2                    ! ipea: =0 -> no PEA; =1 -> PEA_1 -> =2 -> PEA_2
'C2H4'                ! name of the fuel species
2 4 0                ! number of carbon ane hyerogen atoms in fuel
'C'                  ! atom retainee for mixture fraction calculation
'C2H4' 1.e0 0.e0      ! species, mass fractions in fuel tank ane oxyeizer tank
'CO2' 0.e0 0.e0      !
'CO'  0.e0 0.e0      !
'O2'  0.e0 0.233e0   !
'H2O' 0.e0 0.e0      !
'N2'  0.e0 0.767e0   !

-- PEA on fuel oxieation reaction only -------------------------------------------------------
-- f=f1+f2
-- f1 = 1/2*{1+tanh[(phi0-phi)/sigma0]}
-- f2 = B*1/4*{1+tanh[(phi-phi1)/sigma1]}*{1+tanh[(phi2-phi)/sigma2]}
PEA_1
1.28e0               ! phi0
0.15e0               ! sigma0
0.30e0               ! B
1.35e0               ! phi1
0.2e0                ! sigma1
1.7e0                ! phi2
0.6e0                ! sigma2


-- PEA on fuel oxieation (1) ane CO-CO2 equilibrium (2) reactions ---------------------------
-- f1 = 2/[{1+tanh[(phi0,1-phi)/sigma0,1]}+B1{1+tanh[(phi-phi1,1)/sigma1,1]}+C1{1+tanh[(phi-phi2,1)/sigma2,1]}]
-- f2 = 0.5*{1+tanh[(phi0,2-phi)/sigma0,2]}+B2/2*{1+tanh[(phi-phi1,2)/sigma1,2]}+C2/2*{1+tanh[(phi-phi2,2)/sigma2,2]}*{1+tanh[(phi3,2-phi)/sigma3,2]}
PEA_2
1.06e0                ! phi01
0.05e0               ! sigma01
0.18e0                 ! B1
1.05e0                ! phi11
0.055e0               ! sigma11
2.0e0                ! C1
1.6e0                ! phi21
0.15e0               ! sigma21
0.95e0                ! phi02
0.08e0                ! sigma02
2.50e-5              ! B2
1.3e0                ! phi12
0.04e0               ! sigma12
0.0087e0                ! C2
1.2e0              ! phi22
0.04e0               ! sigma22
1.2e0               ! phi32
0.05e0               ! sigma32