Artículo
Homogeneous hydrodynamics of a collisional model of confined granular gases
Autor/es | Brey Abalo, José Javier
Maynar Blanco, Pablo García de Soria Lucena, María Isabel Buzón Díaz, Vicente |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2014 |
Fecha de depósito | 2020-05-25 |
Publicado en |
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Resumen | The hydrodynamic equation governing the homogeneous time evolution of the temperature in a model of confined granular gas is studied by means of the Enskog equation. The existence of a normal solution of the kinetic equation ... The hydrodynamic equation governing the homogeneous time evolution of the temperature in a model of confined granular gas is studied by means of the Enskog equation. The existence of a normal solution of the kinetic equation is assumed as a condition for hydrodynamics. Dimensional analysis implies a scaling of the distribution function that is used to determine it in the first Sonine approximation, with a coefficient that evolves in time through its dependence on the temperature. The theoretical predictions are compared to numerical results obtained by the direct simulation Monte Carlo method and a good agreement is found. The relevance of the normal homogeneous distribution function to derive inhomogeneous hydrodynamic equations, for instance using the Champan-Enskog algorithm, is indicated |
Agencias financiadoras | Ministerio de Educación y Ciencia (MEC). España |
Identificador del proyecto | Grant No. FIS2011-24460 |
Cita | Brey Abalo, J.J., Maynar Blanco, P., García de Soria Lucena, M.I. y Buzón Díaz, V. (2014). Homogeneous hydrodynamics of a collisional model of confined granular gases. Physcial Review E, 89 (5), 052209-1-052209-8. |
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pubPhysRevE.89.052209.pdf | 267.8Kb | [PDF] | Ver/ | |