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 Concept Videos

Laminar and Turbulent Flow01:07

Laminar and Turbulent Flow

11.9K
Fluid dynamics is the study of fluids in motion. Velocity vectors are often used to illustrate fluid motion in applications like meteorology. For example, wind—the fluid motion of air in the atmosphere—can be represented by vectors indicating the speed and direction of the wind at any given point on a map. Another method for representing fluid motion is a streamline. A streamline represents the path of a small volume of fluid as it flows. When the flow pattern changes with time, the...
11.9K

You might also read

Related Articles

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

Sort by
Same author

An accelerating inverted wing with ground effect: downforce measurement and reconstruction.

Experiments in fluids·2026
Same author

Qualitative and Quantitative Analysis of Circulating Net-Derived Chromatin and Nucleosomes in Severe Thermal and Traumatically Injured Patients.

Shock (Augusta, Ga.)·2026
Same author

External Fields as Control Strategies to Promote Biomolecule Nucleation.

Advances in biochemical engineering/biotechnology·2026
Same author

Endovascular profiles linked to neutrophil activation in children and young adults with long COVID.

Pediatric research·2026
Same author

Ultrasound-responsive liposomes: A mechanistic framework to decode the effects of acoustic parameters.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Nouveau benzo-mimetics of 17R-Resolvin D2 are potent resolution agonists for inflammation.

iScience·2026
Same journal

Turbulent flow in a vortex separator with a directed pipe inlet.

Scientific reports·2026
Same journal

Systematic characteristic evaluation of clay-based cementitious material derived from calcium carbide residue and waste tile powder.

Scientific reports·2026
Same journal

Retraction Note: Improvement of a rapid diagnostic application of monoclonal antibodies against avian influenza H7 subtype virus using Europium nanoparticles.

Scientific reports·2026
Same journal

Applying large language models to spam detection in the Kazakh low-resource language setting.

Scientific reports·2026
Same journal

An open-source 3D printing system enabling in-situ freeze-thaw processing of hydrogels.

Scientific reports·2026
Same journal

An enhanced EfficientNet framework for automated waste classification using cosine annealing and label smoothing.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Apr 8, 2026

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
11:14

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

Published on: January 10, 2017

11.7K

Unified framework for laser-induced transient bubble dynamics within microchannels.

Nagaraj Nagalingam1, Vikram Korede1, Daniel Irimia1

  • 1Process and Energy Department, Delft University of Technology, Leeghwaterstraat 39, 2628 CB, Delft, Netherlands.

Scientific Reports
|August 13, 2024
PubMed
Summary
This summary is machine-generated.

We studied oscillating flows in confined spaces using laser-induced cavitation bubbles. Channel geometry dictates flow characteristics, and we observed unexpected flow distortions in low Reynolds number regimes.

More Related Videos

Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
08:19

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

Published on: May 9, 2021

2.1K
Multi-timescale Microscopy Methods for the Characterization of Fluorescently-labeled Microbubbles for Ultrasound-Triggered Drug Release
06:02

Multi-timescale Microscopy Methods for the Characterization of Fluorescently-labeled Microbubbles for Ultrasound-Triggered Drug Release

Published on: June 12, 2021

3.8K

Related Experiment Videos

Last Updated: Apr 8, 2026

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
11:14

A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level

Published on: January 10, 2017

11.7K
Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
08:19

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

Published on: May 9, 2021

2.1K
Multi-timescale Microscopy Methods for the Characterization of Fluorescently-labeled Microbubbles for Ultrasound-Triggered Drug Release
06:02

Multi-timescale Microscopy Methods for the Characterization of Fluorescently-labeled Microbubbles for Ultrasound-Triggered Drug Release

Published on: June 12, 2021

3.8K

Area of Science:

  • Fluid dynamics
  • Microfluidics
  • Acoustic cavitation

Background:

  • Oscillatory flow in confined spaces is crucial for physiological understanding and micro-device design.
  • Laser-induced cavitation bubbles offer a method to generate controlled oscillating flows.

Purpose of the Study:

  • To investigate the relationship between laser energy, bubble dynamics, and flow characteristics.
  • To determine the influence of channel geometry on oscillating flow parameters.
  • To identify and characterize flow instabilities in low Reynolds number regimes.

Main Methods:

  • Theoretical analysis and experimental investigation of oscillating flows.
  • Utilizing laser-induced cavitation bubbles to generate fluid motion.
  • Employing various channel geometries (shapes, sizes, lengths) to study geometric effects.
  • Analyzing flow behavior using Reynolds and Womersley numbers, and convective time scales.

Main Results:

  • Bubble size and lifetime are directly related to supplied laser energy.
  • Characteristic flow velocity, time, and energy scales are solely dependent on channel geometry.
  • Observed momentary flow distortions due to boundary layer separation during deceleration, contrary to expectations for low Reynolds number flows.
  • Characterized the emergence of distorted laminar states in two stages: onset and growth of instability.

Conclusions:

  • Channel geometry is a primary determinant of oscillating flow characteristics in confined spaces.
  • Flow instabilities can occur even in low Reynolds number oscillating flows.
  • Findings provide insights for designing microsystems that utilize pulsatile flows generated by cavitation.