4.13.3.3. Example: Char combustion¶
\[\text{C}(s) + 0.5 \text{O}_2 (g) → \text{CO}(g)\]
Notes:
Species database names and aliases are defined on single lines.
The heat of reaction is defined.
The gas phase receives 20% of the heat of reaction.
Solids phase 1 receives 80% of the heat of reaction.
NMAX_g = 2
! No. gas phase species
Species_g(1) = "O2" "CO"
Species_Alias_g(1) = "O2" "CO"
! Database names
! Species aliases
NMAX_s(1) = 2
Species_s(1,1) = "C(GR) REF ELEMENT"
Species_s(1,2) = "Coal Ash"
! No. solids phase species
! Fixed Carbon (graphite)
! Coal Ash
Species_Alias_s(1,1) = "C" "Ash"
! Fixed Carbon and Coal Ash
@(RXNS) ! Begin reaction block
Char_Combustion { ! Reaction 1 construct
chem_eq = "C + 0.5O2 --> CO" ! Chemical Reaction Eq
DH = -52834.0 ! (cal/moles-reacted)
fracDH(0) = 0.2 ! HoR assigned to gas phase
fracDH(1) = 0.8 ! HoR assigned to s. phase 1
} ! End reaction 1 construct
@(END) ! End reaction block