T_in 523[K] Inlet temperature
T_amb 350[K] Ambient temperature
rad 2[mm] Channel radius
L 0.36[m] Channel length
A pi*rad^2 Channel cross section area
v_av 0.3[m/s] Average gas velocity
vrate v_av*A Volumetric flow rate
UA 200[W/(K*m^3)] Volumetric heat transfer coefficient
F_NO_in 1.55e-7[mol/s] Inlet molar flow NO
F_NH3_in F_NO_in*X0 Inlet molar flow NH3
X0 1 Ratio NH3 to NO at inlet
F_O2_in 2.71e-6[mol/s] Inlet molar flow O2
F_N2_in 6.86e-5[mol/s] Inlet molar flow N2
F_H2O_in 7.34e-6[mol/s] Inlet molar flow H2O
a0 2.68e-17[m^3/mol] Concentration correction factor
A1 1e6[1/s] Frequency factor for reaction 1
A2 6.8e7[1/s] Frequency factor for reaction 2
E0 -243e3[J/mol] Activation energy for correction
E1 60e3[J/mol] Activation energy for reaction 1
E2 85e3[J/mol] Activation energy  for reaction 2