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Scaling of flow phenomena in circulating fluidized bed boilers

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The paper presents an overview of scaling models used for determining hydrodynamic parameters of Circulating Fluidized Bed boilers. The governing equations and the corresponding dimensionless numbers are derived and presented for three different approaches to the scaling law of fluidized beds: classical dimensional analysis, differential equations and integrated solutions and experimental correlations. Some results obtained with these equations are presented. Finally, the capabilities and limitations of scaling experiments are discussed.
Słowa kluczowe
Rocznik
Strony
91--100
Opis fizyczny
Bibliogr. 13 poz., tab., rys.
Twórcy
autor
  • Częstochowa University of Technology, Faculty of Environmental Protection and Engineering, Department of Heating, Ventilation and Air Protection, ul. Dąbrowskiego 69, 42-200 Częstochowa, Poland
Bibliografia
  • 1. Ake T.R., Glicksman L.R., 1988. Scale model and full scale test results of a circulating fluidized bed combustor. EPRI Seminar of Fluidized Bed Combustion Technology for Utility Applications, Palo Alto.
  • 2. Anderson T.B., Jackson R., 1967. A fluid mechanical description of fluidised beds. Equations of motion. Ind. Eng. Chem. Fundam., 6, 527-538. DOI: 10.1021/i160024a007
  • 3. Basu P., Fraser S.A., 1991. Circulating fluidized bed boilers: Design and operations. Butterworth Heinemann, London.
  • 4. Glicksman L.R., Hyre M., Woloshun, K., 1993. Simplified scaling relationships for fluidized beds. Powder Technol., 77, 177-199. DOI:10.1016/0032-5910(93)80055-F
  • 5. Horio M., 1997. Hydrodynamics, In: Grace J.R., Avidan A.A., Knowlton T.M. (Eds.), Circulating Fluidized Beds. Blackie Academic and Professional, Chapman and Hall, London, 21-85.
  • 6. Horio M., Ishii H., Kobukai, Y., Yamanishi N., 1989. A scaling law for circulating fluidized beds. J. Chem. Eng. Jpn., 22, 587-592.
  • 7. Ishii H, Murakami M., 1991. Evaluation of the scaling law of circulating fluidized beds in regard to cluster behaviours, In: Basu P., Horio M., Hasatani M. (Eds.), Circulating Fluidized Bed Technology III, Pergamon Press, Oxford, 125-130.
  • 8. Knowlton T.M., Karri S.B.R., Issangya A., 2005. Scale-up of fluidized-bed hydrodynamics. Powder Technol., 150, 72-77. DOI:10.1016/j.powtec.2004.11.036
  • 9. Litka T., Glicksman L.R., 1985. The influence of particle mechanical properties on bubble characteristics and solid mixing in fluidized beds, Powder Technol., 42, 231-239. DOI:10.1016/0032-5910(85)80058-9
  • 10. Shi D., Reh L., 2005. Similarities in CFB fluid dynamics, In: Cen K. (Ed.), Circulating Fluidized Bed Technology
  • 11. VIII. InteTeplitskiy Yu.S., Ryabov G.A., 1999. Scaling in circulating fluidized bed: particle concentration and heat transfer coefficient in a transport zone. Int. J. Heat Mass Transf., 42, 4065-4075. DOI:10.1016/S0017-9310(99)00048-4
  • 12. Van der Meer E.H., 1997. Riser exits and sealing of circulating fluidized beds, PhD Thesis. University of Cambridge, Cambridge, UK.
  • 13. Yang W.C. (Ed.), 2003. Handbook of Fluidization and Fluid-Particle Systems. Marcel Dekker, Inc., New York, 2003.rnational Academic, Beijing, 283–290.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPK3-0007-0005
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