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Liquid Helix: How Capillary Jets Adhere to Vertical Cylinders
E Jambon-Puillet1, W Bouwhuis2,3, J H Snoeijer2
1Institute of Physics, Van der Waals-Zeeman Institute, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, Netherlands.
Physical Review Letters
|May 31, 2019
Summary
Scientists modeled the "teapot effect" where liquids stick to edges. This research explains how liquid jets form helices on cylinders, offering a new predictive model for fluid dynamics.
Area of Science:
- Fluid dynamics
- Physics of liquids
- Surface tension phenomena
Background:
- The
Purpose of the Study:
- To develop a predictive model for the
Main Methods:
- Investigated liquid jet behavior by grazing vertical cylinders with inclined capillary liquid jets.
- Applied principles of mass and momentum conservation to analyze liquid stream dynamics.
Main Results:
- Successfully formed a liquid helix structure by utilizing the teapot effect.
- Quantitatively predicted the helical shape based on fluid properties and flow conditions.
- Developed a parameter-free model for jet deflection and critical helix formation velocity, considering inertial-capillary adhesion.
Conclusions:
- The study provides the first predictive model for the teapot effect.
- The developed model accurately describes liquid jet behavior and helix formation.
- This research has implications for industrial processes involving fluid-solid interactions.
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