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A modified CFD-DEM method for accurate prediction of the minimum fluidization velocity [PDF]
International Journal of Fluid EngineeringMonodisperse fluidized bed experiments have been carried out on 13 kinds of particles with different particle sizes in a cylindrical fluidized bed. The accuracy of nine commonly used monodisperse drag models, including the Gidsapow, BVK, and Zhou–Fan ...
Xuan He +3 more
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Fluidization Dynamics of Hydrophobic Nanosilica with Velocity Step Changes
Applied Sciences, 2020 Nanosilica is widely used in various applications, with its market expected to grow over USD 5 billion by 2025. The fluidized bed technology, owing to its intimate contact and efficient mixing of phases, is ideally suited for the large scale processing ...
Ebrahim H. Al-Ghurabi +3 more
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Deagglomeration of Ultrafine Hydrophilic Nanopowder Using Low-Frequency Pulsed Fluidization
Nanomaterials, 2020 Low-frequency flow pulsations were utilized to improve the hydrodynamics of the fluidized bed of hydrophilic ultrafine nanosilica powder with strong agglomeration behavior.
Ebrahim H. Al-Ghurabi +3 more
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Frontiers in Energy Research, 2023 Hydrodynamics of fluidized beds with binary mixtures of particles is important in many industrial applications. The binary particles are generally in the Geldart particle range.
Arijit Ganguli, Viraj Bhatt
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Advances in Mechanical Engineering, 2018 Supercritical water fluidized bed is a promising reactor which can realize the efficient and clean gasification of coal to produce hydrogen. As the high pressure and temperature inside supercritical water fluidized bed, the study of the detail flow ...
Zhenqun Wu +4 more
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Investigation into the hydrodynamics of liquid-solid inclined micro-fluidized beds
Resources Chemicals and Materials, 2022 The inclined micro-fluidized bed (MFB) can enhance heat and mass transfer rates compared to the vertically aligned counterparts, but the increased significance of surface forces and wall effects may cause poor fluidization performance. In this paper, the
Yi Zhang +4 more
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Fluidization and Spouting of Fine Particles: A Comparison
Advances in Materials Science and Engineering, 2013 The fluidization characteristics of fine particles have been studied in both the fluidized bed and spouted bed. The effect of different system parameters (viz.
Pranati Sahoo, Abanti Sahoo
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Role of Acoustic Fields in Promoting the Gas-Solid Contact in a Fluidized Bed of Fine Particles
KONA Powder and Particle Journal, 2014 The present work is a review presenting the main results obtained by our research group in the field of sound-assisted fluidization of fine particles. Our aim is to highlight the role of acoustic fields in enhancing the gas-solid contact efficiency, with
Federica Raganati +2 more
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DYNAMIC STUDY BEHAVIOR OF THE FLUIDIZED BINARY MIXTURE BED WITH BENTONITE PARTICLES
Scientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food IndustryThis study presents experimental data on the behavior of gas-solid systems in classical fluidization of simple particles and binary mixtures. Sodium and calcium bentonite particles with different physical properties were used to determine dynamic ...
GABRIELA MUNTIANU +6 more
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Fluids, 2023 The fluidization of certain biomasses used in thermal processes, such as sawdust, is particularly difficult due to their irregular shapes, varied sizes, and low densities, causing high minimum fluidization velocities (Umf).
Andres Reyes-Urrutia +5 more
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