Trujillo, Leonardo; Herrmann, Hans J. - In: Physica A: Statistical Mechanics and its Applications 330 (2003) 3, pp. 519-542
We present a hydrodynamic theoretical model for “Brazil nut” size segregation in granular materials. We give analytical solutions for the rise velocity of a large intruder particle immersed in a medium of monodisperse fluidized small particles. We propose a new mechanism for this particle...