Comparison of numerical simulations and experiments in conical gas-solid spouted bed

doi:10.1016/j.cjche.2015.07.006

Chinese Journal of Chemical Engineering ›› 2015, Vol. 23 ›› Issue (10): 1579-1586.DOI: 10.1016/j.cjche.2015.07.006

• 流体力学与传递现象 • 下一篇

Comparison of numerical simulations and experiments in conical gas-solid spouted bed

Shuyan Wang¹, Baoli Shao^1,2, Rui Liu¹, Jian Zhao¹, Yang Liu¹, Yikun Liu¹, Shuren Yang¹

1 School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318, China;
2 Institute of Petroleum Chemical, Jilin University of Chemical Technology, Jilin 132022, China

收稿日期:2014-10-29 修回日期:2015-06-04 出版日期:2015-10-28 发布日期:2015-11-27
通讯作者: Shuyan Wang
基金资助:
Supported by the National Natural Science Foundation of China (51206020), the Program for New Century Excellent Talents in University (NCET-12-0703) and the Northeast Petroleum University Foundation.

Comparison of numerical simulations and experiments in conical gas-solid spouted bed

Shuyan Wang¹, Baoli Shao^1,2, Rui Liu¹, Jian Zhao¹, Yang Liu¹, Yikun Liu¹, Shuren Yang¹

1 School of Petroleum Engineering, Northeast Petroleum University, Daqing 163318, China;
2 Institute of Petroleum Chemical, Jilin University of Chemical Technology, Jilin 132022, China

Received:2014-10-29 Revised:2015-06-04 Online:2015-10-28 Published:2015-11-27
Supported by:
Supported by the National Natural Science Foundation of China (51206020), the Program for New Century Excellent Talents in University (NCET-12-0703) and the Northeast Petroleum University Foundation.

摘要/Abstract

摘要： Flowbehavior of gas and particles in conical spouted beds is experimentally studied and simulated using the twofluid gas-solid model with the kinetic theory of granular flow. The bed pressure drop and fountain height are measured in a conical spouted bed of 100mmI.D. at different gas velocities. The simulation results are compared with measurements of bed pressure drop and fountain height. The comparison shows that the drag coefficient model used in cylindrical beds under-predicted bed pressure drop and fountain height in conical spouted beds due to the partial weight of particles supported by the inclined side walls. It is found that the numerical results using the drag coefficient model proposed based on the conical spouted bed in this study are in good agreement with experimental data. The present study provides a useful basis for further works on the CFD simulation of conical spouted bed.

关键词: Fluidization, Simulation, Experiment, Conical spouted bed, Drag coefficient model, Computational fluid dynamics

Abstract: Flowbehavior of gas and particles in conical spouted beds is experimentally studied and simulated using the twofluid gas-solid model with the kinetic theory of granular flow. The bed pressure drop and fountain height are measured in a conical spouted bed of 100mmI.D. at different gas velocities. The simulation results are compared with measurements of bed pressure drop and fountain height. The comparison shows that the drag coefficient model used in cylindrical beds under-predicted bed pressure drop and fountain height in conical spouted beds due to the partial weight of particles supported by the inclined side walls. It is found that the numerical results using the drag coefficient model proposed based on the conical spouted bed in this study are in good agreement with experimental data. The present study provides a useful basis for further works on the CFD simulation of conical spouted bed.

Key words: Fluidization, Simulation, Experiment, Conical spouted bed, Drag coefficient model, Computational fluid dynamics

Shuyan Wang, Baoli Shao, Rui Liu, Jian Zhao, Yang Liu, Yikun Liu, Shuren Yang. Comparison of numerical simulations and experiments in conical gas-solid spouted bed[J]. Chinese Journal of Chemical Engineering, 2015, 23(10): 1579-1586.

Shuyan Wang, Baoli Shao, Rui Liu, Jian Zhao, Yang Liu, Yikun Liu, Shuren Yang. Comparison of numerical simulations and experiments in conical gas-solid spouted bed[J]. Chin.J.Chem.Eng., 2015, 23(10): 1579-1586.

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Comparison of numerical simulations and experiments in conical gas-solid spouted bed

Comparison of numerical simulations and experiments in conical gas-solid spouted bed

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