Change search
ReferencesLink to record
Permanent link

Direct link
Hydrogen-oxygen flame acceleration and deflagration-to-detonation transition in three-dimensional rectangular channels with no-slip walls
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). Russian Academy of Sciences.
2013 (English)In: International journal of hydrogen energy, ISSN 0360-3199, Vol. 38, no 36, 16427-16440 p.Article in journal (Refereed) Published
Abstract [en]

Hydrogen-oxygen flame acceleration and the transition from deflagration to detonation (DDT) in channels with no-slip walls are studied using high resolution simulations of 3D reactive Navier-Stokes equations, including the effects of viscosity, thermal conduction, molecular diffusion, real equation of state and detailed (reduced) chemical reaction mechanism. The acceleration of the flame propagating from the closed end of a channel, which is a key factor for understanding of the mechanism of DDT, is thoroughly studied. The three dimensional modeling of the flame acceleration and DDT in a semi-closed rectangular channel with cross section 10 x 10 mm and length 250 mm confirms validity of the mechanism of deflagration-to-detonation transition, which was proposed earlier theoretically and verified using 2D simulations. We show that 3D model contrary to 2D models allows to understand clearly the meaning of schlieren photos obtained in experimental studies. The numerical schlieren and numerical shadowgraph obtained using 3D calculations clarify the meaning of the experimental schlieren and shadow photos and some earlier misinterpretations of experimental data.

Place, publisher, year, edition, pages
2013. Vol. 38, no 36, 16427-16440 p.
Keyword [en]
Hydrogen/oxygen, flame acceleration, DDT, Shock wave, 3D modeling, Detailed chemistry, Detonation
National Category
Physical Chemistry
URN: urn:nbn:se:su:diva-98269DOI: 10.1016/j.ijhydene.2013.08.124ISI: 000327904500062OAI: diva2:686034


Available from: 2014-01-10 Created: 2014-01-03 Last updated: 2014-01-10Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text
By organisation
Nordic Institute for Theoretical Physics (Nordita)
In the same journal
International journal of hydrogen energy
Physical Chemistry

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 54 hits
ReferencesLink to record
Permanent link

Direct link