Issue |
Eur. Phys. J. AP
Volume 16, Number 1, October 2001
|
|
---|---|---|
Page(s) | 71 - 84 | |
Section | Plasma, Discharges and Processes | |
DOI | https://doi.org/10.1051/epjap:2001195 | |
Published online | 15 October 2001 |
https://doi.org/10.1051/epjap:2001195
Chemical efficiency of reactive microflows with heterogeneous catalysis: a lattice Boltzmann study
1
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: andrea@pil.phys.uniroma1.it
Received:
15
March
2001
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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