The interaction of an anchored flame with a low-level acoustic field is considered.The flame is considered to be 'held by a gauze through which the reactants are allowed to flow.Small perturbations in velocity in the combustion zone are linked upstream and downstream with order 0(M) acoustic disturbances at large distances from the source, (where M is the flow Mach number).This matching process yields a frequency condition governing the flame vibration and preliminary results for emitted acoustic waves are presented.
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