Czech

Not applicable.

Viscometry of non-Newtonian liquids, material functions of linear viscoelasticity, applications in chemical engineering and polymer science

College physics and mathematics. Principles of (classical) physical chemistry. Calculus. Fundamentals of vectorial analysis in Eucleidean 3D space.

Not applicable.

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations.

(only in Czech)

(Synopsis for 7 4-hours blocks)
1. Rheology. Goals and methods. Mechanical behavior and properties of materials. Applicationas of rheological properties of suspension and polymeric liquids in technology.
2. Basic quantitative notions in continuum mechanics. Stress and deformation. Simple shear and simple shear flow. Viscosity and elasticity. Newtonian liquids. Hookean materials. Necessity of tensorial description of the kinematics and dynamics of spacial deformation. Deformation gradient and velocity gradient. Stress tensor, isotropic pressure. Rheological constitutive equations. Mathematical models of flow.
3. Non-linear viscous behavio. Plasticity, viscoplasticity, non-Newtonian viscosity, thixotropy. Apparent slip at walls.
4. Linear viscoelasticity. Dynamics of linear autonomous systems. Relaxation, creep, complex viscosity. Maxwell and Kelvin model. Spectral description.
5. Viscometry and rheometry. Theory of measuring the shear viscosity function for basic types of viscometers. Viscometric normal stress differences. Instrumentation, calibration, primary data treatment.
6. Non-linear viscoelasticity. Weissenberg effect and centripetal flow, die swell. Elongation viscosity.
7. Polymer solutions. Limiting viscosity number vs. mola mass, Mark-Houwink equation, conformational characteristics of macromolecules from viscosity measurements.

Not applicable.

Acquiring basic notions and methods of non-linear continuum mechanics, used for quantitative understanding of the simple rheometrical flow situations, common in characterizing the flow properties of non-Newtonian liquids.

none

Not applicable.

Not applicable.

BARNES, H. A., HUTTON, J. F., WALTERS, K. An Introduction to Rheology. Amsterdam: Elsevier, 1989. (CS)
MORISSON, F. A. Understanding Rheology. New York: Oxford University Press, 2001. (CS)
WEIN, O., Úvod do reologie. Brno: FCH VUT v Brně, 1996. (CS)

Not applicable.