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

Velocity fluctuations in electrostatically driven granular media.

I S Aranson1, J S Olafsen

  • 1Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|January 7, 2003
PubMed
Summary
This summary is machine-generated.

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

Ultrasound Localization of Nitinol Wire of Sub-Wavelength Dimension.

IEEE open journal of engineering in medicine and biology·2022
Same author

Flagella bending affects macroscopic properties of bacterial suspensions.

Journal of the Royal Society, Interface·2017
Same author

Flexibility of bacterial flagella in external shear results in complex swimming trajectories.

Journal of the Royal Society, Interface·2014
Same author

Model of dynamic self-assembly in ferromagnetic suspensions at liquid interfaces.

Physical review. E, Statistical, nonlinear, and soft matter physics·2013
Same author

Viscosity control of the dynamic self-assembly in ferromagnetic suspensions.

Physical review letters·2013
Same author

Model for dynamic self-assembled magnetic surface structures.

Physical review. E, Statistical, nonlinear, and soft matter physics·2010

Particle velocity distributions in granular gases deviate significantly from standard models. Experimental and simulation data reveal stretched exponential behavior, indicating non-Gaussian properties in inelastic gases.

Area of Science:

  • Physics
  • Granular Materials Science

Background:

  • Dilute granular gases exhibit complex dynamics.
  • Understanding particle velocity distributions is crucial for granular flow modeling.

Purpose of the Study:

  • To experimentally investigate particle velocity fluctuations in an electrostatically driven dilute granular gas.
  • To compare experimental findings with molecular dynamics simulations.

Main Methods:

  • Experimental measurements of particle velocity fluctuations.
  • Molecular dynamics simulations of granular gas behavior.

Main Results:

  • Observed strong deviations from Maxwellian velocity distributions.
  • Identified stretched exponential tails in distribution functions (exponent ~3/2).

Related Experiment Videos

  • Molecular dynamics simulations qualitatively agreed with experimental data.

    • Conclusions:

    • Non-Gaussian velocity distributions are characteristic of this granular gas system.
    • The findings suggest this behavior is typical for inelastic gases with various interaction types.