Characteristic periodic motion of polymers in shear flow

Charles M. Schroeder, Rodrigo E. Teixeira, Eric S.G. Shaqfeh, Steven Chu

Research output: Contribution to journalArticlepeer-review

Abstract

The motion of both free and tethered polymer molecules as well as rigid Brownian rods in unbound shear flow is found to be characterized by a clear periodicity or tumbling frequency. Periodicity is shown using a combination of single molecule DNA experiments and computer simulations. In all cases, we develop scaling laws for this behavior and demonstrate that the frequency of characteristic periodic motion scales sublinearly with flow rate.

Original languageEnglish (US)
Article number018301
JournalPhysical review letters
Volume95
Issue number1
DOIs
StatePublished - Jul 1 2005
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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