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2022 | OriginalPaper | Chapter

29. A CFD Model for Free Falling Bulk Materials Analysis

Authors : Leandro F. B. Lima, Maciel C. Furtado, André L. A. Mesquita

Published in: Multiphase Flow Dynamics

Publisher: Springer International Publishing

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Abstract

The chapter delves into the complex dynamics of free-falling bulk materials, focusing on the air entrainment phenomenon that occurs during particle streams. It introduces a computational fluid dynamics (CFD) model using the Dense Discrete Phase Model (DDPM) in Ansys Fluent to predict the amount of air entrained. The model is validated through comparisons with experimental data and other numerical simulations, highlighting the influence of particle size, density, and drop height on air velocity and entrainment. The study concludes with the model's efficiency and the importance of practical case studies for accurate results, making it a valuable resource for understanding and predicting airflow in granular material flows.

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Title: A CFD Model for Free Falling Bulk Materials Analysis
Authors: Leandro F. B. Lima
Maciel C. Furtado
André L. A. Mesquita
Publisher: Springer International Publishing
Book: Multiphase Flow Dynamics
Print ISBN: 978-3-030-93455-2

Electronic ISBN: 978-3-030-93456-9

Copyright Year: 2022
DOI: https://doi.org/10.1007/978-3-030-93456-9_29