Local slip velocity in a downer

Avidan, 1982, Bed expansion in high velocity fluidization, Powder Technol., 32, 223, 10.1016/0032-5910(82)85024-9 Cao, 1995, Gas-solids velocity profiles and slip phenomenon in a cocurrent downflow circulating fluidized bed, J. Chem. Ind. Eng., 46, 180 Cheng, C. L. (2001). Energy-Minimization Multi-scale Core-Annulus Model for Circulating Fluidized Beds. PhD thesis, Institute of Process Engineering, Chinese Academy of Sciences. Li, 1994 Li, 2002, Prediction of radial solids concentration distributions in a downer based on the EMMS model, Chin. J. Process Eng., 349 Xu, 1998, Analytical solution of the energy-minimization multi-scale model for gas–solid two-phase flow, Chem. Eng. Sci., 53, 1349, 10.1016/S0009-2509(97)00424-7 Yang, 1992, Investigation on slip velocity distributions in the riser of dilute circulating fluidized bed, Powder Technol., 73, 67, 10.1016/0032-5910(92)87008-X Yerushalmi, 1979, Further studies of the regimes of fluidization, Powder Technol., 24, 187, 10.1016/0032-5910(79)87036-9 Yerushalmi, 1978, Flow regimes in vertical gas-solid contact systems, AIChE Symp. Ser., 74, 1 Zou, 1994, Cluster structure in a circulating fluidized bed, Powder Technol., 78, 173, 10.1016/0032-5910(93)02786-A