Coherent acoustic wave amplification/damping by wrinkled flames

The analysis includes such factors as the response of the mass burning rate to acoustic perturbations, the temperature change across the flame, and the geometric complexities of the temporally evolving, wrinkled front. Solutions show that acoustic wave amplification/damping characteristics are controlled by the wavelength of the disturbance, the probability density function of the flame front position and orientation, the incident wave angle, the temperature jump across the flame, and the response of the mass burning rate to acoustic perturbations.