Liao C C, Hsiau S S, Nien H C
Department of Mechanical Engineering, National Central University, No. 300, Jhongda Road, Jhongli 32001, Taiwan, Republic of China.
Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Jun;89(6):062204. doi: 10.1103/PhysRevE.89.062204. Epub 2014 Jun 13.
Granular mixtures may segregate because of external driving forces, which play an important role in industry and geophysics. We investigate experimentally the mechanism of density-driven spontaneous streak segregation patterns in a thin rotating drum. We find that a spontaneous streak segregation pattern can occur in such a system, which we call a D-system. A phase diagram identifies three segregation pattern regimes in this study: the mixing regime, the core segregation regime, and the streak segregation regime.
颗粒混合物可能会由于外部驱动力而发生分离，这在工业和地球物理学中起着重要作用。我们通过实验研究了薄旋转鼓中密度驱动的自发条纹分离模式的机制。我们发现，在这样一个系统中会出现一种自发条纹分离模式，我们将其称为D系统。在本研究中，相图确定了三种分离模式状态：混合状态、核心分离状态和条纹分离状态。
