煤烧圆家重点实验宝 Note: In the above mentioned states, the particles move within certain height above distributor 5)Fast Fluidization(Circulating Fluidization) uf-u u Properties axis: s distribution radii: core -annular flow local: cluster 6) Fluidization Figure National Lab, of Coal Combustion. HUST Wuhan 430074 P R CHINA E-mail:pcbnlcc@hust.edu.cnNL CC National Lab. of Coal Combustion, HUST Wuhan 430074, P. R. CHINA E-mail: pcbnlcc@hust.edu.cn Note: In the above mentioned states, the particles move within certain height above distributor. 5) Fast Fluidization (Circulating Fluidization) uf - up > ut Properties: axis: S distribution radii: core -annular flow local: cluster 6) Fluidization Figure