7 Flue gas measurement
7.1.3 Conversion, combustion efficiency
Combustion efficiency in %
Air intake temperature 20 °C Flue gas temperature °C
O
2 CO2 Lambda 60 80 100 120 140 160 180 200 220 240 260
% by vol. % by vol.
1 19.8 1.05 98.1 97.1 96.2 95.2 94.3 93.3 92.4 91.4 90.5 89.5 88.6
2 18.8 1.10 98.0 97.0 96.0 95.0 94.1 93.1 92.1 91.1 90.1 89.1 88.1
3 17.8 1.17 97.9 96.9 95.9 94.8 93.8 92.8 91.7 90.7 89.7 88.6 87.6
4 16.8 1.23 97.8 96.8 95.7 94.6 93.5 92.4 91.3 90.3 89.2 88.1 87.0
5 15.8 1.31 97.7 96.6 95.5 94.3 93.2 92.0 90.9 89.8 88.6 87.5 86.4
6 14.8 1.40 97.6 96.4 95.2 94.0 92.8 91.6 90.4 89.2 88.0 86.8 85.6
7 13.9 1.50 97.5 96.2 94.9 93.7 92.4 91.1 89.9 88.6 87.3 86.1 84.8
8 12.9 1.61 97.3 96.0 94.6 93.3 91.9 90.6 89.2 87.9 86.5 85.2 83.8
9 11.9 1.75 97.1 95.7 94.2 92.8 91.4 89.9 88.5 87.0 85.6 84.1 82.7
10 10.9 1.90 96.9 95.3 93.8 92.2 90.7 89.1 87.6 86.0 84.5 82.9 81.4
11 9.9 2.09 96.6 94.9 93.3 91.6 89.9 88.2 86.5 84.8 83.1 81.5 79.8
12 8.9 2.33 96.3 94.5 92.6 90.8 88.9 87.1 85.2 83.4 81.5 79.7 77.8
13 7.9 2.62 95.9 93.8 91.8 89.7 87.7 85.6 83.6 81.5 79.5 77.4 75.4
14 6.9 2.99 95.4 93.1 90.7 88.4 86.1 83.8 81.5 79.2 76.9 74.5 72.2
15 5.9 3.49 94.7 92.0 89.3 86.7 84.0 81.4 78.7 76.0 73.4 70.7 68.0
16 4.9 4.18 93.7 90.5 87.4 84.2 81.1 77.9 74.8 71.6 68.5 65.3 62.2
17 4.0 5.23 92.2 88.3 84.5 80.6 76.7 72.8 68.9 65.0 61.1 57.3 53.4
18 3.0 6.97 89.8 84.7 79.6 74.5 69.4 64.2 59.1 54.0 48.9 43.8 38.7
19 2.0 10.45 84.9 77.3 69.8 62.2 54.7 47.1 39.6 32.0 24.5 16.9 9.4
Mathematical combustion efficiency as a function of the combustion air at various flue gas temperatures for the combustion of wood
Combustion efficiency, wood W20 at various flue gas temperatures
60,0
65,0
70,0
75,0
80,0
85,0
90,0
95,0
100,0
4,0 6,0 8,0 10,0 12,0 14,0 16,0
CO2 Vol%
Wirkungsgrad %
60
80
100
120
140
160
180
200
220
240
260
Efficiency %
CO
2
% by volume
MA-Easyfire 10.2008_EN.indd 73MA-Easyfire 10.2008_EN.indd 73 30.03.2009 13:30:11 Uhr30.03.2009 13:30:11 Uhr
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