9 Heat Flow
04.09.2016 Mk8 MM Expansion Features Installation and Set-Up Guide Page 131
19%
19%24,600,000
⁄
Therefore stack losses are currently 4,674,000 Btu/hr.
Note: If an EGA is optioned, then the stack losses are taken from the EGA data rather than default
system values for greater accuracy.
1%
1%24,600,000/
Therefore combined blowdown losses are currently 246,000 Btu/hr.
24,600,000
⁄
246,000
⁄
4,674,000
⁄
246,000
⁄
Therefore the net calorific value of the fuel (wet) is 19,434,000 Btu/hr.
The boiler efficiency is determined by:
19,434,000/
24,600,000/
Therefore the current boiler efficency is 79.0%, which is seen on the Steam Flow Status screen.
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