Heat and mass transfer phenomena in composites and




- Slides: 4
Heat and mass transfer phenomena in composites and polymers • Heat and momentum transfer during processing of composite materials – Thermosetting matrices: chemistry, reactivity and prop. – Description of thermosetting composite matrix fabrication technologies – Mathematical modeling of composite processing – Kinetic of step and radical chain polymerization reactions – Chemoreology of thermosetting matrices – Process simulation: Energy balance • Autoclave lamination, Filament winding, pultrusion – Process simulation: Darcy and continuity eqn • Liquid molding processes – Processing of thermoplastic composites and process modeling
Heat and mass transfer phenomena in composites and polymers • Numerical solution of initial value problems (ordinary differential equations) – Numerical time derivatives – Applications with the software Flex-PDE • Numerical solution partial differential equations in unsteady state conditions (heat transfer equations) – Development of the Finite Element Method – Applications with the software Flex-PDE
Heat and mass transfer phenomena in composites and polymers • Transport phenomena in polymers – – – Absorption of gas and vapors (thermodynamic issues) Diffusion of gas and vapors (kinetic of sorption) Measurement of solubility and diffusion coefficients Definition and measurement of permeability Food packaging and other applications • Final Exam – Interview – Homework: simulation of diffusion or heat transfer in polymer or composites with Flex. PDE
Didactic aids • Power point slides available at https: //formazioneonline. unisalento. it/ • • Van Krevelen, Properties of polymers Crank, Mathematics of diffusion D. S. Burnett, Finite Element Analysis: From Concepts to Applications S. Mazumdar, Composites Manufacturing: Materials, Product, and Process Engineering Other Activities • Visit to at least one production plant • (Visit to the international trade show: JEC-Journée européenne de composites)