rho_b (1-epsilon)*rho_w_init "Dry bulk density"
d_eff "d_w*(1-eta) + d_c*eta" "Effective pore diameter in sample"
epsilon "1-(rho_w+rho_is + rho_c)*(1-epsilon_w_init)/rho_w_init" "Sample porosity"
kappa_eff_across "(rho_w*kappa_w_across + (rho_is + rho_c)*kappa_c_across)/(rho_w + rho_is + rho_c)" "Effective permeability across fiber direction"
kappa_eff_along "(rho_w*kappa_w_along + (rho_is + rho_c)*kappa_c_along)/(rho_w + rho_is + rho_c)" "Effective permeability along fiber direction"
k_eff_along "(rho_w * k_w_along + (rho_is + rho_c) * k_c_along) / (rho_w + rho_is + rho_c)" "Effective conductivity along fiber direction"
k_eff_across "(rho_w * k_w_across + (rho_is + rho_c) * k_c_across) / (rho_w + rho_is + rho_c)" "Effective conductivity across fiber direction"
cp_b "(cp_w*rho_w +cp_c*(rho_is + rho_c))/rho_w_init" "Specific heat capacity for dry bulk"
cp_w "1500[J/kg/K] + 1.0[J/kg/K^2] * T" "Specific heat capacity for wood"
cp_c "420[J/kg/K]  + 2.09[J/kg/K^2] * T + 6.85e-4[J/kg/K^3]  * T^2" "Specific heat capacity for intermediate solid and char"
Y "(rho_w + rho_is + rho_c) / rho_w_init" "Normalized solid mass"