Temperature measurement under convection and segregation in a vibrated bed of powder: A numerical study

In numerically simulated vibrated beds of powder, we measure temperature under convection by the generalized Einstein's relation. The spatial temperature distribution turns out to be quite uniform except for the boundary layers. In addition to this, temperature remains uniform even if segregati...

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Veröffentlicht in:Granular matter 2006-03, Vol.8 (1), p.27-33
Hauptverfasser: Kiyono, S., Taguchi, Y.-h.
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description In numerically simulated vibrated beds of powder, we measure temperature under convection by the generalized Einstein's relation. The spatial temperature distribution turns out to be quite uniform except for the boundary layers. In addition to this, temperature remains uniform even if segregation occurs. This suggests the possibility that there exists some thermal equilibrium state even in a vibrated bed of powder. This finding may lead to a unified view of the dynamic steady state of granular matter. [PUBLICATION ABSTRACT]
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subjects Boundary layer
Boundary layers
Convection
Equilibrium
Temperature
Temperature distribution
Temperature measurement
title Temperature measurement under convection and segregation in a vibrated bed of powder: A numerical study
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