Transition from laminar to turbulent flow for non-Newtonian fluids

A.A. Draad, M.A. Hulsen

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Abstract

Stability calculations have been performed for a two-dimensional plane Poiseuille flow for Newtonian and upper-convected Maxwell fluids using a finite element code to solve the full equations of motion. Adding elasticity to the flow as modelled by the upper-convected Maxwell model has been shown to destabilize the flow. Our calculations show that this destabilization also occurs for the two-dimensional saturated disturbances that have been presented by Herbert and Jimenez for Newtonian fluids.
Original languageEnglish
Title of host publicationAdvances in Turbulence V, Proceedings of the European Turbulence Conference V, 5-8 July 1994, Siena, Italy
Place of PublicationDordrecht
PublisherKluwer Academic Publishers
Pages105-110
ISBN (Print)0-7923-3032-3
Publication statusPublished - 1995

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    Draad, A. A., & Hulsen, M. A. (1995). Transition from laminar to turbulent flow for non-Newtonian fluids. In Advances in Turbulence V, Proceedings of the European Turbulence Conference V, 5-8 July 1994, Siena, Italy (pp. 105-110). Kluwer Academic Publishers.