Onset of Instability in Sheared Gas Fluidized Beds

AIChE Journal

Volumn 43, Issue 5, 1997, Pages 1362-1365

  Apicella, Eliano ^a   D'Amore, Matteo ^a   Tardos, Gabriel ^b   Mauri, Roberto ^b  

^a UNIVERSITY OF SALERNO   (Italy)

^b City University of New York   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FLOW OF FLUIDS; MATHEMATICAL MODELS; REYNOLDS NUMBER; STABILITY;

BED HEIGHT; GAS FLUIDIZED BEDS; GAS VELOCITY; SHEAR;

FLUIDIZED BEDS;

EID: 0031143663     PISSN: 00011541     EISSN: None     Source Type: Journal    
DOI: 10.1002/aic.690430526     Document Type: Article

References (21)

1. Acrivos, A., G. K. Batchelor, E. J. Hinch, D. L. Koch, and R. Mauri, "Longitudinal Shear-Induced Diffusion of Spheres in a Dilute Suspension," J. Fluid Mech., 240, 651 (1992).
2. Acrivos, A., R. Mauri, and X. Fan, "Shear-Induced Resuspension in a Couette Device," Int. J. Multiphase Flow, 19, 797 (1993).
3. Anderson, K., S. Sundaresan, and R. Jackson, "Instabilities and the Formation of Bubbles in Fluidized Beds," J. Fluid Mech., 303, 327 (1995).
4. Alzahrani, A. A., and M. M. N. Wal, "A Study of Pressure Drop Fluctuations in a Gas-Solids Fluidized Bed," Powder Tech., 76, 185 (1993).
5. Batchelor, G. K., "A New Theory on the Instability of a Uniform Fluidized Bed," J. Fluid Mech., 193, 75 (1988).
6. Foscolo, P. U., and L. G. Gibilaro, "A Fully Predictive Criterion for the Transition between Particulate and Aggregate Fluidization," Chem. Eng. Sci., 39, 1667 (1984).
7. Foscolo, P. U., and L. G. Gibilaro, "The Influence of Gravity on the Stability of Fluidized Beds," Chem. Eng. Sci., 41, 2438 (1986).
8. Foscolo, P. U., and L. G. Gibilaro, "Fluid Dynamic Stability of Fluidized Suspensions: The Particle Bed Model," Chem. Eng. Sci., 42, 1489 (1987).
9. Garg, S. K., and J. W. Pritchett, "Dynamics of Gas-Fluidized Beds," J. Appl. Phys., 46, 4493 (1975).
10. Harris, S. E., and D. G. Crighton, "Solitons, Solitary Waves and Voidage Disturbances in Gas-Fluidized Beds," J. Fluid Mech., 266, 243 (1994).
11. Harris, S. E., "The Growth of Periodic Waves in Gas-Fluidized Beds," J. Fluid Mech., 325, 261 (1996).
12. Jackson, R., "The Mechanics of Fluidized Beds: I and II," Trans. Instn. Chem. Engrs., 41, 13 (1963).
13. Leighton, D., and A. Acrivos, "Measurement of Shear-Induced Self-Diffusion in Concentrated Suspensions of Aspheres," J. Fluid Mech., 177, 109 (1987a).
14. Leighton, D., and A. Acrivos, "The Shear-Induced Migration of Particles in Concentrated Suspensions," J. Fluid Mech., 181, 415 (1987b).
15. Lim, K. S., J. X. Zhu, and J. R. Grace, "Hydrodynamics of Gas-Solid Fluidization," Int. J. Multiphase Flow, 21, 141 (1995).
16. Needham, D. J., and J. H. Merkin, "The Propagation of a Voidage Disturbance in a Uniformly Fluidized Bed," J. Fluid Mech., 131, 427 (1983).
17. Needham, D. J., and J. H. Merkin, "The Existence and Stability of Quasi-Steady Periodic Voidage Waves in a Fluidized Bed," Z. Angew. Math. Phys., 37, 322 (1986).
18. Rietema, K., The Dynamics of Fine Powders, Elsevier, London (1991).
19. Wang, Y. G., R. Mauri, and A. Acrivos, "The Transverse Shear-Induced Liquid and Particle Tracer Diffusivities of a Dilute Suspension of Spheres Undergoing a Simple Shear Flow," J. Fluid Mech., 327, 255 (1996).
20. Wayne, W. S., N. N. Clark, M. Gautam, and R. Turton, "Pressure Field Measurement in a Bubbling Fluidized Bed," Powder Tech., 76, 331 (1993).
21. Yates, J. G., "Effects of Temperature and Pressure on Gas-Solid Fluidization," Chem. Eng. Sci., 51, 167 (1996).