ABSTRACT
The ability of radiative preheating by a propagating deflagration front to form a promoting temperature gradient and trigger a transition to detonation is studied. First, the effect of radiative preheating of the unburned mixtures is investigated, when they are traveling through the wrinkles on the flame surface, in order to estimate the possibility of a significant temperature rise. Subsequently, numerical simulations of a simplified mathematical model are carried out. These demonstrate the plausibility of the proposed mechanism of the deflagration to detonation transition.
Keywords: Premixed combustion, Transition to detonation, DDT, Radiation heat transfer.
