Bacharach PCA3 Especificaciones Pagina 14

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PCA
3 Manual
14 0024-9473 Rev 4
Equations (Some calculations vary by country)
( )
Definitions
O
2
= Measured oxygen (in %)
T
STK
= Measured stack temp (in
°
C)
T
AIR
= Measured primary air temp (in
°
C)
CO = Measured carbon monoxide (in ppm)
CO
2
= Calculated carbon dioxide (in ppm)
qA = Calculated stack loss (in %)
Lambda = Calculated excess air
EFF = Efficiency based on HHV (in %)
ETA = Efficiency based on LHV (in %)
CO
2max
= Constant (see table below)
A
2
= Constant (see table below)
B = Constant (see table below)
Fuel Constants (Some fuel constants vary by country)
FUEL CO
2 max
A
2
B
T
0
(
°
C)
k
F
Natural Gas 11.8 0.66 0.009 59 9.6
KOKS 10.2 0.60 0.011 62 11.2
LEG 13.1 0.63 0.011 61 10.3
LPG 13.8 0.63 0.008 55 7.6
Oil #2 15.4 0.68 0.007 49 5.3
Oil #6 15.9 0.68 0.007 46 4.7
Coal 18.7 0.60 0.007 36 3.4
Biofuel 20.4 0.70 0.012 59 6.0
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