Particle velocity and particle clustering in down-flow reactors

Powder Technology

Volumn 148, Issue 2-3 SPEC. ISS., 2004, Pages 172-185

  Nova, Samuel ^a   Krol, Stephan ^a   De Lasa, Hugo ^a  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

Author keywords

Cross correlation; Downer; Optical probe; Particle clustering; Particle velocity

Indexed keywords

CLUSTER SIZE; GRADED REFRACTIVE INDEX (GRIN); PARTICLE STRINGS;

CATALYSIS; FLUIDIZATION; GASES; PROBES; REFRACTIVE INDEX; SOLIDS;

PARTICLE ACCELERATORS;

GAS-SOLID FLUIDIZED BED; PARTICLE IMAGE VELOCIMETER;

CONFERENCE PAPER; FLOW RATE; FLUIDIZED BED; GAS; ILLUMINATION; INJECTION; PARTICLE SIZE; REACTOR; SOLID;

EID: 10344249896     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2004.09.008     Document Type: Conference Paper

References (22)

1. K. Oki, W.P. Walawender, and L.T. Fan The measurement of local velocity of solid particles Powder Technol. 18 1977 171 178
2. J.J. Nieuwland, R. Meijer, J.A.M. Kuipers, and W.P.M. van Swaaij Measurement of solids concentration and axial solids velocity in gas-solid two-phase flows Powder Technol. 87 1996 127 139
3. D.A. Sobocinski, B.J. Young, and H.I. de Lasa New fiber-optic method for measuring velocities of strands and solids hold-up in gas-solids downflow reactors Powder Technol. 83 1995 1 11
4. Young Jin, Yu Zheng, and Fei Wei State-of-the-art review of downer reactors Proceedings of the 7th International Conference on Circulating Fluidized Beds, May, 2002 Circulating Fluidized Bed Technol. vol. VII 2002 40 60
5. M.S. Beck, J. Drane, A. Plaskowski, and N. Wainwright Particle velocity and mass flow measurement in pneumatic conveyors Powder Technol. 2 1968/69 269 277
6. M.S. Beck, and A. Plaskowski Cross Correlation Flowmeters-Their Design and Application 1987 Adam Hilger Bristol, England
7. B. Culshaw Optical Fibre Sensing and Signal Processing 1984 Peter Peregrinus London, UK
8. P.M. Herbert, T.A. Gauthier, C.L. Briens, and M.A. Bergougnou Application of fiber optic reflection probes to the measurement of local particle velocity and concentration in gas-solid flow Powder Technol. 80 1994 243 252
9. J. Hecht Understanding Fiber Optics Second ed. 1993 Sams Publishing USA
10. M.Y. Lounge, S.A. Iyer, E.P. Giannelis, D.J. Lischer, and H. Chang Optical fiber measurements of particle velocity using laser-induced phosphorescence Appl. Opt. 30 15 1991 1976 1981
11. C. Gomez-Reino, M.V. Perez, and C. Bao Gradient-Index Optics: Fundamentals and Applications 2002 Springer-Verlag Berlin, Germany
12. Nippon Sheet Glass America, manufacturer's literature on the Selfoc microlens: Selfoc Product Guide.
13. H. de Lasa, B. Young, S. Krol., Fiber optic sensor for sensing particle movement in a catalytic reactor, USA Patent 5,740, 291, 1998.
14. S. Krol, A. Pekediz, and H. de Lasa Particle clustering in down flow reactors Powder Technol. 108 2000 6 20
15. S.R. Nova, S. Krol, and H.I. de Lasa CREC fiber-optic probes for particle velocity and particle clustering: design principles and calibration procedures Ind. Eng. Chem. Res. 42 2004 5620 5631
16. S.R. Nova, MESc thesis, The University of Western Ontario, London, Canada, 2001.
17. H. Zhang, P.M. Johnston, J.-X. Zhu, H.I. de Lasa, and M.A. Bergougnou A novel calibration procedure for a fibre optic solids concentration probe Powder Technol. 100 1998 260 272
18. 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
19. J. Zhou, J.R. Grace, C.J. Lim, and C.M.H. Brereton Particle velocity profiles in a circulating fluidized bed riser of square cross-section Chem. Eng. Sci. 50 2 1995 237 244
20. J.-X. Zhu, G.Z. Li, S.Z. Qin, F.-Y. Li, H. Zhang, and Y.L. Yang Direct measurements of particle velocities in gas-solids suspension flow using a novel five-fibre optical probe Powder Technol. 115 2001 184 192
21. J. Aguillón, K. Shakourzadeh, and P. Guigon A new method for local solid concentration measurement in circulating fluidized bed Powder Technol. 86 1996 251 255
22. J.-X. Zhu, Z.-Q. Yu, Y. Jin, J.R. Grace, and A. Issangya Cocurrent downflow circulating fluidized bed (downer) reactors-a state of the art review Can. J. Chem. Eng. 73 1995 (October) 662 677