Flow structures in the downer circulating fluidized bed

Chemical Engineering Journal

Volumn 112, Issue 1-3, 2005, Pages 23-31

  Lu, Xuesong ^a   Li, Songgeng ^a   Du, Lin ^a   Yao, Jianzhong ^a   Lin, Weigang ^a   Li, Hongzhong ^a  

^a INSTITUTE OF PROCESS ENGINEERING   (China)

Author keywords

Cluster; Downer; Flow structure

Indexed keywords

FLOCCULATION; PROBABILITY DENSITY FUNCTION;

CLUSTER; DOWNER; FLOW STRUCTURES; VOIDAGE SIGNALS;

FLUIDIZED BEDS;

CIRCULATION; FLOW STRUCTURE; FLUIDIZED BED;

EID: 24944505961     PISSN: 13858947     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cej.2005.06.002     Document Type: Article

References (30)

1. Y.L. Yang, Y. Jin, and Z.Q. Yu Paritcle flow pattern in a dilute concurrent upflow and down flow circulating fluidized bed M. Kwauk M. Hasatani Fluidization'91: Science and Technology 1991 Science Press Beijing 66 75
2. S. Krol, A. Pekediz, and H. De Lasa Particle clustering in down flow reactors Powder Technol. 108 2000 6 20
3. Minghui Zhang, Zhen Qian, and Hao Yu Analysis of flow structure in large-scale circulating fluidized beds J. Chem. Ind. Eng. (China) 54 2 2003 182 187
4. A.K. Sharma, Transient studies in fast-fluidized beds, Doctoral Dissertation, Lehigh University, USA, 2000.
5. C.H. Soong, K. Tuzla, and J.C. Chen The identification of particle clusters in circulating fluidized bed A.A. Avidan Circulating Fluidized Bed IV 1993 Engineering Foundation New York 615 620
6. Y. Li, and M. Kwauk The dynamics of fast fluidization J.R. Grace J.M. Matsen Fluidization III 1980 Plenum Press New York 537 544
7. M. Horio, and R. Clift A note on terminology: 'cluster' and 'agglomerates' Powder Technol. 70 1992 196
8. C.M.H. Brereton, and J.R. Grace Microstructural aspects of the behavior of circulating fluidized beds Chem. Eng. Sci. 48 1993 2565 2572
9. H. Li, Y. Xia, Y. Tung, and M. Kwauk Micro-visualization of clusters in a fast fluidized bed Powder Technol. 66 1991 231 235
10. M. Horio, and H. Kuroki Three-dimensional flow visualization of dilutely dispersed solids in bubbling and circulating fluidized beds Chem. Eng. Sci. 49 1994 2413 2421
11. M. Tsukada, M. Ito, H. Kamiya, and M. Horio Three-dimension imaging of particle clusters in dilute gas-solid suspension flow Can. J. Chem. Eng. 75 1997 466 470
12. U. Lackermeier, J. Rudnick, J. Werther, A. Bredebusch, and H. Burkhardt Visualization of flow structures inside a circulating fluidized bed by means of laser sheet and image processing Powder Technol. 114 2001 71 83
13. J.H. Li, C.L. Cheng, Z.D. Zhang, J. Yuan, A. Nemet, and F.N. Fett The EMMS model: It's application, development and updated concepts Chem. Eng. Sci. 54 1999 5409 5425
14. M. Horio, and M. Ito Prediction of cluster size in circulating fluidized beds J. Chem. Eng. Jpn. 30 4 1997 691 697
15. A.T. Harris, J.F. Davidson, and R.B. Thorpe The prediction of particle cluster properties in the near wall region of a vertical riser Powder Technol. 127 2 2002 128 143
16. A.K. Sharma, K. Tuzla, J. Matsen, and J.C. Chen Parametric effects of particle size and gas velocity on cluster characteristics in fast fluidized beds Powder Technol. 111 2000 114 122
17. K. Tuzla, A.K. Sharma, J.C. Chen, T. Schiewe, K.E. Wirth, and O. Molerus Transient dynamics of solid concentration in downer fluidized bed Powder Technol. 100 1998 166 172
18. W. Ge, and J.H. Li Physical mapping of fluidization regimes-the EMMS approach Chem. Eng. Sci. 57 2002 3993 4004
19. J.H. Li, and M. Kwauk Exploring complex systems in chemical engineering-the multi-scale methodology Chem. Eng. Sci. 58 2003 521 535
20. J.H. Li, J.Y. Zhang, W. Ge, and X.H. Liu Multi-scale methodology for complex systems Chem. Eng. Sci. 59 2004 1687 1700
21. C. Cao, Y. Jin, and Z. Yu The gas-solid velocity profiles and slip phenomenon in a courrent down flow circulating fluidized bed A.A. Avidan Circulating fluidized bed technology IV 1993 406 413
22. Hongzhong Li, Qingshan Zhu, Hua Liu, and Yufeng Zhou The cluster size distribution and motion behaviors in a fast fluidized bed Powder Technol. 84 4 1995 241 246
23. H. Zhang, P.M. Johnston, and J.-X. Zhu A novel calibration procedure for a fiber optic solids concentration probe Powder Technol. 100 1998 260 272
24. J.-X. Zhu, G.-Z. Li, and S.-Z. Qin Direct measurements of particle velocities in gas-solids suspension flow using a novel five-fiber optical probe Powder Technol. 115 2001 184 192
25. Q. Lin, F. Wei, and Y. Jin Transient density signal analysis and two-phase micro-structure flow in gas-solids fluidization Chem. Eng. Sci. 56 2001 2179 2189
26. X.S. Lu, and H.Z. Li Wavelet analysis of pressure fluctuation signals in a bubbling fluidized bed Chem. Eng. J. 75 1999 113 119
27. Jinqiang Ren, and Jinghai Li Wavelet analysis of dynamic behavior in fluidized beds L.T. Fan T.M. Knowlton Fluidization IX 1998 629 636
28. Qianqing Qin, and Zongkai Yang Practical Wavelet Analysis 1995 Xi'an Xidian University Press pp. 25-27 (in Chinese)
29. D.J. Liu, Fluidization of supercritical fluid, Doctoral dissertation, Institute of Chemical Metallurgy, CAS, Beijing, 1994.
30. Linna Wang, Multi-scale mass transfer model and experimental validation for heterogeneous gas-solid two-phase flow, Doctoral dissertation, Institute of Process Engineering, CAS, Beijing, 2002.