- Author
-
Gamezo, V. N.
|
Ogawa, T.
|
Oran, E. S.
- Title
- Flame Acceleration and DDT in Channels With Obstacles: Effect of Obstacle Spacing.
- Coporate
- Nuclear Regulatory Commission, Washington, DC
Seikei Univ., Kichijoji-Kitamachi, Musashino-shi, Tokyo, 180-8633, Japan
- Journal
-
Combustion and Flame,
Vol. 155,
No. 1/2,
302-315,
October 2008
- Keywords
-
spacing
|
hydrogen
|
combustion
|
detonation
|
deflagration
|
simulations
|
energy release rate
|
hydrogen/air mixtures
|
equations
|
flame acceleration
- Identifiers
- deflagration-to-detonation transition (DDT); obstructed channels using 2D reactive Navier-Stokes numerical simulations; input model parameters and computed properties of reaction waves for a stoichiometric hydrogen-air mixture; channels with symmetrical obstacles; mechanism of flame acceleration and DDT; two main effects of obstacle spacing; resolution tests and stochasticity; effect of imposed symmetry; full channels with symmetrically placed obstacles