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Coupling of the model reduction technique with the lattice Boltzmann method for combustion simulations

By Eliodoro Chiavazzo, Illiya V. Karlin, Alexander N. Gorban and Konstantinos Boulouchos

Abstract

A new framework of simulation of reactive flows is proposed based on a coupling between accurate reduced reaction mechanism and the lattice Boltzmann representation of the flow phenomena. The model reduction is developed in the setting of slow invariant manifold construction, and the simplest lattice Boltzmann equation is used in order to work out the procedure of coupling of the reduced model with the flow solver. Practical details of constructing slow invariant manifolds of a reaction system under various thermodynamic conditions are reported. The proposed method is validated with the two-dimensional simulation of a premixed counterflow flame in the hydrogen-air mixture

Topics: TA
Year: 2010
OAI identifier: oai:eprints.soton.ac.uk:172515
Provided by: e-Prints Soton
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