Flagellar dynamics in viscous fluids | Zendy

Mahmut Selman Sakar | Zendy; Cheol Min Lee | Zendy; Paulo E. Arratia | Zendy

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Flagellar dynamics in viscous fluids

Author(s) -

Mahmut Selman Sakar,

Cheol Min Lee,

Paulo E. Arratia

Publication year - 2009

Publication title -

physics of fluids

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.188

H-Index - 180

eISSN - 1089-7666

pISSN - 1070-6631

DOI - 10.1063/1.3205479

Subject(s) - physics , impeller , viscous liquid , mechanics , flow visualization , scale (ratio) , classical mechanics , aerospace engineering , flow (mathematics) , quantum mechanics , engineering

Examples of low Re swimmers include bacteria, sperm cells,and various kinds of protozoa. In particular, agellated bac-teria swim by rotating thin helical laments, each driven atits base by a rotary motor. Direct visualization of the owpatterns around individual agellar laments is quite chal-lenging due to the lament small length scale 20 nm .In this paper, we investigate the ow behavior of a heli-cal impeller rotating in a viscous uid at low Re, dened asRe=

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