Mathematical modelling of a reverse flow reactor with catalytic surface dynamics

This paper studies a system of partial differential equations modelling the behaviour of a reverse flow reactor. For the parameters appropriate for the oxidation of ammonia on a Pt/Al 2O 3 catalyst in a typical laboratory set-up, the reactor may be split into regions where approximate formulas that...

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Bibliographic Details
Published inChemical engineering science Vol. 57; no. 3; pp. 393 - 407
Main Authors Smith, Warren R, Bobrova, Ludmilla N
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.02.2002
Subjects
Mathematical modelling
Nonlinear dynamics
Reverse flow
Nonlinear dynamics
Reverse flow
Mathematical modelling
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Summary:This paper studies a system of partial differential equations modelling the behaviour of a reverse flow reactor. For the parameters appropriate for the oxidation of ammonia on a Pt/Al 2O 3 catalyst in a typical laboratory set-up, the reactor may be split into regions where approximate formulas that determine its behaviour are deduced. Numerical calculations are presented and can be used to compare with the analytical formulas. The physical insight gained from the asymptotic analysis suggests a new switching strategy which is the subject of numerical experiments. The switching strategy is found to be efficient at minimising the ammonia exiting the reactor after reversal.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0009-2509
1873-4405
DOI:10.1016/S0009-2509(01)00408-0