Modeling of solids segregation in circulating fluidized bed boilers Xuan YAO 1 ;Tao WANG 1 ;Jia ZHAO 2 ;Hairui YANG 1 ;Hai ZHANG 1 ; 1. Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Thermal Engineering, Tsinghua University, Beijing 100084, China ; 2. Department of Mathematics and Applied Science, School of Applied Science, University of Science and Technology Beijing, Beijing 100083, China ; Fig.5 Size distributions of ashes in 220 th CFB boiler Frontiers in Energy,2011,5(1),115-119. Doi:10.1007/s11708-010-0103-0