Population Balance Model Simulation of the Particle Effect on Flow Hydrodynamics in Slurry Beds
Wu Su
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorXiaogang Shi
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorYingya Wu
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorJinsen Gao
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorCorresponding Author
Xingying Lan
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Correspondence: Xingying Lan ([email protected]), China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road 18102249 Beijing,China.Search for more papers by this authorWu Su
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorXiaogang Shi
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorYingya Wu
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorJinsen Gao
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Search for more papers by this authorCorresponding Author
Xingying Lan
China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road, 18102249 Beijing, China
Correspondence: Xingying Lan ([email protected]), China University of Petroleum, State Key Laboratory of Heavy Oil Processing, Fuxue Road 18102249 Beijing,China.Search for more papers by this authorAbstract
Computational fluid dynamics (CFD) simulation can provide in-depth knowledge on hydrodynamics in slurry-bed reactors. The accuracy of CFD simulation is highly depending on the description of the interactions between gas phase and slurry phase with the drag model. Conventional drag models were usually developed for gas-liquid systems without considering the presence of particles in slurry-bed reactors. A modified drag model is proposed by taking into account the effect of particles. Simulation results proved the accuracy of the model in predicting hydrodynamics in the slurry bed. A higher particle concentration can increase the gas velocity and decrease the gas holdup due to the lower drag force between gas phase and slurry phase. The bubble size is predicted to be larger at higher particle concentrations due to the increased liquid eddy length scale. Considering the particle effect is critical for accurately simulating slurry-bed reactors.
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