[HTML][HTML] Progress in CFD simulations of fluidized beds for chemical and energy process engineering

F Alobaid, N Almohammed, MM Farid, J May… - Progress in Energy and …, 2022 - Elsevier
Gas-solid fluidized beds have drawn the attention of engineers and researchers as an
effective technology for a large variety of applications, and numerical simulations can play …

[HTML][HTML] Multi-scale numerical simulation of fluidized beds: Model applicability assessment

S Wang, C Hu, K Luo, J Yu, J Fan - Particuology, 2023 - Elsevier
In the past few decades, multi-scale numerical methods have been developed to model
dense gas-solid flow in fluidized beds with different resolutions, accuracies, and efficiencies …

Re-designing materials for biomedical applications: from biomimicry to nature-inspired chemical engineering

AS Perera, MO Coppens - Philosophical Transactions of …, 2019 - royalsocietypublishing.org
Gathering inspiration from nature for the design of new materials, products and processes is
a topic gaining rapid interest among scientists and engineers. In this review, we introduce …

Nature-inspired chemical engineering for process intensification

MO Coppens - Annual Review of Chemical and Biomolecular …, 2021 - annualreviews.org
A nature-inspired solution (NIS) methodology is proposed as a systematic platform for
innovation and to inform transformative technology required to address Grand Challenges …

Dynamically structured bubbling in vibrated gas-fluidized granular materials

Q Guo, Y Zhang, A Padash, K **… - Proceedings of the …, 2021 - National Acad Sciences
The dynamics of granular materials are critical to many natural and industrial processes;
granular motion is often strikingly similar to flow in conventional liquids. Food …

Towards accurate modeling of vibration in CFD-DEM simulations of vibrated gas-fluidized beds without using a moving mesh

Q Guo, J Tian, R Huang, CM Boyce - Chemical Engineering Science, 2024 - Elsevier
Vibrated gas-fluidized beds are widely used industrially, and two main methods exist to
simulate them computationally:(i) in a moving reference frame by oscillating gravity and (ii) …

Dynamically structured fluidization: Oscillating the gas flow and other opportunities to intensify gas-solid fluidized bed operation

V Francia, K Wu, MO Coppens - Chemical Engineering and Processing …, 2021 - Elsevier
Various approaches to structure gas-solid fluidized beds are reviewed, followed by detailed
discussion on the use of gas pulsation to induce dynamic structuring. Granular media are …

Comprehensive multivariate sensitivity analysis of CFD-DEM simulations: Critical model parameters and their impact on fluidization hydrodynamics

A Bakshi, M Shahnam, A Gel, T Li, C Altantzis… - Powder Technology, 2018 - Elsevier
The development of CFD-DEM is critical for investigating particle phenomena and their
coupling with reactor transport. However, there continues to be considerable uncertainty in …

Experimental and numerical study of the characteristics of the forced oscillation in a pulsation fluidized bed (PFB) for coal separation

L Dong, F Zhu, Y Li, Y Zhao, C Duan, Y Ren… - Chemical Engineering …, 2021 - Elsevier
Pulsation fluidized bed (PFB) has indisputable advantages for the dry coal beneficiation
process. Due to the interaction mechanism between pulsation gas flow and particles is not …

Solids lateral mixing and compartmentalization in dynamically structured gas–solid fluidized beds

LA Vandewalle, V Francia, KM Van Geem… - Chemical Engineering …, 2022 - Elsevier
An adequate use of gas pulsation can create an ordered, dynamically structured bubble flow
in a bed of Geldart B particles. A structured bed is more homogeneous, responds to external …