation time of an object (from the
instant when it leaves the freeboard and sinks in the dense phase till
the moment it reappears back in the surface) was then obtained and
compared with experimental data, showing a general agreement. Finally,
an extrapolation for a 3D fluidized bed was made following a similar
procedure.
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Monte Carlo, Object motion, Gas, fluidization, Bubbling bed, Circulation time, Sinking and rising velocity
Bibliographic citation
Chemical Engineering Science 96 (2013) 7 June, pp. 26–32