Discrete particle simulation and visualized research of the gas-solid flow in fluidized beds with L-type wind caps

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering

Volumn 23, Issue 7, 2003, Pages 183-190

  Yin, Bin ^a   Zhang, Ming Chuan ^a   Wu, Jiang ^a   Song, Yu Bao ^a   Dou, Bin Lin ^a   Tang, Chun Jie ^a  

^a SHANGHAI JIAO TONG UNIVERSITY   (China)

Author keywords

Discrete particle simulation; Fluidized bed; Gas solid flow; L type wind cap; Visualization

Indexed keywords

FLOW VISUALIZATION; NAVIER STOKES EQUATIONS; TWO PHASE FLOW;

DISCRETE PARTICLE SIMULATION; GAS SOLID FLOW; L TYPE WIND CAP;

FLUIDIZED BEDS;

EID: 0242334557     PISSN: 02588013     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (19)

1. Gidaspow D, Multiphase flow and fluidization [M]. San Diego: Academic Press, 1994.
2. Kuipers J A M, Van Duin, K J Van Beckum, et al. A numerical model of gas-fluidized beds [J]. Chem. Engng. Sci., 1992, 47: 1913-1924.
3. Cundall P A, Strack O D L. A discrete numerical model for granular assemblies [J]. Geotechnique, 1979, 29: 47-65
4. Xu B H, Y A B. Numerical simulation of the gas-solid in a fluidized bed by combining discrete particle method with computation fluid dynamics [J]. Chem. Engng. Sci., 1997, 52: 2785-2809.
5. Enwald H, Feirano E, Almstedt A E. Eulerian two-phase flow theory applied to fluidization [J]. Int.J. Multiphase Flow 1996, 22(sup.): 21-66.
6. Tsuji Y, Kawaguchi T, Tanaka T. Discrete particle simulation of two dimensional fluidized bed [J]. Powder Technol, 1993, 77: 79-87.
7. Hoomans B P B, Kuipers J A M, Briels et al. Discrete particle simulation of bubble and slug formation in a two-dimensional gas-fluidized bed: A hard-sphere approach [J]. Chem. Engng. Sci. 1996, 51: 99-108.
8. Bi H T, Grance J R. Flow regime diagrams for gas-solid fluidization and upward transport [J]. Int. J. Multiphase Flow, 1995, 21: 1229-1236.
9. Wen C Y, Yu Y H. (1966). Mechanics of fluidization [C]. Chem. Engng Prog. Symp. Ser., 1966, 100-105.
10. Hu H H, Direct simulation of flows of solid-liquid mixtures [J]. Int. J. Multiphase Flow, 1996, 22: 335-352.
11. Ito M, Tsukada M, Shimamura J, et al. Prediction of cluster size and slip velocity in circulating fluidized bed by DSMC method. In L.S. Fan, T.M. Knowlton (Eds) [C]. Proceeding of the 9th engng. Foundation conf of fluidization 1998, 525-532. New York: Engineering Foundation, Inc.
12. Yuan Zhulin, Xu Shisen. Simulation research on the moving granular bed dust filter and experimental contrast [J]. Proceedings of the CSEE, 2002, 22(4): 41-45.
13. Haile J M, Molecular dynamics simulation: Elementary method [M]. Wiley: New York, 1992.
14. Yao Jun, Chen Lihua, Fan Jianren, et al. Numerical simulation of a new method for protecting bends from erosion in gas-particle flows [J]. Proceedings of the CSEE, 2002, 22(5): 134-138.
15. Saadevandi B A, Turton R. The application of computer-based imaging to the measurements of particle velocity and voidage profiles in a fluidized bed [J]. Powder Technol, 1998, 98: 183-189.
16. Horio M, Kuroki H. Three-dimensional flow visualization of dilutely dispersed solids in bubbling and circulating fluidized bed [J]. Chem. Engng. Sci., 1994, 49: 2413-2421.
17. Tadrist L T, Moortel V D. Experimental analysis of the two-phase flow structure in a circulating fluidized bed by image processing. In: M. Kwauk, J. Li (Eds.) [C]. Proc. 5th Int. Conf. Circulating Fluidized Beds, Science Press. Beijing, 1996.
18. Chen R C, Fan L S. Particle image velocimetry for characterizing the flow structure in three-dimensional gas-liquid-solid fluidized beds [J]. Chem. Engng. Sci. 1992, 47(13/14): 3615-3622.
19. Rudnick L U C, Werther J, et al. Visualization of flow structures inside a circulating fluidized bed by laser sheet and image processing [J]. Powder Technol, 1999, 14: 71-83.