scholarly journals Generalized time evolution of the homogeneous cooling state of a granular gas with positive and negative coefficient of normal restitution

2018 ◽  
Vol 2018 (4) ◽  
pp. 043210 ◽  
Author(s):  
Nagi Khalil
Keyword(s):  
Time Evolution ◽  
Negative Coefficient ◽  
Granular Gas ◽  
Generalized Time ◽  
Homogeneous Cooling State

scholarly journals Magnetically heated granular gas in a low-gravity environment

2021 ◽  
Vol 249 ◽  
pp. 04002
Author(s):  
Peidong Yu ◽  
Matthias Schröter ◽  
Masato Adachi ◽  
Matthias Sperl
Keyword(s):  
Spatial Distribution ◽  
High Velocity ◽  
Cluster Formation ◽  
Spherical Particles ◽  
Particle Interactions ◽  
External Excitation ◽  
Low Gravity ◽  
Magnetic Forces ◽  
Granular Gas ◽  
Homogeneous Cooling State

Magnetic forces are used to heat up thousands of spherical particles under low-gravity. This long range external excitation, combined with the induced particle-particle interactions, results in a homogeneous spatial distribution of the particles. Comparisons with predictions of kinetic theories can hence be carried out. Haff’s cooling law is verified qualitatively, while the measured cooling time scale is quantitatively different from the prediction. The high velocity tail of the velocity distribution during homogeneous cooling state (HCS) is measured, while the expected cluster formation after HCS can not be verified by our experiment.

scholarly journals Correlation of spin and velocity in the homogeneous cooling state of a granular gas of rough particles

2009 ◽  
Vol 179 (1) ◽  
pp. 91-111 ◽  
Author(s):  
W.T. Kranz ◽  
N.V. Brilliantov ◽  
T. Pöschel ◽  
A. Zippelius
Keyword(s):  
Granular Gas ◽  
Homogeneous Cooling State

A COMPARISON BETWEEN ZIRCON-RUTILE THERMOMETRY OF ECLOGITES: IMPLICATIONS FOR TEMPERATURE-TIME EVOLUTION OF THE NORTH QAIDAM UHP TERRANE, CHINA

2017 ◽  
Author(s):  
David Hernández-Uribe ◽  
◽  
Chris G. Mattinson ◽  
Owen K. Neill ◽  
Andrew Kylander-Clark ◽  
...  
Keyword(s):  
Time Evolution ◽  
The North ◽  
North Qaidam ◽  
Temperature Time
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