Understanding Polymeric Fluid Rheology

Polymeric liquids, such as molten plastics, paints, and gels, exhibit complex flow behaviors that traditional fluid dynamics cannot explain. Understanding how these macromolecular fluids deform under stress is critical for successful material processing, manufacturing, and quality control. This course provides a robust, text-based foundation in macromolecular hydrodynamics (rheology), enabling you to interpret experimental data, classify non-Newtonian behaviors, and apply fundamental models to predict fluid response in real-world engineering scenarios. You will gain the analytical skills needed to connect material structure to macroscopic flow properties. What you'll learn: * Understand the fundamental differences between Newtonian and non-Newtonian fluid behavior, including shear thinning and thickening. * Master the techniques of viscometry and rheometry used to measure viscosity and linear viscoelastic properties of complex fluids. * Apply basic continuum mechanics concepts, including stress, strain, and velocity fields, to analyze fluid dynamics problems. * Analyze the roles of non-Newtonian viscosity, normal stresses, and stress relaxation in common industrial processing flows. * Learn to interpret and apply introductory differential and integral constitutive equations for modeling viscoelastic fluid response. * Practice defining kinematics and material functions used to characterize complex fluids undergoing deformation. We begin with essential terminology and the kinematics of fluid deformation, moving into practical measurement techniques and the application of generalized Newtonian models. The course concludes by introducing the fundamental principles of linear viscoelasticity and constitutive modeling required for analyzing complex flow phenomena. This course is designed for absolute beginners in chemical engineering, materials science, or mechanical engineering. No prior knowledge of rheology or advanced fluid dynamics is required. Start reading today and build your expertise in complex fluid mechanics.