Numerical solution of stiff parabolic differential equations describing gas fluidized beds with a two-phase model

A model for the non-steady-state description of gas fluidized beds is derived, based on the bubble dispersion model. For the solution of the (parabolic) differential equations describing the non-steady- and steady-state situations, a new method is used: the decoupling method. It is mathematically an...

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Bibliographic Details
Published in:Chemical engineering science 1991, Vol.46 (5), p.1503-1512
Main Authors: van Lare, C.E.J., Piepers, H.W., Thoenes, D.
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Fluidization
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Summary:A model for the non-steady-state description of gas fluidized beds is derived, based on the bubble dispersion model. For the solution of the (parabolic) differential equations describing the non-steady- and steady-state situations, a new method is used: the decoupling method. It is mathematically and numerically not complex and good results are obtained.
ISSN:0009-2509
1873-4405
DOI:10.1016/0009-2509(91)85075-9