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Posted by Kevin DiLuigi on November 22, 2011 at 20:04:07:
In Reply to: mmbtu rating posted by jim on July 20, 2011 at 10:00:23:
: I need some help in calculating the mmbtu rating of a steam boiler. Is there a formula for this? what knowns are used for the calculation
Efficiency is work out/work in
Steam Flow Lbs Hr x (Steam Enthalpy- (Wtr temp - 32)
E = -----------------------------------------------
Lbs fuel Hr x BTUs Lb Fuel
The top row is BTU output and the bottom row is BTU input