DMg 7.05e-10[m^2/s] "Diffusion coefficient of Mg ions"
DOH 5.27e-9[m^2/s] "Diffusion coefficient of OH ions"
cOH0 1e-4[mol/m^3] "Initial concentration of OH ions"
cMg0 0[mol/m^3] "Initial concentration of Mg ions"
ksp 0.45[mol^3/m^9] "Solution product constant of Mg(OH)2"
k 3.7e-7[m^7/mol^2/s] "Precipitation reaction rate constant of Mg(OH)2"
Tau 1 "Effective diffusivity factor"
sL 1 "Fluid saturation"
m 1 "Cementation exponent"
n 2 "Saturation coefficient"
M_MgOH2 0.058[kg/mol] "Molecular weight of Mg(OH)2"
rho_MgOH2 2450[kg/m^3] "Density of Mg(OH)2"
epsilon 0.55 Porosity of corrosion product deposits
N_Mac Tau/epsilon "MacMullin number"
DMge DMg*(1-epsilon)+DMg*epsilon/N_Mac "Effective diffusion coefficient of Mg ions"
DOHe DOH*(1-epsilon)+DOH*epsilon/N_Mac "Effective diffusion coefficient of OH ions"
sigmae sigma*sL^m*epsilon^n "Effective electrolyte conductivity"