Eur. Phys. J. AP
Volume 16, Number 1, October 2001
|Page(s)||71 - 84|
|Section||Plasma, Discharges and Processes|
|Published online||15 October 2001|
Chemical efficiency of reactive microflows with heterogeneous catalysis: a lattice Boltzmann study
Istituto di Applicazioni Calcolo, CNR,
viale Policlinico 137, 00161 - Roma, Italy
2 Visiting Scholar, Lyman Laboratory, Department of Physics, Harvard University, Cambridge MA 02138, USA
3 INFM, Dipartimento di Fisica, Università di Roma “La Sapienza”, P.le A. Moro 2, 00185 - Roma, Italy
4 Lyman Laboratory, Department of Physics, Harvard University, Cambridge MA 02138, USA
Corresponding author: firstname.lastname@example.org
Revised: 13 June 2001
Accepted: 13 June 2001
Published online: 15 October 2001
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.
PACS: 47.70.Fw – Chemically reactive flows / 47.11.+j – Computational methods in fluid dynamics
© EDP Sciences, 2001
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