Twist and measure: characterizing the effective radius of strings and bundles under twisting contraction

Hanlan, Jesse M; Davis, Gabrielle E.; Durian, Douglas J.

doi:10.1039/d3sm00067b

Soft Matter

2023

DOI: 10.1039/d3sm00067b

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Twist and measure: characterizing the effective radius of strings and bundles under twisting contraction

Jesse M Hanlan

Gabrielle E. Davis

Douglas J. Durian

Abstract: We test the standard model for the length contraction of a bundle of strings under twist, and find deviation that is significantly greater than typically appreciated and that has a...

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2024

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Cited by 4 publications

References 21 publications

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Droplet Helical Motion on Twisted Fibers

Van Hulle,

Delforge,

Leonard

et al. 2024

Langmuir

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We investigate herein the impact of helical structures on the motion of asymmetrical droplets along vertically twisted fibers. The droplet adopts helical motion around the bundle driven by gravity. This complex motion can be manipulated by varying the twists turns of the fibers. When the droplet size is smaller than the characteristic length of the helix (pitch), the droplet adopts a predominant helical motion correlated to the groove of the twisted fibers. When the droplet size exceeds the pitch length, a mixed motion of intermittent vertical sliding and helical movement emerges. A model describes rotational and linear speeds as a function of the number of fiber twist turns. This research highlights the profound role of substructures in droplet dynamics, offering fresh insight into droplet manipulation or fiber-based devices.

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Droplet Helical Motion on Twisted Fibers

Van Hulle,

Delforge,

Leonard

et al. 2024

Langmuir

View full text Add to dashboard Cite

show abstract

Equation of motion for taut-line buzzers

Gerra,

Jones,

Dillavou

et al. 2024

Phys. Rev. Applied

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Taut-line buzzers with periodic forcing

Hanlan,

Durian

2024

Phys. Rev. Applied

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Twist and measure: characterizing the effective radius of strings and bundles under twisting contraction

Abstract: We test the standard model for the length contraction of a bundle of strings under twist, and find deviation that is significantly greater than typically appreciated and that has a...

Cited by 4 publications

References 21 publications

Droplet Helical Motion on Twisted Fibers

Droplet Helical Motion on Twisted Fibers

Equation of motion for taut-line buzzers

Taut-line buzzers with periodic forcing

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