Experimental study of a granular gas homogeneously driven by particle rotations | Zendy

Éric Falcon | Zendy; J.-C. Bacri | Zendy; C. Laroche | Zendy

AI Assistant Blog Pricing

Home ZAIA Blog

Open Access

Experimental study of a granular gas homogeneously driven by particle rotations

Author(s) -

Éric Falcon,

J.-C. Bacri,

C. Laroche

Publication year - 2013

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4812056

Subject(s) - container (type theory) , dissipative system , mechanics , particle (ecology) , magnetic field , forcing (mathematics) , dissipative particle dynamics , classical mechanics , physics , granular material , statistical physics , materials science , thermodynamics , nuclear magnetic resonance , oceanography , atmospheric sciences , quantum mechanics , composite material , geology , polymer

We report an experimental study of a dilute “gas” of magnetic particles subjected to a vertical alternating magnetic field in a 3D container. Due to the torque exerted by the field on the magnetic moment of each particle, a spatially homogeneous and random forcing is reached where only rotational motions are driven. This forcing differs significantly from boundarydriven systems used in most previous experimental studies on non equilibrium dissipative granular gases. Here, no cluster formation occurs, and the equation of state displays strong analogy with the usual gas one apart from a geometric factor. These observations and the measurement of collision statistics at a container wall are well explained by a simple model, and enable to better understand out-of-equilibrium systems uniformly “heated”.

The content you want is available to Zendy users.

Already have an account? Click here to sign in.

Having issues? You can contact us here

Accelerating Research