TESTO 327 - Appendix; Fuel parameters; Calculation formulae

Appendix 27
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Appendix
Fuel parameters
Fuel CO
2
O
2
ref Kgr Knet K1 H MH
2
O Qgr Qnet
MAX (%) [%] [1/K] [1/K] [] [% by weight][% by weight] [MJ/kg] [MJ/kg]
Natural Gas 11.9 3 0.35 0.39 40 24.4 0.0 53.42 48.16
Light Oil 15.5 3 0.48 0.51 53 13.0 0.0 45.60 42.80
Heavy Oil 15.8 3 0.51 0.54 54 11.5 0.2 42.90 40.50
Propane 13.8 3 0.42 0.45 48 18.2 0.0 50.00 46.30
Butane 14.1 3 0.43 0.46 48 17.2 0.0 49.30 45.80
Kerosene 15.4 3 0.47 0.51 52.36 13.6 0.0 46.56 43.12
Calculation formulae
Carbon dioxide: CO
2
= C0
2
max: Fuel-specific carbon
dioxide value
21%: Oxygen content of the air
O
2
: Measured oxygen
content as %
C
arbon monoxide: CO [mg/m
3
] = x CO [ppm] x 1.25 21%: Oxygen content of the air
O
2
: Measured oxygen
content as %
O
2
ref: Fuel-specific oxygen
reference number as %
R
atio: ratio = C0: carbon monoxide
CO
2
: carbon dioxide
CO
CO
2
x 10O00
21% - O
2
ref
21% - O
2
CO
2max
x (21% - O
2
)
21%