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

Free Jet

Free Jet

Free jets describe the flow of liquid exiting a reservoir through an opening into the atmosphere without resistance. The velocity (v) of the liquid jet is derived using Bernoulli's principle and expressed as:

Surface Tension of Fluid

Surface Tension of Fluid

Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies with...

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

Various dissolution theories provide insight into the factors that influence the dissolution rate. Danckwerts' Model suggests that turbulence, rather than a stagnant layer, characterizes the dissolution medium at the solid-liquid interface. In this model, the agitated solvent contains macroscopic packets that move to the interface via eddy currents, facilitating the absorption and delivery of the drug to the bulk solution. The regular replenishment of solvent packets maintains the concentration...

Interfacial Electrochemical Methods: Overview

Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...

Surface Tension

Surface Tension

Surface tension is defined as the force per unit length (γ) acting along the surface of a liquid. It arises due to strong intermolecular forces of attraction. A molecule located inside the bulk of the liquid is surrounded by other molecules and experiences equal forces in all directions. However, a molecule at the surface experiences unbalanced forces because there are more neighboring molecules below than above. This creates a net inward force that pulls surface molecules toward the interior,...

Hydrostatic Pressure Force on a Plane Surface

Hydrostatic Pressure Force on a Plane Surface

When a plane surface is submerged in a fluid, hydrostatic forces develop on the surface due to the fluid's pressure. For horizontal surfaces, the pressure exerted by the fluid is uniform because the depth remains constant. The resultant force is determined by the pressure at the given depth multiplied by the area of the surface, and it acts through the centroid of the surface. For vertical surfaces, the pressure varies with depth, increasing as the distance from the fluid's free surface...

You might also read

Related Articles

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

Sort by

Same author

Ambient one-step synthesis and direct coating of highly crystalline covalent organic frameworks on arbitrary surfaces.

Science advances·2026

Same author

The 2026 guided acoustic waves roadmap.

Journal of physics D: Applied physics·2026

Same author

Electroacoustic alignment of robust and highly piezoelectric nylon-11 films.

Nature communications·2026

Same author

Sonoepigenetic Modification Mechanoprimes Early Osteogenic Commitment in Mesenchymal Stem Cells.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Same author

In Situ Coupling of MHz Acoustic Waves for the Synthesis of Hierarchical UiO-66 Metal-Organic Frameworks.

Journal of the American Chemical Society·2025

Same author

UNLEASH: Ultralow Nanocluster Loading of Pt via Electro-Acoustic Seasoning of Heterocatalysts.

Advanced materials (Deerfield Beach, Fla.)·2024

Search research articles

Related Experiment Video

Updated: Jun 21, 2026

Visualization of High Speed Liquid Jet Impaction on a Moving Surface

Visualization of High Speed Liquid Jet Impaction on a Moving Surface

Published on: April 17, 2015

Interfacial jetting phenomena induced by focused surface vibrations.

Ming K Tan¹, James R Friend, Leslie Y Yeo

¹Micro/Nanophysics Research Laboratory, Department of Mechanical Engineering, Monash University, Clayton, VIC 3800, Australia.

Physical Review Letters

|August 8, 2009

Summary

Surface acoustic waves create powerful fluid jets from drops. This phenomenon, driven by focused acoustic energy, leads to droplet formation and can be predicted by a simple momentum balance equation.

More Related Videos

Lipid Bilayer Vesicle Generation Using Microfluidic Jetting

Lipid Bilayer Vesicle Generation Using Microfluidic Jetting

Published on: February 21, 2014

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

Related Experiment Videos

Last Updated: Jun 21, 2026

Visualization of High Speed Liquid Jet Impaction on a Moving Surface

Visualization of High Speed Liquid Jet Impaction on a Moving Surface

Published on: April 17, 2015

Lipid Bilayer Vesicle Generation Using Microfluidic Jetting

Lipid Bilayer Vesicle Generation Using Microfluidic Jetting

Published on: February 21, 2014

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System

Published on: May 9, 2021

Area of Science:

Fluid Dynamics
Acoustics
Surface Science

Background:

Surface acoustic waves (SAW) generate significant accelerations.
Understanding interfacial dynamics is crucial for microfluidics and material processing.

Purpose of the Study:

To investigate fluid jetting phenomena driven by surface acoustic waves.
To characterize the formation and breakup of fluid jets under acoustic forcing.
To develop a predictive model for jet velocity.

Main Methods:

Lateral focusing of acoustic energy onto a liquid drop.
Observation of interfacial destabilization and jet formation.
Varying the acoustic energy (Weber number) to study different regimes of jetting and droplet breakup.

Main Results:

An extraordinary fluid jetting phenomenon was observed.
Above a critical Weber number, elongated jets formed for drops larger than the acoustic wavelength.
Increased Weber numbers resulted in single droplet pinch-off and subsequent multi-droplet formation.

Conclusions:

Surface acoustic waves can induce significant fluid jetting.
A simple momentum balance equation accurately predicts jet velocity.
This phenomenon offers potential for controlled droplet generation.