Scaling relations in Large Amplitude Oscillatory Shear (LAOS) of polymeric fluids

Kwang Soo Cho, Ki Won Song, Dong Jin Kim, Gap Shik Chang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Stress decomposition method provides decomposition of shear stress of LAOS into elastic and viscous parts, which allows us to apply well-defined analysis methods of linear viscoelasticity to LAOS. In this presentation, we investigate some scaling rules which deal with experimental variables such as frequency and strain amplitude as well as structure variables such as molecular weight, concentration, and so on. We define nonlinear functions for elastic and viscous stress which normalize the shapes of the stress components and investigate the relationship between the nonlinear functions and structure variables.

Original languageEnglish
Title of host publicationThe XVth International Congress on Rheology - The Society of Rheology 80th Annual Meeting
Pages400-402
Number of pages3
DOIs
StatePublished - 2008
Event15th International Congress on Rheology - Monterey, CA, United States
Duration: 3 Aug 20088 Aug 2008

Publication series

NameAIP Conference Proceedings
Volume1027
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference15th International Congress on Rheology
Country/TerritoryUnited States
CityMonterey, CA
Period3/08/088/08/08

Keywords

  • LAOS
  • PEO
  • Scaling
  • Stress decomposition

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