Rod-climbing effect in newtonian fluids

Daniel Bonn*, Mathias Kobylko, Steffen Bohn, Jacques Meunier, Alexander Morozov, Wim Van Saarloos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The study of rod-climbing effect in Newtonian fluids was discussed. The study demonstrated that when a rotating rod is immersed into a beaker with two immiscible Newtonian fluids, the interface between the two fluids could also climb the rod. The study suggests that this spectacular rod climbing is due to the normal stresses present in the polymer fluid. It was observed that rod climbing effect could occur when a Taylor-Couete instability happens in the less viscous of the two liquids but not in the more viscous one.

Original languageEnglish
Article number214503
JournalPhysical Review Letters
Issue number21
Publication statusPublished - 19 Nov 2004

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