FLAME PROPAGATION ALONG A VORTEX - THE BAROCLINIC PUSH

Flame propagation into a swirling flow allows the creation of burnt ga s vorticity which may enhance the forward motion of the flame. This ba roclinic push on the dame differs from the axial pressure model sugges ted by Chomiak (1976). In particular, the baroclinic enhancement will depend upon the location of the burnt gas with respect to the flame, a s shown by two Vortex configurations: straight and curved. Additionall y, the baroclinic effect, depending upon the flame density gradient an d the swirling dow radial pressure gradient, will provide an enhanceme nt that is proportional to the ambient pressure.