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

Shock Waves01:16

Shock Waves

2.1K
While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high...
2.1K
Echo01:06

Echo

1.2K
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
1.2K
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

1.7K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.7K
Sound Waves: Interference00:53

Sound Waves: Interference

4.1K
Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...
4.1K
Sound Waves: Resonance01:14

Sound Waves: Resonance

2.8K
Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
2.8K
Sound as Pressure Waves01:17

Sound as Pressure Waves

3.3K
Sound waves, which are longitudinal waves, can be modeled as the displacement amplitude varying as a function of the spatial and temporal coordinates. As a column of the medium is displaced, its successive columns are also displaced. As the successive displacements differ relatively, a pressure difference with the surrounding pressure is created. The gauge pressure varies across the medium.
The pressure fluctuation depends on the difference in displacements between the successive points in the...
3.3K

You might also read

Related Articles

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

Sort by
Same author

Reduced/No Dexamethasone With Netupitant/Palonosetron and Olanzapine for Chemotherapy‑Induced Nausea/Vomiting in Highly Emetogenic Chemotherapy: Phase III Noninferiority Trial.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology·2026
Same author

Association between ultra-processed food exposure and gestational diabetes mellitus by diet balance index for pregnancy in Chinese women.

Asia Pacific journal of clinical nutrition·2026
Same author

Global Research Trends and Knowledge Structure in Autoimmune Gastritis and <i>Helicobacter pylori</i>: A Comprehensive Bibliometric Analysis (1991-2025).

Journal of inflammation research·2026
Same author

Occlusion Break Surge Performance of a Next Generation Phacoemulsification System.

Journal of cataract and refractive surgery·2026
Same author

Dose-Response And Threshold Effects of a C-reactive Protein-Triglyceride-Glucose Composite Index and Endometriosis Risk: A Cross-Sectional Study.

Journal of visualized experiments : JoVE·2026
Same author

Three-dimensional passive localization of near-surface targets using a deep-sea bottom mounted horizontal array.

JASA express letters·2026

Related Experiment Video

Updated: Apr 27, 2026

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

2.5K

Acoustic streaming of a sharp edge.

Mikhail Ovchinnikov1, Jianbo Zhou1, Satish Yalamanchili1

  • 1Alcon Research, LTD., 20511 Lake Forest Drive, Lake Forest, California 92630.

The Journal of the Acoustical Society of America
|July 5, 2014
PubMed
Summary
This summary is machine-generated.

Anomalous acoustic streaming from vibrating sharp edges creates high-velocity jets, significantly exceeding Rayleigh streaming predictions. This phenomenon, driven by localized fluid forces, is accurately modeled by numerical simulations.

More Related Videos

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

16.9K
Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces
10:21

Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces

Published on: July 26, 2016

12.5K

Related Experiment Videos

Last Updated: Apr 27, 2026

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

2.5K
Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics
12:26

Fabrication, Operation and Flow Visualization in Surface-acoustic-wave-driven Acoustic-counterflow Microfluidics

Published on: August 27, 2013

16.9K
Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces
10:21

Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces

Published on: July 26, 2016

12.5K

Area of Science:

  • Fluid Dynamics
  • Acoustics
  • Acoustic Streaming

Background:

  • Acoustic streaming, a fluid flow induced by sound waves, is typically weak.
  • High-velocity acoustic streaming has been observed emanating from sharp edges of vibrating solids.

Purpose of the Study:

  • Investigate the mechanism behind anomalous acoustic streaming from sharp edges.
  • Quantify streaming velocities and their dependence on vibration parameters.

Main Methods:

  • Two-dimensional numerical simulations using perturbation theory (steady-state) and direct Navier-Stokes solutions (transient).
  • Experimental validation of numerical predictions for a sharp-edged vibrating blade.
  • Dimensional analysis to determine the dependence of streaming on frequency and velocity.

Main Results:

  • Acoustic streaming velocities at sharp edges are orders of magnitude higher than Rayleigh streaming.
  • A localized time-independent body force at sharp edges drives a fluid jet.
  • Numerical simulations accurately predict experimental observations.

Conclusions:

  • Anomalous acoustic streaming originates from the centrifugal force of acoustic fluid flow around sharp edges.
  • A dependence law for acoustic streaming on frequency and velocity was derived and confirmed.
  • The findings provide a new understanding of sound-induced fluid motion.