p_amb 1.013e5[Pa] "Ambient pressure"
p_inlet 50[Pa] "Gauge pressure, inlet"
p_outlet 0[Pa] "Gauge pressure, outlet"
T_inlet 550[K] "Inlet temperature"
T0 T_inlet "Initial temperature"
M_gas 29[g/mol] "Molar mass, gas"
k_l 1e-2[m^2/(Pa*s)] "Lumped friction factor"
k_gas 0.025[W/(m*K)] "Thermal conductivity, gas"
Cp_gas 1.2[kJ/(kg*K)] "Heat capacity, gas"
k_m 50[W/(m*K)] "Thermal conductivity, membrane"
ani_m 0.5 "Tortuosity factor, monolith yz-plane"
rho_m 4e3[kg/m^3] "Density, membrane"
Cp_m 2[kJ/(kg*K)] "Heat capacity, membrane"
d_m 200[um] "Membrane thickness"
kappa_m 1e-12[m^2] "Permeability, membrane"
H 500[um] "Channel height"
eta 3e-5[Pa*s] "Viscosity, gas"
a 4*kappa_m/(H*d_m*eta) "Membrane transport coefficient"
T_amb 300[K] "Ambient temperature"
ht_fa 200[W/(m^2*K)] "Heat transfer coefficient, filter/ambient"
ht_fg 1500[W/(m^2*K)] "Heat transfer coefficient, filter/gas"
ds0 25[um] "Initial soot-layer thickness"
c_s0 5[mmol/m^3] "Initial soot concentration"
kappa_s 1e-13[m^2] "Permeability, soot layer"
rho_s 2e3[kg/m^3] "Density, soot layer"
M_s 12[g/mol] "Molar mass, soot"
Af 1e13[m/s] "Forward frequency factor"
Ef 165e3[J/mol] "Reaction activation energy"
H_ox -30[kJ/mol] "Reaction enthalpy"
c_C_in 0.005[mol/m^3] "Concentration of soot at inlet"
c_O2_in 0.08*p_amb/(R_const*T_inlet) "Concentration of O2 at inlet"
D_C 1e-5[m^2/s] "Diffusion coefficient, soot"
D_O2 1e-5[m^2/s] "Diffusion coefficient, O2"
D_sl 1e-8[m^2/s] "Diffusion coefficient, soot layer"
Rs_factor 1 "Factor of the oxidation reaction rate"