Lattice gas experiments on a non-exothermic diffusion flame in a vortex field

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Abstract
It is a known shortcoming of lattice gas models for fluid flow that they do not possess Galilean invariancy. In the case of a single component incompressible flow, this problem can be compensated by a suitable rescaling of time, viscosity and pressure. However this procedure cannot be applied to a flow containing more than one species. We describe here an extension of the Frisch Hasslacher Pomeau collision model which restores a pseudo Galilean invariancy. We then present a simulation of a 2-D reactive shear layer in the configuration of a diffusion flame subjected to the Kelvin-Helmholtz instability.

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