TY - SER AU - Jia, Zhengrui AU - Geng, Shujun AU - liu, Xiaoxing AU - Tian, Tian TI - Two-Fluid Modeling of Geldart a Particles in Gas-Solid Bubbling Fluidized Bed: Assessment of Drag Models and Solid Viscosity Correlations KW - Cfd KW - Bubbling Fluidized Bed KW - Geldart a Particle ER -