Thermal EngineeringPublished 15 August 2025Phy-ChemNODE: an end-to-end physics-constrained autoencoder-NeuralODE framework for learning stiff chemical kinetics of hydrocarbon fuelsTadbhagya Kumar · Anuj Kumar · Pinaki PalFrontiers in Thermal Engineeringdoi 10.3389/fther.2025.1594443