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On flame extinction by a spatially periodic shear flow. (English) Zbl 0944.76093
Summary: We show that the adiabatic high Lewis number premixed gas flame spreading through a large-scale zero-mean time-independent periodic shear flow constitutes a bi-stable system with a hysteretic transition between stable propagation modes. A mildly non-adiabatic flame may be quenched provided the flow-field intensity exceeds a certain critical value. The study is motivated by the experimentally known phenomenon of flame extinction by turbulence.

76V05 Reaction effects in flows
80A25 Combustion
Full Text: DOI
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[3] DOI: 10.1103/PhysRevE.51.1172 · doi:10.1103/PhysRevE.51.1172
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[10] DOI: 10.1080/00102209408935452 · doi:10.1080/00102209408935452
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