Validity of the first-order fluid model

J. S. Vrentas, C. M. Vrentas

Research output: Contribution to journalArticlepeer-review


The general validity of the first-order fluid model is considered. Conditions are established for which a first-order fluid represents an acceptable approximation to the integral viscoelastic fluid from which it was derived as a Taylor series approximation. The results are applied to two flow problems: generation of flow by the application of a pressure gradient and the growth or dissolution of bubbles in viscoelastic liquids.

Original languageEnglish (US)
Pages (from-to)547-552
Number of pages6
JournalJournal of Applied Polymer Science
Issue number4
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry


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