4.6 Article

Capillary instability on an elastic helix

Journal

SOFT MATTER
Volume 10, Issue 18, Pages 3225-3228

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3sm52629a

Keywords

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Funding

  1. National Science Foundation [PHY-1205642, CBET-1336038]
  2. donors of American Chemical Society Petroleum Research Fund [52332-DNI9]
  3. Division Of Physics
  4. Direct For Mathematical & Physical Scien [1205642] Funding Source: National Science Foundation
  5. Div Of Chem, Bioeng, Env, & Transp Sys
  6. Directorate For Engineering [1336038] Funding Source: National Science Foundation

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We present the results of a combined experimental and theoretical investigation of the capillary instability of an elastic helical thread bound within a fluid. The influence of the thread's elastic energy on the classic Rayleigh-Plateau instability is elucidated. The most unstable wavelength can be substantially increased by the influence of the helical coil. The relation between our system and the capture thread of the orbspider is discussed.

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