Particle dynamics in a pseudo-2D spouted bed: Experiments and Euler–Lagrange simulations

Antunes, Gabriella Gonçalves Borges; Bück, Andreas; Mariano, Felipe Pamplona; Girardi, Anderson Gomes; Santos, Dyrney Araújo dos

doi:10.1016/j.cej.2024.152007

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.152007

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Particle dynamics in a pseudo-2D spouted bed: Experiments and Euler–Lagrange simulations

Gabriella Gonçalves Borges Antunes,

Andreas Bück,

Felipe Pamplona Mariano

et al.

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2024

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Cited by 2 publications

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Numerical and Experimental Study on the Particle Erosion and Gas-Particle Hydrodynamics in a Codirectional Swirling Spouted Bed

Sun,

Che,

et al. 2024

Ind. Eng. Chem. Res.

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The experimental and simulative methods were used to study the hydrodynamic characteristics of gas−solid two-phase flow and particle erosion in a codirectional swirling spouted bed (CSSB). The four-zone flow of particles was found in the filling zone: separation zone, convergence zone, re-separation zone, and particle accumulation zone. The internal reinforced structure effectively strengthened the radial velocity of particles in the cylinder. In addition, the two serious erosion zones on the axial swirl vane were, respectively, in the convergence zone and particle accumulation zone, and the erosion heights were, respectively, roughly 0.045 m on the A-face and 0.076 m on the B-face. The erosion heights on the cylinder internal walls were basically 0.15 m with the increase of the inlet velocity. By comparing the axial swirling spouted bed, integrated multinozzle swirling spouted bed, and CSSB, it was found that CSSB had a better swirling effect and smaller intensity of particle erosion.

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Numerical and Experimental Study on the Particle Erosion and Gas-Particle Hydrodynamics in a Codirectional Swirling Spouted Bed

Sun,

Che,

et al. 2024

Ind. Eng. Chem. Res.

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Study of the Influence of the Mean Particle Diameter Choice and the Fractions Number on the Quality of Fluidized Bed Numerical Simulation

Solovev,

Soloveva

2024

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We investigate the choosing of the fractions number for numerical simulation of a polydisperse bubbling fluidized bed using the Sauter mean diameter. The results were verified using experiments from a glass tube with a diameter of 2.2 cm and a height of 50 cm. As a fluidizing agent, air with a velocity of 0.0716 m/s to 0.1213 m/s was used. Polydispersed aluminum oxide particles with a diameter size of 20–140 µm were used as a solid phase. We propose a simple method for choosing the fractions number for the polydispersed granular phase in order to improve the quality of the numerical simulation results. In this study, we consider the Sauter mean diameter D32 for each selected group of particles for the solid phase. By increasing the number of solid phase fractions, it is possible to obtain a mean boundary of the bubbling fluidized bed close to the observed experimental results. In our study, the division of polydispersed powder into four distinct solid-phase fractions enabled us to attain satisfactory agreement with experiments regarding the average value of the bed boundary.

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Particle dynamics in a pseudo-2D spouted bed: Experiments and Euler–Lagrange simulations

Cited by 2 publications

References 50 publications

Numerical and Experimental Study on the Particle Erosion and Gas-Particle Hydrodynamics in a Codirectional Swirling Spouted Bed

Numerical and Experimental Study on the Particle Erosion and Gas-Particle Hydrodynamics in a Codirectional Swirling Spouted Bed

Study of the Influence of the Mean Particle Diameter Choice and the Fractions Number on the Quality of Fluidized Bed Numerical Simulation

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