Table 4 Learned kinetic and transport... | Emerald Publishing

Table 4

Learned kinetic and transport parameters obtained from the PINN framework

Parameter	Learned value	Unit	Description
$E_{a}$	50000.15	J/mol	Learned activation energy recovered from short-term thermo–oxidative degradation data
$A$	235.75	S⁻¹	Learned Arrhenius pre-exponential factor within the physically expected range for polymer oxidation kinetics
$D_{ref}$	$5.0 \times 10^{- 6}$	Mm²/day	Reference diffusion coefficient used during synthetic dataset generation
$D_{learn}$	0.37228	Normalized	Effective normalized diffusion coefficient inferred by the PINN under the adopted scaling formulation

Parameter	Learned value	Unit	Description
$E_{a}$	50000.15	J/mol	Learned activation energy recovered from short-term thermo–oxidative degradation data
$A$	235.75	S⁻¹	Learned Arrhenius pre-exponential factor within the physically expected range for polymer oxidation kinetics
$D_{ref}$	$5.0 \times 10^{- 6}$	Mm²/day	Reference diffusion coefficient used during synthetic dataset generation
$D_{learn}$	0.37228	Normalized	Effective normalized diffusion coefficient inferred by the PINN under the adopted scaling formulation