Lift forces of screws in shear flows
Abstract
We have measured the forces in the vorticity direction experienced by chiral screws in shear flows, with the Reynolds number at the order of 103. The measured force directions depend on the screw handedness, being in the positive vorticity direction for left-handed screws and opposite for right-handed ones. These directions are the reverse of those predicted in the low Reynolds number (Stokes flow) calculations [M. Makino and M. Doi, Phys. Fluids 17, 103605 (2005)]. The force magnitude scales with the cube of the shear rate and is about 100dyn (on the order of 10% of the drag force) when the shear rate ∼10s−1.
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Fluid flows can discriminate not only large chiral objects, but also helical bacteria, colloidal particles, and supramolecular aggregates.
“A few experimental reports indicate that fluid flows can discriminate not only large chiral objects, 140-142 but also helical bacteria, 143 colloidal particles, 144 and supramolecular aggregates.145,146”
From Possible chemical and physical scenarios towards biological homochirality (2022) · cites this paper as [141]
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Beyond Equilibrium Thermodynamics
Öttinger, H. C. (2005) · doi:10.1002/0471727903 · Cited by 896 · see citing works
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Possible chemical and physical scenarios towards biological homochirality
Sallembien, Q., Bouteiller, L., Crassous, J., & Raynal, M. (2022) · Chemical Society Reviews · doi:10.1039/d1cs01179k · Cited by 186 · see citing works
Vortex flows impart chirality-specific lift forces
Hermans, T. M., Bishop, K. J. M., Stewart, P. S., Davis, S. H., & Grzybowski, B. A. (2015) · Nature Communications · doi:10.1038/ncomms6640 · Cited by 52 · see citing works
- Authors
- Chen, P., & Chao, C.-H.
- Affiliations
- National Central University (TW)
- Venue
- Physics of Fluids
- Publisher
- AIP Publishing
- Published
- 2007-01-01
- Volume
- 19
- Issue
- 1
- ISSN
- 1070-6631 (ISSN-L)
- 1089-7666
- OpenAlex
- W2040918859
- Cited by
- 25
- References
- 1
- Citations by year
- 2026: 2 · 2024: 1 · 2022: 1 · 2021: 1 · 2019: 3 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 1 · 2013: 2 · 2012: 4
- FWCI
- 1.92
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Physics of Fluids (publishedVersion)
- Funders
- National Science Council
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Turbulent Flows
- Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Micro and Nano Robotics
- Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Rheology and Fluid Dynamics Studies
- Keywords
- lift force, shear flow, vorticity, shear rate dependence, high Reynolds number flow, drag force
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