| Issue |
Math. Model. Nat. Phenom.
Volume 2, Number 2, 2007
Reaction-diffusion waves
|
|
|---|---|---|
| Page(s) | 40 - 55 | |
| DOI | https://doi.org/10.1051/mmnp:2008018 | |
| Published online | 15 June 2008 | |
On the Transition from Deflagration to Detonation in Narrow Channels
Sackler Faculty of Exact Sciences, School of Mathematical Sciences
Tel Aviv University, Tel Aviv 69978, Israel
Corresponding author: kaganleo@post.tau.ac.il
A numerical study of a two-dimensional model for premixed gas combustion in a narrow, semi-infinite channel with no-slip boundary condition is performed. The work is motivated by recent theoretical advances revealing the major role of hydraulic resistance in deflagration-to-detonation transition, one of the central yet still inadequately understood phenomena of gaseous combustion. The work is a continuation and extension of recently reported results over non-isothermal boundary conditions, wider channels, and lower incipient flame velocities, closer to those of real life explosives.
Mathematics Subject Classification: 80A32 / 76L05
Key words: computational fluid dynamics / detonation phenomena / transition from defla- gration to detonation
© EDP Sciences, 2007
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