Origin of the anomalous heat current in collisional granular fluids

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dc.creatorCandela, D.
dc.creatorWalsworth, R. L.
dc.date2005-10-11
dc.date.accessioned2026-07-07T06:44:17Z
dc.date.available2026-07-07T06:44:17Z
dc.descriptionWe present a heuristic explanation for the anomalous (density-gradient-dependent) heat current in collisional granular fluids. Inelastic grain collisions lead to highly non-equilibrium states which are characterized by large spatial gradients and/or temporal variations in the granular temperature. It is argued that the heat current in such non-equilibrium states is driven by the temperature gradient averaged over the typical collision time and/or mean free path. Due to the density dependence of the inelastic energy loss, the nonlocal averaging of the temperature gradient leads to an effective dependence of the heat current upon the density gradient.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0510295
dc.identifierhttp://arxiv.org/abs/cond-mat/0510295
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/102732
dc.subjectSoft Condensed Matter
dc.titleOrigin of the anomalous heat current in collisional granular fluids
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