Determination of intrinsic minimum bubbling velocity in fine powder aerations based on experimentally measured elastic deformation coefficients

Canadian Journal of Chemical Engineering

Volumn 83, Issue 3, 2005, Pages 418-424

  Wiratni, Wiratni ^a   Kono, Hisashi O ^a  

^a West Virginia University   (United States)

Author keywords

Elastic deformation coefficient; Fine powder aeration; Minimum bubbling velocity

Indexed keywords

BUBBLE FORMATION; DEFORMATION; EMULSIONS; FRACTURE; VELOCITY MEASUREMENT;

ELASTIC DEFORMATION COEFFICIENT; FINE POWDER AERATION; GAS VELOCITY; MINIMUM BUBBLING VELOCITY;

POWDERS;

AERATION; BUBBLING SYSTEM; DEFORMATION; VELOCITY;

EID: 26044437445     PISSN: 00084034     EISSN: None     Source Type: Journal    
DOI: 10.1002/cjce.5450830304     Document Type: Review

References (16)

1. Abrahamsen, A. R. and D. Geldart, "Behaviour of Gas-fluidized Beds of Fine Powders. Part I: Homogeneous Expansion," Powder Technol. 26, 35-46 (1980).
2. Bi, H. T. and J. R. Grace, "Flow Regime Diagrams for Gas-solid Fluidization and Upward Transport," Int. J. Multiphase Flow 21, 1229-1236 (1995).
3. Clift, R., "An Occamist Review of Fluidized Bed Modeling," AIChE Symp. Ser. 89, 1-17 (1993).
4. Davidson, J. F. and D. Harrison, "Fluidised Particles," University Press, Cambridge, UK (1963), p. 19-20.
5. Gibilaro, L. G., R. Di Felice and P. U. Foscolo, "On the Minimum Bubbling Voidage and the Geldart Classification for Gas-fluidized Beds," Powder Technol. 56, 21-29 (1988).
6. Jacob, K. V. and A. W. Weimer, "High-pressure Particulate Expansion and Minimum Bubbling of Fine Carbon Powders," AIChE J. 33, 1698-1706 (1987).
7. Kono, H. O., E. Aksoy and Y. Itani, "Measurement and Application of the Rheological Parameters of Aerated Fine Powders - a novel characterization approach to powder flow properties," Powder Technol. 81, 177-187 (1994).
8. Kono, H. O., S. Narasimhan, L. M. Richman and T. Ohtake, "Flow Properties of Homogeneously Aerated, Expanded Emulsion Phase of Fine Powders (quasi-solid emulsion phase viscosity)," Powder Technol. 122, 168-176 (2002).
9. Kono, H. O., L. Richman, B. Jordan, J. Su, E. Koresawa and T. Ohtake, "Rheological Parameters of Homogeneously Aerated Fine Powders 〈 Its physical meaning and fracture model 〉, " in Fluidization IX, pp. 285-292, Engineering Foundation, New York (1998).
10. Lim, K. S., J. X. Zhu and J. R. Grace, "Hydrodynamic of Gas-solid Fluidization," Int. J. Multiphase Flow 21(Suppl.), 141-193 (1995).
11. Loezos, P. N., P. Costamagna and S. Sundaresan, "The Role of Contact Stresses and Wall Friction on Fluidization," Chem. Eng. Sci. 57, 5123-5141 (2002).
12. Rietema, K., "Powders, What are They ?", Powder Technol. 37, 5-23 (1984).
13. Rumpf, H., "Grundlagen und Methoden des Granulierens," Chem. Ing. Techn., 30, 144-158 (1958).
14. Sciazko, M and J. Bandrowski, "Effect of Pressure on the Minimum Bubbling Velocity of Polydisperse Materials," Chem. Eng. Sci. 40, 1861-1869 (1985).
15. Wiratni, W., "Basic Theory and Experimental Approach to Characterize Flow and Fracture Properties of Fine Powder Bulk Body," PhD Dissertation, West Virginia University, Morgantown, WV (2003).
16. Wong, A. C. Y., "Use of Angle of Repose and Bulk Densities for Powder Characterization and the Prediction of Minimum Fluidization and Minimum Bubbling Velocities," Chem. Eng. Sci., 57, 2635-2640 (2002).