Importance of frictional forces on the formation of cavity in a packed bed under cross flow of gas

Powder Technology

Volumn 134, Issue 1-2, 2003, Pages 72-85

  Rajneesh, S ^a   Gupta, G S ^a  

^a INDIAN INSTITUTE OF SCIENCE   (India)

Author keywords

Frictional force; Granular; Mathematical; Packed bed; Particles; Stress

Indexed keywords

FRICTION; PRESSURE EFFECTS; STRESS ANALYSIS;

FRICTIONAL FORCES;

POWDERS;

CAVITY; CROSSFLOW; FRICTION; GAS FLOW; MATHEMATICAL METHOD; PACKED BED;

ARTICLE; FORCE; FRICTION; GAS FLOW; MATHEMATICAL ANALYSIS; PARTICLE SIZE; PRESSURE; STRESS; VELOCITY;

EID: 0042330141     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0032-5910(03)00136-0     Document Type: Article

References (24)

1. Gupta G.S., Litster J.D., Rudolph V.R., White E.T., Domanti A. Model studies of liquid flow in the blast furnace lower zone. ISIJ. 36(1):1996;32.
2. Gupta G.S., Litster J.D., Rudolph V.R., White E.T. Nonwetting flow of a liquid through a packed bed with gas cross-flow. Metall. Trans. 28B:1997;597.
3. Wagstaff J.B., Holman W.H. Comparison of blast furnace penetration with model studies. Trans. AIME. 1957 (March);370.
4. Szekely J., Poveromo J.J. A mathematical and physical representation of the raceway region in the iron blast furnace. Metall. Trans. 6(B):1975;119.
5. Flint P.J., Burgess J.M. A fundamental study of raceway size in two dimensions. Metall. Trans. 23(B):1992;267.
6. Hatano M., Hiraoka B., Fukuda M., Masuike T. ISIJ Int. 17:1977;102.
7. Nakamura M., Sugiyama T., Uno T., Hara Y., Kondo S. Configuration of the raceway in the experimental furnace. Tetsu-to-Hagane. 63:1977;28.
8. Sarkar S., Gupta G.S., Litster J.D., Rudolph V., White E.T., Choudhary S.K. A cold model study of raceway hysteresis. Metall. Trans. 34(B):2003 (April);183.
9. Litster J.D., Gupta G.S., Rudolph V.R., White E.T. Size hysteresis in a two dimensional model raceway. CHEMECA'91. vol. 1:1991;476. Newcastle, Australia.
10. Doyle F.J. III, Jackson R., Ginestra J.C. The phenomenon of pinning in an annular moving bed reactor with crossflow of gas. Chem. Eng. Sci. 41(6):1986;1485.
11. Apte V.B., Wall T.F., Truelove J.S. Stress distribution in a packed bed above raceway cavities formed by an air jet. AIChE J. 36(3):1990;461.
12. MacDonald J.F., Bridgwater J. Void formation in stationary and moving beds. Chem. Eng. Sci. 52(5):1997;677.
13. Akamatsu D., Hatano M., Takeuchi M. Tetsu-to-Hagane. 58:1972;20.
14. Apte V.B., Wall T.F., Truelove J.S. Gas flows in cavities formed by high velocity jets in a two-dimensional packed bed. Chem. Eng. Res. Des. 66:1988;357.
15. Hatano M., Kurita K., Tanaka T. Ironmaking Proc. Iron Steel Soc. vol. 42:1983;577.
16. G.S.S.R.K. Sastry, MSc (Engg) Thesis, Indian Institute of Science, Bangalore, 2000 Sept.
17. Janssen H.A. Versuche uber getreidedruck in solozellen. Ver. Dtsch. Z. 39:1895;1045.
18. Sastry G.S.S.R.K., Gupta G.S., Lahiri A.K. Ironmak. Steelmak. 30(1):2003;61.
19. Jackson R., Judd M.R. Further consideration on the effect of aeration on the flowability of powders. Trans. IChemE. 59:1981;119.
20. Sastry G.S.S.R.K., Gupta G.S., Lahiri A.K. ISIJ Int. 43(2):2003;153.
21. Stanek V., Szekely J. The effect of non-uniform porosity in causing flow maldistributions in isothermal packed beds. Can. J. Chem. Eng. 50:1972;9.
22. Szekely J., Poveromo J.J. Flow maldistribution in packed beds: a comparison of measurements with predictions. AIChE J. 21(4):1975;769.
23. The Iron and Steel Institute of Japan Blast Furnace Phenomena and Modelling. 1987;Elsevier Applied Science, London.
24. F. Born, Prediction of raceway size and raceway hysteresis in a two dimensional cold model, Undergraduate thesis, University of Queensland, Australia, 1991.