Chemical efficiency of reactive microflows with heterogeneus catalysis: a lattice Boltzmann study

Details Chemical efficiency of reactive microflows with heterogeneus catalysis: a lattice Boltzmann study Chemical efficiency of reactive microflows with heterogeneus catalysis: a lattice Boltzmann study

2001-03-15

arxiv.org/abs/physics/0103041v1

Physics

Fluid Dynamics

12 pages, 12 figures

Scientific paper

10.1051/epjap:2001195

We investigate the effects of geometrical micro-irregularities on the conversion efficiency of reactive flows in narrow channels of millimetric size. Three-dimensional simulations, based upon a Lattice-Boltzmann-Lax-Wendroff code, indicate that periodic micro-barriers may have an appreciable effect on the effective reaction efficiency of the device. Once extrapolated to macroscopic scales, these effects can result in a sizeable increase of the overall reaction efficiency.

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