Table 5: Boundary conditions for the CFD riser simulation.

Gas phaseSolid phase

Main inletMass flow rate:
 kg/s;
Temperature: 900 K

Secondary inletMass flow rate:Mass flow rate:
 kg/s; recirculation function;
Temperature: 624 K Temperature: 624 K

OutletPressure: 0 PaPressure: 0 Pa

WallsNo slip Free slip
Heat flux: −175 W/m2Heat flux: −175 W/m2