chapter  12
24 Pages

MODELING OF CONFINED FLAME STABILIZATION BY BLUFF BODIES

MODELING OF CONFINED FLAME STABILIZATION

BY BLUFF BODIES

S.M. Frolov, V. Ya. Basevich, A. A. Belyaev,

V. S. Posvianskii, and Yu. B. Radvogin

New computational approaches are developed to explore ame stabi-

lization techniques in subsonic ramjets. The primary focus is statistical

modeling of turbulent combustion and derivation of the adequate bound-

ary conditions at open boundaries. The mechanism of ame stabilization

and blow-o in ramjet burners is discussed. The criterion of ame sta-

bility based on the clearly dened characteristic residence and reaction

times is suggested and validated by numerical simulations.