My 12-May, 4:17pm response omitted an important factor:
Flame instability results in combustion chamber (firebox, furnace)pressure variations. Hence, the perception of low frequency acoustical pulsations" or "breathing." Sometimes a whisper, other times a roar.
Regards,
Phil Corso, PE
Trip-A-Larm Corp
Flame instability results in combustion chamber (firebox, furnace)pressure variations. Hence, the perception of low frequency acoustical pulsations" or "breathing." Sometimes a whisper, other times a roar.
Regards,
Phil Corso, PE
Trip-A-Larm Corp