Ponencia
Heat flux in a vibrated granular gas: the diffusive heat conductivity coefficient
Autor/es | Brey Abalo, José Javier
Ruiz Montero, María José |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2005 |
Fecha de depósito | 2020-07-30 |
Publicado en |
|
ISBN/ISSN | 0094-243X (impreso) 1551-7616 (electrónico) |
Resumen | The transport coefficient coupling heat flux and density gradient in a granular gas is measured by taking advantage of the existence of a minimum in the temperature profile of an open vibrated granular medium. This temperature ... The transport coefficient coupling heat flux and density gradient in a granular gas is measured by taking advantage of the existence of a minimum in the temperature profile of an open vibrated granular medium. This temperature inversion is closely related to the existence of the new transport coefficient. Particle simulations using the Direct Simulation Monte Carlo method will be used to compute the transport coefficient, and the results will be compared with theoretical predictions derived from the Boltzmann equation. Finally, the accuracy of a boundary condition requiring the hydrodynamic heat flux to vanish for infinite heights will be discussed. |
Agencias financiadoras | Ministerio de Ciencia y Tecnología (MCYT). España |
Identificador del proyecto | BFM2002- 00303 |
Cita | Brey Abalo, J.J. y Ruiz Montero, M.J. (2005). Heat flux in a vibrated granular gas: the diffusive heat conductivity coefficient. En 24th International Symposium on Rarefied Gas Dynamics (RGD24) (809-814), Bari, (Italia): AIP Publishing. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
Heat flux in a vibrated granular ... | 368.1Kb | [PDF] | Ver/ | |