Article | Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017 | Detonation propagation in stratified reactant layers
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Title:
Detonation propagation in stratified reactant layers
Author:
André Vagner Gaathaug: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Dag Bjerketvedt: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Joachim Lundberg: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway Knut Vaagsaether: Department of Process, Energy and Environmental Technology, University College of Southeast Norway, Norway
DOI:
10.3384/ecp17138162
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017
Issue:
138
Article no.:
022
Pages:
162-167
No. of pages:
6
Publication type:
Abstract and Fulltext
Published:
2017-09-27
ISBN:
978-91-7685-417-4
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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A numerical investigation of detonation propagation in stratified reactant layers is presented in this paper. It is baesed on the reactive Euler equations using a two step chemical kinetics approach. The numerical simulations are based on the reactive Euler equations. Turbulence is solved with a one equation model, and the chemical kinetics is modeled as a two steps. The first step is an induction time step, and the second step is an exothermic step. The numerical setup is scaled to keep the numerical resolution of the induction zone constant to 10 cells. Initial simulations were conducted to generate detonation structures in homogeneous reactants and with cyclic boundary conditions. The developed structures were mapped into a domain with a stratified reactant layer on top of a inert layer. The results show that the detonations fail to propagate as the triple points of the propagating detonation is "lost" into the inert layer.

Keywords: CFD, Detonation, Simplified kinetics

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017

Author:
André Vagner Gaathaug, Dag Bjerketvedt, Joachim Lundberg, Knut Vaagsaether
Title:
Detonation propagation in stratified reactant layers
DOI:
http://dx.doi.org/10.3384/ecp17138162
References:
No references available

Proceedings of the 58th Conference on Simulation and Modelling (SIMS 58) Reykjavik, Iceland, September 25th ‚Äď 27th, 2017

Author:
André Vagner Gaathaug, Dag Bjerketvedt, Joachim Lundberg, Knut Vaagsaether
Title:
Detonation propagation in stratified reactant layers
DOI:
http://dx.doi.org/10.3384/ecp17138162
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Last updated: 2017-02-21