Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Rise of Liquid in a Capillary Tube

Rise of Liquid in a Capillary Tube

When very thin cylindrical tubes, called capillaries, are dipped in a liquid, the liquid rises or falls in the tube compared to the surrounding liquid. This phenomenon is called capillary action. Capillary action occurs due to the combination of two opposing forces: the cohesive forces of the liquid, which cause it to stick to itself and form a rounded shape, and the adhesive forces between the liquid and the walls of the container, which cause the liquid to be attracted to the container walls.

Mechanism of Ciliary Motion

Mechanism of Ciliary Motion

The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...

Fimbriae, Pili, and Axial Filaments

Fimbriae, Pili, and Axial Filaments

Fimbriae and pili are specialized bacterial surface structures that play pivotal roles in adhesion, genetic exchange, and motility. Composed primarily of pilin protein, these hairlike appendages are crucial for bacterial survival and pathogenicity in various environments.Fimbriae: Adhesion and PathogenicityFimbriae are fine, filamentous structures measuring 2–10 nanometers in diameter and are densely distributed on the bacterial cell surface. They facilitate bacterial adhesion to abiotic...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Fragmentation of granular droplets on impact.

Physical review. E·2025

Same author

Viscosimetric squeeze flow of suspensions.

The European physical journal. E, Soft matter·2024

Same author

Deformation of soap bubbles in uniform magnetic fields.

Soft matter·2023

Same author

Disordering two-dimensional magnet-particle configurations using bidispersity.

The Journal of chemical physics·2023

Same author

Successive reintrusions in a granular medium.

Physical review. E·2022

Same author

Erratum: Leidenfrost effect: Accurate drop shape modeling and refined scaling laws [Phys. Rev. E 90, 053011 (2014)].

Physical review. E·2021

Search research articles

Related Experiment Video

Updated: Mar 28, 2026

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Published on: April 17, 2018

Droplets climbing a rotating helical fiber.

B Darbois Texier¹, S Dorbolo²

¹GRASP, Physics Dept., University of Liège, B4000, Liège, Belgium. baptiste.darboistexier@gmail.com.

The European Physical Journal. E, Soft Matter

|December 22, 2015

Summary

Researchers studied liquid droplet behavior on rotating helical fibers. Depending on fiber geometry, fluid properties, and rotation speed, droplets can slide, attach, or climb the helix.

Keywords:

Soft Matter: Interfacial Phenomena and Nanostructured Surfaces

More Related Videos

Glass-Based Devices to Generate Drops and Emulsions

Glass-Based Devices to Generate Drops and Emulsions

Published on: April 5, 2022

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Published on: January 8, 2014

Related Experiment Videos

Last Updated: Mar 28, 2026

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Fabricating High-viscosity Droplets using Microfluidic Capillary Device with Phase-inversion Co-flow Structure

Published on: April 17, 2018

Glass-Based Devices to Generate Drops and Emulsions

Glass-Based Devices to Generate Drops and Emulsions

Published on: April 5, 2022

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Microfluidic Fabrication of Polymeric and Biohybrid Fibers with Predesigned Size and Shape

Published on: January 8, 2014

Area of Science:

Fluid dynamics
Materials science
Surface science

Background:

Understanding liquid behavior on complex geometries is crucial for various applications.
Helical structures present unique challenges for fluid-structure interactions.
Previous studies have not fully explored the dynamic behaviors of droplets on rotating helical fibers.

Purpose of the Study:

To experimentally investigate the different behaviors of a liquid droplet on a rotating helical fiber.
To determine the phase diagram for droplet motion (sliding, attaching, climbing).
To develop a theoretical model explaining the observed droplet dynamics.

Main Methods:

Experimental setup involving a rotating helical fiber and a liquid droplet.
Systematic variation of fiber geometry, tilt angle, fluid wetting properties, and rotation speed.
Observation and recording of droplet behavior.
Development of a theoretical model based on physical principles.

Main Results:

Identified three distinct droplet behaviors: sliding down, attaching, and climbing up the fiber.
Mapped the experimental phase diagram showing the conditions for each behavior.
Demonstrated the influence of fiber geometry, tilt angle, wetting, and rotation speed on droplet motion.

Conclusions:

The motion of liquid droplets on rotating helical fibers is complex and depends on multiple parameters.
A comprehensive understanding of these parameters allows prediction and control of droplet behavior.
The proposed theoretical model provides a framework for analyzing droplet dynamics on helical structures.