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Mostrando ítems 21-30 de 41
Artículo
Transversal inhomogeneities in dilute vibrofluidized granular fluids
(American Physical Society, 2002)
The spontaneous symmetry breaking taking place in the direction perpendicular to the energy flux in a dilute vibrofluidized granular system is investigated, using both a hydrodynamic description and simulation methods. The ...
Ponencia
Heat Flux in a Granular Gas
(AIP Publishing, 2012)
A peculiarity of the hydrodynamic Navier-Stokes equations for a granular gas is the modification of the Fourier law, with the presence of an additional contribution to the heat flux that is proportional to the density ...
Artículo
Hydrodynamic profiles for an impurity in an open vibrated granular gas
(American Physical Society, 2006)
The hydrodynamic state of an impurity immersed in a low density granular gas is analyzed. Explicit expressions for the temperature and density fields of the impurity in terms of the hydrodynamic fields of the gas are ...
Artículo
Scaling and universality of critical fluctuations in granular gases
(American Physical Society, 2005-03-11)
The total energy fluctuations of a low-density granular gas in the homogeneous cooling state near the threshold of the clustering instability are studied by means of molecular dynamics simulations. The relative dispersion ...
Tesis Doctoral
Artículo
Hydrodynamic Maxwell demon in granular systems
(American Physical Society, 2001)
Spontaneous symmetry breaking in a vibrated system confined into two connected compartments in the absence of external fields is reported. For a small number of particles, the grains are equipartitioned, but if it is ...
Artículo
Steady-state representation of the homogeneous cooling state of a granular gas
(American Physical Society, 2004)
The properties of a dilute granular gas in the homogeneous cooling state are mapped to those of a stationary state by means of a change in the time scale that does not involve any internal property of the system. The new ...
Artículo
Energy fluctuations in the homogeneous cooling state of granular gases
(American Physical Society, 2004)
Starting from the hierarchy of equations for microscopic densities in phase space, a general theory for fluctuations and correlations in a dilute granular gas of hard particles is developed. Then, the particular case ...
Artículo
Steady self-diffusion in classical gases
(IOP Publishing Ltd., 2013-08)
A steady self-diffusion process in a gas of hard spheres at equilibrium is analyzed. The system exhibits a constant gradient of labeled particles. Neither the concentration of these particles nor its gradient are assumed ...
Artículo
Validity of the Boltzmann equation to describe low-density granular systems
(American Physical Society, 2004)
The departure of a granular gas in the instable region of parameters from the initial homogeneous cooling state is studied. Results from molecular dynamics and from direct Monte Carlo simulation of the Boltzmann equation ...