Responding to Albert Avidor's query on the subject, I do not profess to be an expert, which I define as... "X" is an unknown quantity, and
a "spurt" is a drip under pressure. Therefore, I can only point you in a direction, so to speak.
Your question does not differentiate between furnaces...
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...
My earlier response to this E-Stop thread reminded me of another BITE (Believe It, True Event) or GOTCHA story:
An HPI plant was subjected to numerous unwarranted (false) trips. The peculiarity was that the trips aways occurred on tuesday... at about the 2pm shift change.
One tuesday the...
Here is an amusing story.
An assignment took me to a mid-east refinery. I met a young, aggressive,
site electrical engineer who was anxious to talk about his newly
acquired expertise.
It was the first time that underground conduit had ever been installed
in this country. Direct buried...
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