umu.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Heating of the fuel mixture due to viscous stress ahead of accelerating flames in deflagration-to-detonation transition
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Chalmers, Dept Thermo & Fluid Dynam, SE-41296 Gothenburg, Sweden.
Show others and affiliations
2008 (English)In: Physics Letters A, ISSN 0375-9601, Vol. 372, no 27-28, 4850-4857 p.Article in journal (Refereed) Published
Abstract [en]

The role of viscous stress in heating of the fuel mixture in deflagration-to-detonation transition in tubes is studied both analytically and numerically. The analytical theory is developed in the limit of low Mach number; it determines temperature distribution ahead of an accelerating flame with maximum achieved at the walls. The heating effects of viscous stress and the compression wave become comparable at sufficiently high values of the Mach number. In the case of relatively large Mach number, viscous heating is investigated by direct numerical simulations. The simulations were performed on the basis of compressible Navier-Stokes gas-dynamic equations taking into account chemical kinetics. In agreement with the theory, viscous stress makes heating and explosion of the fuel mixture preferential at the walls. The explosion develops in an essentially multi-dimensional way, with fast spontaneous reaction spreading along the walls and pushing inclined shocks. Eventually, the combination of explosive reaction and shocks evolves into detonation.

Place, publisher, year, edition, pages
Amsterdam: North-Holland , 2008. Vol. 372, no 27-28, 4850-4857 p.
Keyword [en]
curved stationary flames, wide tubes, nonslip, walls, propagation, simulation, mechanism
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-18719DOI: 10.1016/j.physleta.2008.04.066OAI: oai:DiVA.org:umu-18719DiVA: diva2:174640
Available from: 2009-02-24 Created: 2009-02-24 Last updated: 2011-03-30Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Authority records BETA

Valiev, DamirBychkov, VitalyMarklund, Mattias

Search in DiVA

By author/editor
Valiev, DamirBychkov, VitalyAkkerman, V'yacheslavMarklund, Mattias
By organisation
Department of Physics
In the same journal
Physics Letters A
Physical Sciences

Search outside of DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetric score

doi
urn-nbn
Total: 62 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf