Microscopic flow characteristics in fluidized bed of cylinder-shaped particles

Chunhua Wang; Zhaoping Zhong; Xiaoyi Wang

Korean Journal of Chemical Engineering, Vol.32, No.12, 2384-2393, December, 2015

DOI10.1007/s11814-015-0033-y Export Citation

Microscopic flow characteristics in fluidized bed of cylinder-shaped particles

Chunhua Wang^†, Zhaoping Zhong¹, and Xiaoyi Wang¹

College of Energy & Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
¹Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China

E-mail:

IBM (Immersed boundary method) and DEM (Discrete element method) coupling method were used to simulate the flow of cylinder-shaped particles in a fluidized bed. The greatest advantage of IBM-DEM is that it can reveal the microscopic characteristics of dense-phase gas-particle flow in Cartesian grids. Large cylinder-shaped particles are very difficult to fluidize, and slugging flow can be observed even if the static bed height is low. The gas flow field around the particle in fluidized bed is analyzed, and the formation and development of vortex behind the particle is affected obviously by the neighboring particles. Particle trajectory is obtained, and the effect of gas phase on particle rotation becomes active as particle size increases. Compared with the experimental results, the gas-solid force in simulation results is higher. This calculation error may be reduced by decreasing the grid size.

Keywords:Fluidization;Immersed Boundary Method;Discrete Element Method;Simulation

[References]

Tsuji Y, Kawaguchi T, Tanaka T, Powder Technol., 77, 79 (1993)
Cundall PA, Strack ODL, Geotechnique, 29, 47 (1979)
Zhu HP, Zhou ZY, Yang RY, Yu AB, Chem. Eng. Sci., 63(23), 5728 (2008)
Zhou HS, Flamant G, Gauthier D, Chem. Eng. Sci., 59(20), 4193 (2004)
Yang SL, Luo K, Fang MM, Zhang K, Fan JR, Chem. Eng. J., 236, 158 (2014)
Wang CH, Zhong ZP, Wang XY, Alting SA, Can. J. Chem. Eng., 92(8), 1488 (2014)
Nakamura H, Watano S, Powder Technol., 171(2), 106 (2007)
Kuwagi K, Utsunomiya H, Shimoyam Y, Hirano H, Takami T, The 13th international conference on fluidization-new paradigm in fluidization engineering (2010).
van der Hoef MA, van Sint Annaland M, Deen NG, Kuipers JAM, Annu. Rev. Fluid Mech., 40, 47 (2008)
Ma JS, Ge W, Xiong QG, Wang JW, Li JH, Chem. Eng. Sci., 64(1), 43 (2009)
Wang LM, Zhou GF, Wang XW, Xiong QG, Ge W, Particuology, 8, 379 (2010)
Peskin CS, J. Comput. Phys., 25, 220 (1977)
Wang ZL, Fan JR, Luo K, Int. J. Multiph. Flow, 34(3), 283 (2008)
Kempe T, Frohlich J, J. Comput. Phys., 231, 3663 (2012)
Griffith BE, Luo XY, McQuee DM, Peskin CS, Int. J. Appl. Mech., 1, 137 (2009)
Guo Y, Wu CY, Thornton C, AIChE J., 59(4), 1075 (2013)
Kajishima T, Takiguchi S, Hamasaki H, Miyaka Y, JSME Int. J., 44, 526 (2001)
Tsuji Y, Tanaka T, Ishida T, Powder Technol., 71, 239 (1992)
Dziugys A, Peters B, Granular Matter., 3, 231 (2001)
Tao H, Zhong WQ, Jin BS, Proceedings of CSEE, 32, 13 (2012)
Mindlin RD, J. Appl. Mech., 16, 259 (1949)
Karamavruc AI, Clark NN, Chem. Eng. Sci., 52(3), 357 (1997)
Tsuji T, Yada H, Yoshikawa K, Tanaka T, 7th International Conference on Multiphase Flow (2010).

[1] Tsuji Y, Kawaguchi T, Tanaka T, Powder Technol., 77, 79 (1993)

[2] Cundall PA, Strack ODL, Geotechnique, 29, 47 (1979)

[3] Zhu HP, Zhou ZY, Yang RY, Yu AB, Chem. Eng. Sci., 63(23), 5728 (2008)

[4] Zhou HS, Flamant G, Gauthier D, Chem. Eng. Sci., 59(20), 4193 (2004)

[5] Yang SL, Luo K, Fang MM, Zhang K, Fan JR, Chem. Eng. J., 236, 158 (2014)

[6] Wang CH, Zhong ZP, Wang XY, Alting SA, Can. J. Chem. Eng., 92(8), 1488 (2014)

[7] Nakamura H, Watano S, Powder Technol., 171(2), 106 (2007)

[8] Kuwagi K, Utsunomiya H, Shimoyam Y, Hirano H, Takami T, The 13th international conference on fluidization-new paradigm in fluidization engineering (2010).

[9] van der Hoef MA, van Sint Annaland M, Deen NG, Kuipers JAM, Annu. Rev. Fluid Mech., 40, 47 (2008)

[10] Ma JS, Ge W, Xiong QG, Wang JW, Li JH, Chem. Eng. Sci., 64(1), 43 (2009)

[11] Wang LM, Zhou GF, Wang XW, Xiong QG, Ge W, Particuology, 8, 379 (2010)

[12] Peskin CS, J. Comput. Phys., 25, 220 (1977)

[13] Wang ZL, Fan JR, Luo K, Int. J. Multiph. Flow, 34(3), 283 (2008)

[14] Kempe T, Frohlich J, J. Comput. Phys., 231, 3663 (2012)

[15] Griffith BE, Luo XY, McQuee DM, Peskin CS, Int. J. Appl. Mech., 1, 137 (2009)

[16] Guo Y, Wu CY, Thornton C, AIChE J., 59(4), 1075 (2013)

[17] Kajishima T, Takiguchi S, Hamasaki H, Miyaka Y, JSME Int. J., 44, 526 (2001)

[18] Tsuji Y, Tanaka T, Ishida T, Powder Technol., 71, 239 (1992)

[19] Dziugys A, Peters B, Granular Matter., 3, 231 (2001)

[20] Tao H, Zhong WQ, Jin BS, Proceedings of CSEE, 32, 13 (2012)

[21] Mindlin RD, J. Appl. Mech., 16, 259 (1949)

[22] Karamavruc AI, Clark NN, Chem. Eng. Sci., 52(3), 357 (1997)

[23] Tsuji T, Yada H, Yoshikawa K, Tanaka T, 7th International Conference on Multiphase Flow (2010).