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Kia Lashaki M, Sayyad Amin J, Zendehboudi S. Numerical simulation of homogeneous fluidization behaviour of Geldart Group A particles in gas tapered fluidized beds. CAN J CHEM ENG 2022. [DOI: 10.1002/cjce.24489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | - Sohrab Zendehboudi
- Faculty of Engineering and Applied Science Memorial University St. John's NL Canada
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The motion mechanism and characteristic of bubble in a pseudo-2D tapered fluidized bed. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2021.06.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Adnan M, Sun J, Ahmad N, Wei JJ. Validation and sensitivity analysis of an Eulerian-Eulerian two-fluid model (TFM) for 3D simulations of a tapered fluidized bed. POWDER TECHNOL 2022. [DOI: 10.1016/j.powtec.2021.08.057] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Modeling of the Minimum Fluidization Velocity and the Incipient Fluidization Pressure Drop in a Conical Fluidized Bed with Negative Pressure. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10248764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The modeling of the minimum fluidization velocity (U0mf) and the incipient fluidization pressure drop (ΔPmf) is a valuable research topic in the fluidization field. In this paper, first, a series of experiments are carried out by changing the particle size and material mass to explore their effects on U0mf and ΔPmf. Then, an Ergun equation modifying method and the dimensional analysis method are used to obtain the modeling correlations of U0mf and ΔPmf by fitting the experimental data, and the advantages and disadvantages of the two methods are discussed. The experimental results show that U0mf increases significantly with increasing particle size but has little relationship with the material mass; ΔPmf increases significantly with increasing material mass but has little relationship with the particle size. Experiments with small particles show a significant increase at large superficial gas velocity; we propose a conjecture that the particles’ collision with the fluidization chamber’s top surface causes this phenomenon. The fitting accuracy of the modified Ergun equation is lower than that of the dimensionless model. When using the Ergun equation modifying method, it is deduced that the gas drag force is approximately 0.8995 times the material total weight at the incipient fluidized state.
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Zhang K, Wang S, Tang Y, Liu G, He Y. Gas pulsation effect on flow behaviors and heat transfer in a tapered fluidized bed. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2019.11.079] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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CFD simulations of tapered bubbling/turbulent fluidized beds with/without gas distributor based on the structure-based drag model. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.03.034] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Askaripour H, Dehkordi AM. Two-dimensional CFD simulation of chemical reactions in tapered-in and tapered-out fluidized bed reactors. ADV POWDER TECHNOL 2019. [DOI: 10.1016/j.apt.2018.10.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Song Y, Lu X, Wang Q, Li J, Sun S, Zheng X, Yang F, Fan X. Experimental study on gas-solid flow characteristics in an internally circulating fluidized bed cold test apparatus. ADV POWDER TECHNOL 2017. [DOI: 10.1016/j.apt.2017.05.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Zheng T, Du Z, Cao H, Jiang J, Zheng W, Tang S, Wang N, Wang P. Development of a novel mobile industrial-scale fluidized adsorption process for emergency treatment of water polluted by aniline: CFD simulation and experiments. ADV POWDER TECHNOL 2016. [DOI: 10.1016/j.apt.2016.05.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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