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FCH-MA_RPCAcad. year: 2024/2025
Subject of rheology. Simple shear and shear flow. Elastic materials and viscous liquids. Momentum transfer. Acting forces and stress tensor. Navier--stokes equation. Viscosity functions of nonnewtonian liquids, thixotropy, dilatancy and antithixotropy. Viscosity and its measurement.Kinematics of stationary simple shear flow, dynamics of simple shear flow of viscous liquids, shear response of viscoelastic materials. Linear viscoelasticity, basic tests of linear viscoelasticity: relaxationa and creep. Basic material functions of linear viscoelasticity for shear movements, relaxation spectra, complex viscosity. Viscometric normal tensions. Elongational viscosity. Rheology of polymers, suspensions and emulsions. Practical utilization in applied chemistry.
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