T_cyl "(273.15 + 92)[K]" "Temperature, heating cylinder" E 110[kJ/mol] "Activation energy (C. Dhuique-Mayer and others, 2007)" A 9.4e13[1/s] "Frequency factor (C. Dhuique-Mayer and others, 2007)" H 8.4[kJ/mol] "Enthalpy of reaction (W. Doering and others 1995)" D_BetaC_ref 2.07e-9[m^2/s] "Diffusion coefficient, β-carotene" dDdT (7.5e-9/100)[m^2/s/K] "Temperature derivative of diffusion coefficient" xpos 6[cm] "Cylinder x-coordinate" ypos 5[mm] "Cylinder y-coordinate" R1 2[mm] "Cylinder radius" H1 1[cm] "Reactor height" W1 12[cm] "Reactor length" H2 3[mm] "Step height" W2 3[cm] "Step length" v_inlet 5e-4[m/s] "Inflow velocity" cBetaC_inlet 1.3e-6[mol/m^3] "Inlet concentration, β-carotene" Mn_BetaC 0.5368726[kg/mol] "Molar mass, β-carotene" Mn_solv 0.018[kg/mol] "Molar mass, solvent (water)" c_solv (998[kg/m^3]-cBetaC_inlet*Mn_BetaC)/Mn_solv "Concentration, solvent (water)" T_inlet (273.15+60)[K] "Temperature, inlet"