Artículo
Large Mpemba-like effect in a gas of inelastic rough hard spheres
Autor/es | Torrente, Aurora
López Castaño, Miguel A. Lasanta, Antonio Vega Reyes, Francisco Prados Montaño, Antonio Santos, Andrés |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2019 |
Fecha de depósito | 2020-04-27 |
Publicado en |
|
Resumen | We report the emergence of a giant Mpemba effect in the uniformly heated gas of inelastic rough hard spheres: The initially hotter sample may cool sooner than the colder one, even when the initial temperatures differ by ... We report the emergence of a giant Mpemba effect in the uniformly heated gas of inelastic rough hard spheres: The initially hotter sample may cool sooner than the colder one, even when the initial temperatures differ by more than one order of magnitude. In order to understand this behavior, it suffices to consider the simplest Maxwellian approximation for the velocity distribution in a kinetic approach. The largeness of the effect stems from the fact that the rotational and translational temperatures, which obey two coupled evolution equations, are comparable. Our theoretical predictions agree very well with molecular dynamics and direct simulation Monte Carlo data |
Agencias financiadoras | Ministerio de Ciencia, Innovación y Universidades (MICINN). España Agencia Estatal de Investigación. España Junta de Extremadura |
Identificador del proyecto | MTM2017-84446-C2-2-R (A.L. and A.T.)
No. FIS2016-76359-P (F.V.R. and A.S.) No. FIS2017-84440-C2- 2-P (A.T.) No. PGC2018-093998-B-I00 (A.P.) IB16087 GR18079 |
Cita | Torrente, A., López Castaño, M.A., Lasanta, A., Vega Reyes, F., Prados Montaño, A. y Santos, A. (2019). Large Mpemba-like effect in a gas of inelastic rough hard spheres. Physical Review E, 99, 1-6. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
pubPhysRevE.99.060901.2pdf.pdf | 600.0Kb | [PDF] | Ver/ | |