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

Colloids and Suspensions01:17

Colloids and Suspensions

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles visible to the naked eye or seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. The suspended particles in a suspension settle out after some time of mixing. The separation of particles from a suspension is...
Collisions in Multiple Dimensions: Introduction01:05

Collisions in Multiple Dimensions: Introduction

It is far more common for collisions to occur in two dimensions; that is, the initial velocity vectors are neither parallel nor antiparallel to each other. Let's see what complications arise from this. The first idea is that momentum is a vector. Like all vectors, it can be expressed as a sum of perpendicular components (usually, though not always, an x-component and a y-component, and a z-component if necessary). Thus, when the statement of conservation of momentum is written for a problem,...
Collisions in Multiple Dimensions: Problem Solving01:06

Collisions in Multiple Dimensions: Problem Solving

In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
Conservation of Linear Momentum for a System of Particles01:28

Conservation of Linear Momentum for a System of Particles

In the dynamic realm of billiards, a fascinating interplay of forces governs the motion of cue balls and stationary balls. When the cue ball collides with a stationary ball, linear momentum is exchanged. The cue ball imparts a fraction of its linear momentum to the stationary ball, causing the cue ball to decelerate while initiating the motion of the stationary ball.
The impulsive force at play during this interaction is of extremely short duration, rendering its impulse negligible. When...
Colloids03:22

Colloids

Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...

You might also read

Related Articles

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

Sort by
Same author

Two-dimensional active polar semiflexible polymer under shear flow.

The Journal of chemical physics·2026
Same author

Self-assembly and non-equilibrium phase coexistence in a binary granular mixture.

The Journal of chemical physics·2025
Same author

Non-equilibrium coexistence between a fluid and a hotter or colder crystal of granular hard disks.

The Journal of chemical physics·2025
Same author

Interplay between an Absorbing Phase Transition and Synchronization in a Driven Granular System.

Physical review letters·2024
Same author

Role of testing standards in smoke-free product assessments.

Regulatory toxicology and pharmacology : RTP·2018
Same author

Differences in cadmium transfer from tobacco to cigarette smoke, compared to arsenic or lead.

Toxicology reports·2017
Same journal

From Cation Solvation to Anion Coordination: Lewis-Acidic Boranes Enable Halide Salt Electrolytes.

The journal of physical chemistry. B·2026
Same journal

In Vitro-Prepared A30P Alpha-Synuclein Fibrils Adopt the Conserved and Disease-Relevant Greek Key Fold.

The journal of physical chemistry. B·2026
Same journal

Metastructure Analysis of Self-Assembled Nanocubes with Different Equatorial Methyl Groups Based on Molecular Dynamics Simulations.

The journal of physical chemistry. B·2026
Same journal

A Cocoordinated <sup>1</sup>H Internal Reference Quantifies Proton-Exchange Bias in Coordinated-Water Diffusion.

The journal of physical chemistry. B·2026
Same journal

Unveiling Electrolyte-Dependent Coordination Site Dynamics for Redox Mediator Design in Lithium-O<sub>2</sub> Batteries: Exchange vs Rearrangement.

The journal of physical chemistry. B·2026
Same journal

The Role of Functional Groups in Substituted Benzoic Acids Used as Dopants in Liquid Crystal Mixtures on the Nematic-Isotropic Transitions.

The journal of physical chemistry. B·2026
See all related articles

Related Experiment Video

Updated: May 29, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

Backtracking of colloids: a multiparticle collision dynamics simulation study.

M Belushkin1, R G Winkler, G Foffi

  • 1Institute of Theoretical Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne. maxim.belushkin@epfl.ch

The Journal of Physical Chemistry. B
|August 30, 2011
PubMed
Summary
This summary is machine-generated.

Sound waves can influence small particles in fluids, causing a temporary viscoelastic effect. This sonic effect, known as backtracking, was observed in simulations but disappears over long times.

More Related Videos

A Protocol for Real-time 3D Single Particle Tracking
10:16

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System
09:44

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Published on: June 5, 2014

Related Experiment Videos

Last Updated: May 29, 2026

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures
10:56

Confocal Imaging of Confined Quiescent and Flowing Colloid-polymer Mixtures

Published on: May 20, 2014

A Protocol for Real-time 3D Single Particle Tracking
10:16

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System
09:44

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Published on: June 5, 2014

Area of Science:

  • Physics
  • Fluid Dynamics
  • Computational Science

Background:

  • The role of sound in mesoscale systems is often overlooked due to its rapid time scales.
  • Theoretical predictions suggest sound can induce viscoelastic-like behavior in nonviscoelastic fluids for small embedded objects.
  • This phenomenon arises from the interference of sound waves and hydrodynamic vortex formation.

Purpose of the Study:

  • To demonstrate and investigate the sound-induced viscoelastic effect, termed backtracking, in mesoscale systems.
  • To analyze the influence of sound on solute particle dynamics using computational simulations.
  • To determine the long-time behavior and significance of sonic effects at the single-particle level.

Main Methods:

  • Utilized multiparticle collision dynamics (MPCD) simulations.
  • Systematically studied the dynamics of solute particles in a fluid solvent.
  • Investigated the impact of sound wave propagation on particle motion.

Main Results:

  • Successfully demonstrated the backtracking effect in computer simulations.
  • Observed that the influence of sound on solute particle dynamics diminishes over time.
  • Confirmed the theoretical predictions regarding sound-induced viscoelasticity.

Conclusions:

  • Sonic effects play a significant, albeit temporary, role in the dynamics of mesoscale systems.
  • The observed backtracking phenomenon is transient and disappears in the long-time limit.
  • At sufficiently long observation times, sonic effects at the single-particle level can be disregarded in mesoscale simulations.