抄録
A review on the classical two phase flow theory is carried out in this paper, based on the updated theories and experimental works of the 1990s. Recent developments of the emulsion phase characterization methods using powder rheology in fine powder fluidized beds are introduced and reviewed. Particularly, the physical meaning and significance of incipient bubbling points are interpreted in terms of the fracture model. The significance of flow characteristic functions of aerated fine powders, obtained theoretically and experimentally, is explained.
