| Issue |
EPL
Volume 78, Number 6, June 2007
|
|
|---|---|---|
| Article Number | 68001 | |
| Number of page(s) | 6 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/78/68001 | |
| Published online | 22 May 2007 | |
A reduced model for shock and detonation waves. II. The reactive case
1
CEA/DAM Ile-de-France - BP 12, 91680 Bruyères-le-Châtel, France
2
CERMICS, Ecole Nationale des Ponts et Chaussées (ParisTech) 6 & 8 Av. Pascal, 77455 Champs-sur-Marne, France
Corresponding authors: jean-bernard.maillet@cea.fr laurent.soulard@cea.fr stoltz@cermics.enpc.fr
Received:
9
January
2007
Accepted:
30
April
2007
We present a mesoscopic model for reactive shock waves, which extends the model proposed in G. Stoltz, Europhys. Lett., 76 (2006) 849. A complex molecule (or a group of molecules) is replaced by a single mesoparticle, evolving according to some Dissipative Particle Dynamics. Chemical reactions can be handled in a mean way by considering an additional variable per particle describing the progress of the reaction. The evolution of the progress variable is governed by the kinetics of a reversible exothermic reaction. Numerical results give profiles in qualitative agreement with all-atom studies.
PACS: 82.40.Fp – Shock wave initiated reactions, high-pressure chemistry / 05.10.-a – Computational methods in statistical physics and nonlinear dynamics / 05.70.Ln – Nonequilibrium and irreversible thermodynamics
© Europhysics Letters Association, 2007
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