TY - JOUR
T1 - Flame propagation through a spatially periodic shear flow
T2 - Extinction vs. transition to detonation
AU - Kagan, Leonid
AU - Sivashinsky, Gregory
N1 - Publisher Copyright:
© 2020 The Combustion Institute
PY - 2020/8
Y1 - 2020/8
N2 - The problem of flame propagation through a spatially periodic shear flow is revisited. When the flow intensity exceeds a certain critical level the corrugated flame either quenches or transitions to detonation. The quenching takes place for relatively small-scale flows where the impact of the flame stretch is strong. In large-scale flows the stretch weakens, while the impact of precompression increases, and the flame transitions to detonation, provided the flow intensity is high enough. In the parametric space a change of the dynamical picture occurs in an abrupt nearly jumpwise manner.
AB - The problem of flame propagation through a spatially periodic shear flow is revisited. When the flow intensity exceeds a certain critical level the corrugated flame either quenches or transitions to detonation. The quenching takes place for relatively small-scale flows where the impact of the flame stretch is strong. In large-scale flows the stretch weakens, while the impact of precompression increases, and the flame transitions to detonation, provided the flow intensity is high enough. In the parametric space a change of the dynamical picture occurs in an abrupt nearly jumpwise manner.
KW - Deflagration to detonation transition
KW - Flame-flow interaction
KW - Flammability limits
UR - http://www.scopus.com/inward/record.url?scp=85084984189&partnerID=8YFLogxK
U2 - 10.1016/j.combustflame.2020.05.008
DO - 10.1016/j.combustflame.2020.05.008
M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???
AN - SCOPUS:85084984189
SN - 0010-2180
VL - 218
SP - 98
EP - 100
JO - Combustion and Flame
JF - Combustion and Flame
ER -