 Gassolid Eulerian flow model  
 Governing equations  
 Continuity equations:    Gasphase:  
(A)  Solidphase:   (B)  Momentum equations:    Gasphase:      (C)  Solidphase:      (D)  Energy equations:    Gasphase:      (E)  Solidphase:   (F)  Species conservation:   (G)  Reynolds stresses:         (H) 
 Constitutive equations  
 Gassolid momentum exchange (Gidaspow drag model):    when ,   (I)  when ,   (J)  for ,   (K)  for ,   (L)  Gassolid heat exchange:   (M)  Kinetic theory of granular flow:    Solids pressure:   (N)  Radial distribution:   (O)  Granular temperature:   (P)  where,   (Q)    (R)    (S)    (T) 

