Finite amplitude oscillations of viscoelastic fluids

J. S. Vrentas, D. C. Venerus, C. M. Vrentas

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Finite amplitude oscillatory shear experiments are used to study the mechanical behavior of viscoelastic materials. Four rheological relations are derived which can be used to determine both linear and nonlinear rheological properties of simple fluids from data obtained using large amplitude oscillatory experiments. Two consistency conditions are derived for a fluid which obeys the K-BKZ constitutive equation, and these relations are used in conjunction with data from a finite amplitude oscillatory experiment to check the validity of the K-BKZ equation.

Original languageEnglish (US)
Pages (from-to)1-24
Number of pages24
JournalJournal of Non-Newtonian Fluid Mechanics
Volume40
Issue number1
DOIs
StatePublished - Jul 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Applied Mathematics

Keywords

  • constitutive equation
  • finite amplitude oscillations
  • viscoelastic fluids

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