Modeling of a bubbling AFBC with volatiles release

Journal of Energy Resources Technology, Transactions of the ASME

Volumn 125, Issue 1, 2003, Pages 72-81

  Selçuk, Nevin ^a   Degirmenci, Engin ^a   Gogebakan, Yusuf ^a  

^a MIDDLE EAST TECHNICAL UNIVERSITY   (Turkey)

Author keywords

[No Author keywords available]

Indexed keywords

COMBUSTION; HYDRODYNAMICS; LIGNITE; PARTICLE SIZE ANALYSIS; TEMPERATURE;

ATMOPSHERIC BUBBLING FLUIDIZED BED COMBUSTOR; DEVOLATIZATION KINETICS; DISTRIBUTED ACTIVATION ENERGY MODEL; ELUTRIATION; ENTRAINMENT;

FLUIDIZED BED COMBUSTORS;

EID: 0037353794     PISSN: 01950738     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1506937     Document Type: Article

References (33)

1. Adesanya, B. A., and Pham, H. N., 1995, "Mathematical Modelling of Devolatilization of Large Coal Particles in Convective Environment," Fuel, 74, pp. 896-902.
2. Agarwal, P. K., Genetti, W. E., and Lee, Y. Y., 1984, "Model for Devolatilization of Coal Particles in Fluidized Beds," Fuel, 63, pp. 1157-1165.
3. Agarwal, P. K., Agnew, J. B., Ravindran, N., and Weimann, R., 1987, "Distributed Kinetic Parameters for the Evolution of Gaseous Species in the Pyrolysis of Coal," Fuel, 66, pp. 1097-1106.
4. Agarwal, P. K., and Wildegger-Gaissmaier, A. E., 1987, "Combustion of Coal Volatiles in Gas Fluidized Beds," Chem. Eng. Res. Des., 65, pp. 431-441.
5. Peeler, J. P. K., and Poynton, J., 1992, "Devolatilization of Large Coal Particles Under Fluidized Bed Conditions," Fuel, 71, pp. 425-430.
6. Stubington, J. F., Chan, S. W., and Clough, S. J., 1990, "A Model for Volatiles Release into a Bubbling Fluidized-Bed Combustor," AIChE J., 36(1), pp. 75-85.
7. Winter, F., Prah, M. E., and Hofbauer, H., 1997, "Temperatures in a Fuel Particle Burning in a Fluidized-Bed: The Effect of Drying, Devolatilization, and Char Combustion," Combustion and Flame, 108, pp. 302-314.
8. Selçuk, N., Degirmenci, E., and Oymak, O., 1997, "Simulation of 0.3 MW AFBC Test Rig Burning Turkish Lignites," Preto, F. D. E. (Ed.), Fourteenth Int. Conf. on FBC, ASME, Vancouver, Canada, pp. 1163-1174.
9. Degirmenci, E., and Selçuk, N., 1998, "Dynamic Behavior of an AFBC Test Rig: An Experimental Study," Reuther, R. A. (Ed.), Fifteenth Int. Conf. on FBC, ASME, Savannah, USA, Paper No:100 (in CD-ROM).
10. Grace, J. R., and Clift, R., 1974, "On the Two Phase Theory of Fluidization," Chem. Eng. Sci., 29, pp. 327-334.
11. Grace, J. R., and Harrison, D., 1969, "The Behavior of Freely Bubbling Fluidized Beds," Chem. Eng. Sci., 24, pp. 497-508.
12. Mori, S., and Wen, C. Y., 1975, "Estimation of Bubble Diameter in Gaseous Fluidized Bed," AIChE J., 21(1), pp. 109-116.
13. Anthony, D. B., and Howard, J. B., 1976, "Coal Devolatilization and Hydrogasification," AIChE J., 22(4), pp. 625-656.
14. Merrick, D., 1983, "Mathematical Models of the Thermal Decomposition of Coal. 1. The Evolution of Volatile Matter," Fuel, 62, pp. 534-539.
15. Nienow, A. W., Rowe, P. N., and Chiba, T., 1978, "Mixing and Segregation of a Small Proportion of Large Particles in Gas Fluidized Beds of Considerably Smaller Ones," AIChE Symp. Ser., 74(176), pp. 45-53.
16. Cranfield, R. R., and Geldart, D., 1974, "Large Particle Fluidization," Chem. Eng. Sci., 29, pp. 935-947.
17. Hottel, H. C., Williams, G. C., Nerheim, N. M., and Schneider, G. R., "Kinetic Studies on Stirred Reactors, Combustion of Carbon Monoxide and Propane," 1965, 10th Symp. (Int.) on Combustion, The Combustion Institute, Pittsburgh, pp. 975-986.
18. Hoy, H. R., and Gill, D. W., 1987, "The Combustion of Coal in Fluidized Beds," in Principles of Combustion Engineering for Boilers, (ed. C. J. Lawn), Academic Press, London.
19. Selçuk, N., Oymak, O., and Degirmenci, E., 1996, "Basic Requirement for Modelling Fluidized Beds: Fast Computation of Particle Size Distributions (PSDs)," Powder Technol., 87, pp. 269-271.
20. Choi, J. H., Chang, I. Y., Shun, D. W., Yi, C. K., Son, J. E., and Kim, S. D., 1999, "Correlation on the Particle Entrainment Rate in Gas Fluidized Beds," Ind. Eng. Chem. Res., 38, pp. 2491-2496.
21. Hazlett, J. D., and Bergougnou, M. A., 1992, "Influence of Bubble Size Distribution at the Bed Surface on Entrainment Profile," Powder Technol., 70, pp. 99-107.
22. Denloye, A. O. O., and Botterill, J. S. M., 1978, "Bed to Surface Heat Transfer in a Fluidized Bed of Large Particles," Powder Technol., 19, pp. 197-203.
23. Kunii, D., and Levenspiel, O., 1990, "Fluidized Reactor Models. 1. For Bubbling Beds of Fine, Intermediate, and Large Particles. 2. For the Lean Phase: Freeboard and Fast Fluidization," Ind. Eng. Chem. Res., 29, pp. 1226-1234.
24. Kunii, D., and Levenspiel, O., 1991, "Fluidization Engineering," Butterworth-Heinemann, 2nd ed., Boston.
25. Hannes, J., 1996, "Mathematical Modelling of Circulating Fluidized Bed Combustion," Ph.D. Dissertation, RWTH Aachen, Germany.
26. Radhakrishnan, K., and Hindmarsh, A. C., 1993, "Description and Use of LSODE, the Livermore Solver for Ordinary Differential Equations," Lawrence Livermore National Laboratory Report No: UCRL-ID-113855.
27. Shampine, L. F., Allen, Jr., R. C. and Pruess, S., 1997, "Fundamentals of Numerical Computing," 1st ed., John Wiley and Sons, New York.
28. Jung, K., and La Nauze, R. D., 1983, "Sherwood Numbers for Burning Particles in Fluidized Beds," 4th Conf. (Int.) on Fluidization, Engineering Foundation, Koshikojima, Japan, pp. 427-434.
29. Ranz, W. E., and Marshall, Jr., W. R., 1952, "Evaporation from Drops, Part I," Chem. Eng. Prog., 48, No. 3, pp. 141-146.
30. Ergun, S., 1952, "Fluid Flow Through Packed Columns," Chem. Eng. Prog., 48, pp. 89-94.
31. Gogolek, P. E. G., and Becker, H. A., 1992, "Calculation of the Expansion of a Bubbling Fluidized Bed of Coarse particles," Powder Technol., 71, pp. 107-110.
32. Sleicher, C. A., and Rouse, M. W., 1975, "A Convenient Correlation for Heat Transfer to Constant and Variable Property Fluids in Turbulent Pipe Flow," Int. J. Heat Mass Transf., 18, pp. 677-683.
33. Incropera, F. P., and De Witt, D. P., 1990, "Fundamentals of Heat and Mass Transfer," 3rd ed., John Wiley and Sons, New York.