Journal of the Serbian Chemical Society 2022 Volume 87, Issue 7-8, Pages: 911-924
https://doi.org/10.2298/JSC211216020J
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Heat transfer by liquid convection in particulate fluidized beds
Jaćimovski Darko R. 
(University of Belgrade, Institute of Chemistry, Technology and Metallurgy - National institute of the Republic of Serbia, Belgrade, Serbia)
Brzić Danica V. (University of Belgrade, Faculty of Technology and Metallurgy, Belgrade, Serbia), [email protected]
Garić-Grulović Radmila V. (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - National institute of the Republic of Serbia, Belgrade, Serbia)
Pjanović Rada V. (University of Belgrade, Faculty of Technology and Metallurgy, Belgrade, Serbia)
Đuriš Mihal M. (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - National institute of the Republic of Serbia, Belgrade, Serbia)
Arsenijević Zorana Lj. (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - National institute of the Republic of Serbia, Belgrade, Serbia)
Bošković-Vragolović Nevenka M. (University of Belgrade, Faculty of Technology and Metallurgy, Belgrade, Serbia)
In this work the theoretical model for heat transfer from a wall to a liquid-solid fluidized bed by liquid convective mechanism has been proposed and developed. The model is based on thickness of boundary layer and film theory. The key parameter in the model is the distance between two adjacent particles which collide with the wall. According to the proposed model, the liquid convective heat transfer in a fluidized bed is 4 to 5 times more intense than in a single-phase flow. Additionally, the wall-to-bed heat transfer coefficient has been measured experimentally in water–glass particles fluidized bed, for different particle sizes. Comparison of the model prediction with experimental data has shown that size of the particles strongly influences the mechanism of heat transfer. For fine particles of 0.8 mm in diameter, the liquid convective heat transfer model represents adequately the experimental data, indicating that particle convective mechanism is negligible. For coarse particles of 1.5–2 mm in diameter, the liquid convective heat transfer mechanism accounts for 60 % of the overall heat transfer coefficient.
Keywords: model, boundary layer, film theory
Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. 451-03-68/2022-14/200135, 451-03-68/2022-14/200026
Show references
W. Liang, Z. Yu, Y. Jin, Z. Wang, Y. Wang, M. He, E. Min, J. Chem. Technol. Biotechnol. 62 (1995) 98 (https://doi.org/10.1002/jctb.280620116)
Q. Lan, A. Bassi, J.-X. (Jesse) Zhu, A. Margaritis, Biotechnol. Bioeng. 78 (2002) 157 (https://doi.org/10.1002/bit.10171)
Q. Lan, A. S. Bassi, J.-X. (Jesse) Zhu, A. Margaritis, AIChE J. 48 (2002) 252 (https://doi.org/10.1002/aic.690480209)
U. Trivedi, A. Bassi, J.-X. (Jesse) Zhu, Powder Technol. 169 (2006) 61 (https://doi.org/10.1016/j.powtec.2006.08.001)
B. Habib, M. Farid, Chem. Eng. Process. Process Intensif. 46 (2007) 1400 (https://doi.org/10.1016/j.cep.2006.11.008)
R. Sowmeyan, G. Swaminathan, Bioresour. Technol. 99 (2008) 3877 (https://doi.org/10.1016/j.biortech.2007.08.021)
M. Tan, R. Karabacak, M. Acar, Geothermics 62 (2016) 70 (https://doi.org/10.1016/j.geothermics.2016.02.009)
B. Wasmund, J. W. Smith, Can. J. Chem. Eng. 43 (1965) 246 (https://doi.org/10.1002/cjce.5450430505)
A. R. Khan, A. Elkamel, Appl. Math. Comput. 129 (2002) 295 (https://doi.org/10.1016/S0096-3003(01)00039-X)
Y. Kato, K. Uchida, T. Kago, S. Morooka, Powder Technol. 28 (1981) 173 (https://doi.org/10.1016/0032-5910(81)87040-4)
K. Muroyama, M. Fukuma, A. Yasunishi, Can. J. Chem. Eng. 64 (1986) 399 (https://doi.org/10.1002/cjce.5450640307)
Y. Kang, L. T. Fan, S. D. Kim, AIChE J. 37 (1991) 1101 (https://doi.org/10.1002/ aic.690370715)
M. Haid, H. Martin, H. Müller-Steinhagen, Chem. Eng. Process. Process Intensif. 33 (1994) 211((https://doi.org/10.1016/0255-2701(94)01003-X)
H. R. Jin, H. Lim, D. H. Lim, Y. Kang, K.-W. Jun, Chin. J. Chem. Eng. 21 (2013) 844 (https://doi.org/10.1016/S1004-9541(13)60556-X)
M. H. Maddahi, M. S. Hatamipour, M. Jamialahmadi, Int. J. Therm. Sci. 125 (2018) 11 (https://doi.org/10.1016/j.ijthermalsci.2017.11.007)
M. Jamialahmadi, M. R. Malayeri, H. Müller-Steinhagen, Can. J. Chem. Eng. 73 (1995) 444 (https://doi.org/10.1002/cjce.5450730404)
V. Gnielinski, in VDI-Wärmeatlas, Springer, Berlin, 2002, p. 593 (http://dx.doi.org/10.1007/978-3662-10743-0)
H. S. Mickley, D. F. Fairbanks, AIChE J. 1 (1955) 374 (https://doi.org/10.1002/aic.690010317)
O. Levenspiel, J.S. Walton, Chem. Eng. Symp. Ser. 50 (1954) 1
D.T. Wasan, M.S. Ahluwalia, Chem. Eng. Sci. 24 (1969) 1535 (https://doi.org/10.1016/0009-2509(69)80092-8)
C. J. Geankoplis, Transport processes and separation process principles, 5th ed., Prentice Hall, Boston, MA, 2018 (ISBN: 978-0-13-418102-8)
C. R. Carlos, J. F. Richardson, Chem. Eng. Sci. 23 (1968) 813 (https://doi.org/10.1016/0009-2509(68)80016-8)
D. Kunii, O. Levenspiel, Fluidization engineering, 2nd ed., Butterworth-Heinemann, Boston, MA, 1991 (ISBN: 978-0-08-050664-7)
A. R. Khan, J. F. Richardson, Chem. Eng. Commun. 78 (1989) 111 (https://doi.org/10.1080/00986448908940189).