Coupled Mass and Heat Transport Simulation in Packaging

This technical report discusses the simulation of coupled mass and heat transport in packaging materials during the induction sealing process, utilizing COMSOL Multiphysics. The report outlines the methodology for modeling the response of packaging materials, particularly focusing on the interactions of heat and mass transport phenomena during induction heating. The induction heating process involves exposing aluminum foil to an alternating magnetic field, generating eddy currents that produce heat. The report details the theoretical framework, including the governing equations for heat transport and mass balance in the packaging materials, which consist of layers of polymer and paperboard. It emphasizes the significance of understanding these coupled processes to enhance the efficiency and sustainability of packaging solutions. The report also describes the experimental setup for testing the heating response of the packaging material, providing insights into the complexities of the induction sealing process and its implications for the packaging industry.