Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Low inertia impact dynamics for nanodrops.

F Gentner1, R Rioboo, J P Baland

  • 1Center for Research in Molecular Modeling, Materia Nova/Université de Mons-Hainaut, Avenue Copernic, 1, 7000 Mons, Belgium.

Langmuir : the ACS Journal of Surfaces and Colloids
|June 23, 2005
PubMed
Summary

Molecular dynamics simulations reveal droplet impact dynamics on solid surfaces. The study quantizes spreading radii and dynamic contact angles, validating against experimental data and identifying distinct flow regimes.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

A possible way to extract the dynamic contact angle at the molecular scale from that measured experimentally.

Journal of colloid and interface science·2022
Same author

Taking a closer look: A molecular-dynamics investigation of microscopic and apparent dynamic contact angles.

Journal of colloid and interface science·2020
Same author

Controlling the pinning time of a receding contact line under forced wetting conditions.

Journal of colloid and interface science·2020
Same author

Moving contact lines and Langevin formalism.

Journal of colloid and interface science·2019
Same author

A molecular-dynamics study of sliding liquid nanodrops: Dynamic contact angles and the pearling transition.

Journal of colloid and interface science·2019
Same author

Contact-line fluctuations and dynamic wetting.

Journal of colloid and interface science·2019

Area of Science:

  • Fluid dynamics
  • Materials science
  • Computational physics

Background:

  • Understanding droplet dynamics on solid surfaces is crucial for various applications, including microfluidics and coating technologies.
  • Previous studies have explored droplet impact, but detailed molecular-level simulations offer deeper insights into the underlying physics.

Purpose of the Study:

  • To investigate droplet impact on a flat solid surface using molecular dynamics simulations.
  • To analyze the spreading radii and dynamic contact angles of the droplet.
  • To explore the relationship between the spontaneous driving force and the spreading velocity of the three-phase line.

Main Methods:

  • Molecular dynamics (MD) simulations were employed to model the droplet-surface interaction.
  • The droplet's shape was approximated as a spheroid for analysis.

Related Experiment Videos

  • Spreading radii and dynamic contact angles were measured from simulation data.

    • Main Results:

    • The simulation data closely matched experimental results reported in the literature.
    • A relationship was established between the difference in contact angle cosines (spontaneous driving force) and the spreading velocity.
    • Two distinct dynamic regimes were identified, dependent on the impact speed.

    Conclusions:

    • Molecular dynamics simulations provide a reliable method for studying droplet impact phenomena.
    • The identified dynamic regimes and their relationship to impact speed offer valuable data for refining theoretical models of moving contact lines.