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Numerical strategies for the bifurcation analysis of perfectly stirred reactors with detailed combustion mechanisms

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2015 Italy Publisher:Elsevier BVJournal:Computers & Chemical Engineering, volume 82, pages 273-282 (issn: 0098-1354,

Authors: Luigi Acampora; Francesco Saverio Marra;

doi: 10.1016/j.compchemeng.2015.07.008

handle: 20.500.14243/306869

Numerical strategies for the bifurcation analysis of perfectly stirred reactors with detailed combustion mechanisms

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Abstract

The paper introduces a numerical tool based on a predictor-corrector continuation algorithm to obtain the bifurcation analysis of a perfectly stirred reactor with detailed reaction mechanisms.Each step of the continuation algorithm is reviewed and adapted to handle reaction mechanisms with hundreds of species and thousands of reactions. Particularly, the adoption of a Broyden solver in the predictor-corrector algorithm and a new formulation of the test functions are proposed. The implementation in Matlab and the adoption of the CANTERA Toolbox, make the tool easily applicable to reaction mechanisms available in CHEMKIN format.To validate and demonstrate the capability of the tool, the full equilibrium curves have been obtained for three different cases, having increasing number of species and reactions: methane-air (GRIMech.1.2), simple surrogates of Jet-A in air (JetSurF2.0) and a ternary surrogate of Jet-A in air (CRECK). The tool gets performances that make affordable the computations even with desktop computers.

Country

Italy

Related Organizations

National Research Council
Italy
University of Sannio
Italy
University of Sannio
Italy
Institute for Research on Combustion
Italy

Keywords

Detailed kinetic mechanism, Parametric continuation, Bifurcation analysis, Ignition and extinction limits, Cantera, Jet fuels

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