Discrete particle simulations of an electric-field enhanced fluidized bed

Powder Technology

Volumn 183, Issue 2, 2008, Pages 196-206

  Kleijn van Willigen, F ^a   Demirbas, B ^a   Deen, N G ^b   Kuipers, J A M ^b   van Ommen, J R ^a  

^a DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b UNIVERSITY OF TWENTE   (Netherlands)

Author keywords

Bubble size reduction; CFD; Dipole force; Discrete particle model; Electric field enhanced fluidized beds; Fluidization

Indexed keywords

COALESCENCE; COMPUTER SIMULATION; FLUIDIZATION; FLUIDIZED BEDS;

BUBBLE SIZE REDUCTION; DIPOLE FORCE; DISCRETE PARTICLE MODEL; ELECTRIC-FIELD ENHANCED FLUIDIZED BEDS;

ELECTRIC FIELDS;

COALESCENCE; COMPUTER SIMULATION; ELECTRIC FIELDS; FLUIDIZATION; FLUIDIZED BEDS;

ARTICLE; ELECTRIC FIELD; FLUIDIZATION; SIMULATION;

EID: 40749116871     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2007.07.022     Document Type: Article

References (17)

1. Kleijn van Willigen F., van Ommen J.R., van Turnhout J., and van den Bleek C.M. Bubble size reduction in a fluidized bed by electric fields. Int. J. Chem. Reactor Eng. 1 A21 (2003). http://www.bepress.com/ijcre/vol1/A21 http://www.bepress.com/ijcre/vol1/A21
2. Seville J.P.K., and Clift R. The effect of thin liquid layers on fluidisation characteristics. Powder Technol. 37 (1984) 117-129
3. Wu W.Y., Navada A., and Saxena S.C. Hydrodynamic characteristics of a magnetically stabilized air fluidized bed of an admixture of magnetic and non-magnetic particles. Powder Technol. 90 (1997) 39-46
4. Molerus O. Interpretation of Geldart's type A, B, C, and D powders by taking into account interparticle cohesion forces. Powder Technol. 33 (1982) 81-87
5. Rhodes M.J., Wang X.S., Forsyth A.J., Gan K.S., and Phadtajaphan S. Use of a magnetic fluidized bed in studying Geldart group B to A transition. Chem. Eng. Sci. 56 (2001) 5429-5436
6. Ye M., van der Hoef M.A., and Kuipers J.A.M. A numerical study of fluidization behavior of Geldart A particles using a discrete particle model. Powder Technol. 139 (2004) 129-139
7. Wright P.C., and Raper J.A. Role of liquid bridge forces in cohesive fluidization. Trans. Inst. Chem. Eng.-Lond. 76A (1998) 753-760
8. Boersma A., and van Turnhout J. Dielectric study on size effects in polymer laminates and blends. J. Polym. Sci., B, Polym. Phys. 36 (1998) 2835-2848
9. Kleijn van Willigen F., van Ommen J.R., van Turnhout J., and van den Bleek C.M. Bubble size reduction in electric-field-enhanced fluidized beds. J. Electrost. 63 (2005) 943-948
10. Parthasarathy M., and Klingenberg D.J. Electrorheology: mechanisms and models. Mater. Sci. Eng., R Rep. 17 (1996) 57-103
11. Chen Y., Sprecher A.F., and Conrad H. Electrostatic particle-particle interactions in electrorheological fluids. J. Appl. Phys. 70 (1991) 6796-6803
12. Hoomans B.P.B., Kuipers J.A.M., Briels W.J., and van Swaaij W.P.M. Discrete particle simulation of bubble and slug formation in a two-dimensional gas-fluidised bed: a hard-sphere approach. Chem. Eng. Sci. 51 (1996) 99-118
13. Ergun S. Fluid flow through packed columns. Chem. Eng. Prog. Symp. Ser. 48 (1952) 89-94
14. Wen C.Y., and Yu Y.H. Mechanics of fluidization. Chem. Eng. Prog. Symp. Ser. 62 (1966) 100-111
15. Cundall P.A., and Strack O.D. A discrete numerical model for granular assemblies. Geotechnique 29 (1979) 47-65
16. J.M. Link, 'Development and Validation of a Discrete Particle Model of a Spout-Fluid Bed Granulator', PhD thesis University of Twente, Enschede, (2006).
17. Dietz P.W., and Melcher J.R. Interparticle electrical forces in packed and fluidized beds. Ind. Eng. Chem. Fundam. 17 (1978) 28-32