integration of solid oxide fuel cells and ... - Ea Energianalyse

3.4. Burner - BURN
3.4 Burner - BURN
Figure 3.4: Catalytic burner component. The fuel and air inlets are ”i,1” and ”i,2” respectively.
Additional fuel (C H 4 ) can be added directly at ”CH4,add,i”. ”o” is the exhaust gas outlet.
The burner makes all the combustibles at the inlets react 100% with
oxygen to produce water and carbon dioxide by the following three
reactions:
C H 4 + 2O 2 → CO 2 + 2H 2 O
CO + 1 2 O 2 → CO 2
H 2 + 1 2 O 2 → H 2 O
∆H o c
∆H o f
∆H o f
= +890,00
kJ
mol
= −282,62
kJ
mol
= −241,82
kJ
mol
(3.13)
(3.14)
(3.15)
The release of chemical energy is then translated into temperature of the
gasses and a heat loss to the surroundings which is set manually:
Ḣ i − Ḣ u − ˙Q loss = 0 (3.16)
The pressure loss over the burner is set manually by the pressure increase
∆p (which will always be negative):
p o = p i + ∆p (3.17)
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