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Modeling the Reactive Processes Within a Catalytic Porous Medium by Seyed Ali Shahamiri; Ida Wierzba is a Engineering article available to read on EtoBox.

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A one-dimensional modelling approach to the reactive processes within a heated homogeneously premixed fuel-air mixture in its passage through a non-adiabatic catalytically reactive porous medium is described. The main focus of this contribution was comparison of the results obtained while using different modeling approaches that include mass diffusion to solid pores versus neglecting it; single step reaction versus detailed kinetic simulation; adiabatic versus non-adiabatic reactor operation; two different approaches accounting for radiation heat transfer. This model was tailored to our experimental results so as to obtain original kinetic data for corresponding global reactions for different types of catalysts and validate at the same time the predictive approaches. Results presented relate mainly to the fuels methane and hydrogen. It was shown that the employment of an 'effective thermal conductivity' to account for radiation heat transfer is adequate for producing satisfactory predictions while significantly cutting computational time. The use of multi-step reaction mechanisms produces results that are in good agreement with a much wider range of experimental data and does not r

Who reads Modeling the Reactive Processes Within a Catalytic Porous Medium?

Author

Seyed Ali Shahamiri; Ida Wierzba

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0307-904X)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)