Results 11 to 20 of about 426,541 (194)

Influence of cross-sectional aspect ratio on biochar segregation in a bubbling fluidized bed [PDF]

open access: yesScientific Reports, 2022
In this study, computational particle fluid dynamics was applied to investigate the segregation characteristics of biochar in a bubbling fluidized bed. The aspect ratio of the bubbling fluidized bed was changed and the effects of the aspect ratio on the ...
Hoon Chae Park, Hang Seok Choi
doaj   +2 more sources

From bubbling to circulating fluidized bed combustion—development and comparison [PDF]

open access: yesHeliyon
The most significant introduction of fluidized bed combustion technology took place about 50 years ago. Initially the combustion beds were of the bubbling type.
Bo Leckner
doaj   +2 more sources

Flow Behavior of Nanoparticle Agglomerates in a Fluidized Bed Simulated with Porous-Structure-Based Drag Laws [PDF]

open access: yesNanomaterials
Fluidization bed reactor is an attractive method to synthesize and process quantities of functional nanoparticles, due to the large gas–solid contact area and its potential scalability.
Shaowei Wang   +3 more
doaj   +2 more sources

A Computational Study of the Influence of Drag Models and Heat Transfer Correlations on the Simulations of Reactive Polydisperse Flows in Bubbling Fluidized Beds

open access: yesFluids, 2023
In this work, the influence of gas–solid drag and heat transfer coefficient models on the prediction capacity of the Euler–Euler approach to simulate reactive bubbling fluidized bed flows is studied.
Manuel Ernani Cruz   +3 more
doaj   +1 more source

Analysis of Voidage Fluctuations in Gas-Solid Bubbling Fluidized Bed Based on Kolmogorov Entropy

open access: yes发电技术, 2021
The gas-solid flow state determines the gas-solid mixing, heat and mass transfer characteristics in the fluidized bed, and plays an important role in the design, operation and monitoring of the fluidized bed device.
Feng HAN   +5 more
doaj   +1 more source

Numerical Simulation of Fluidized Bed Gasifier Coupled with Solid Oxide Fuel Cell Fed with Solid Carbon

open access: yesEnergies, 2021
A model of a fluidized bed coupled with direct carbon solid oxide fuel cell (SOFC) is developed to explore the effect of coupling between fluidized bed and solid oxide fuel cell.
Dongxu Zhang   +4 more
doaj   +1 more source

Effect of particle shape on bubble dynamics in bubbling fluidized bed [PDF]

open access: yesEPJ Web of Conferences, 2021
Particle shape can significantly affect the bubble dynamics of bubbling fluidized beds (BFB). In this paper, findings obtained from simulations using CFD-DEM are summarized to discuss the effect of particle shape on bubble dynamics and bubble properties ...
Shrestha Siddhartha, Zhou Zongyan
doaj   +1 more source

Particle-Scale Simulation of Solid Mixing Characteristics of Binary Particles in a Bubbling Fluidized Bed

open access: yesEnergies, 2020
The behavior of solid mixing dynamic is of profound significance to the heat transfer and reaction efficiencies in energy engineering. In the current study, the solid mixing characteristics of binary particles in the bubbling fluidized bed are further ...
Junjie Lin   +4 more
doaj   +1 more source

Numerical Simulation of Gassolid Twophase Flow Characteristics in Bubbling Fluidized Bed

open access: yesJournal of Harbin University of Science and Technology, 2019
In order to study the gas-solid two-phase flow characteristics in bubbling fluidized bed reactor, the numerical simulation method, the Fushimi, to simulate the process of cold experiments, we set up reasonable TBCFB gasifier model of gas-solid two-phase ...
LI Jiu-ru, LI Ming-kun, CHEN Ju-hui
doaj   +1 more source

Measurement of Flow Characteristics in a Bubbling Fluidized Bed Using Electrostatic Sensor Arrays [PDF]

open access: yes, 2016
Fluidized beds are widely applied in a range of industrial processes. In order to maintain the efficient operation of a fluidized bed, the flow parameters in the bed should be monitored continuously. In this paper, electrostatic sensor arrays are used to
Yang, Yongrong   +3 more
core   +1 more source

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