Dynamic multiscale method for gas‐solid flow via spatiotemporal coupling of two‐fluid model and discrete particle model
Sign Up to like & getrecommendations! Published in 2017 at "Aiche Journal"
DOI: 10.1002/aic.15723
Abstract: Various computational fluid dynamics methods have been developed to study the hydrodynamics of gas-solid flows, however, none of those methods is suitable for all the problems encountered due to the inherent multiscale characteristics of gas-solid… read more here.
Keywords: gas; multiscale method; model; gas solid ... See more keywords
Borescopy in pressurized gas‐solid fluidized beds
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DOI: 10.1002/aic.16186
Abstract: A borescopic technique was used for finding the effect of pressure on the hydrodynamics of gas-solid fluidized beds. The results showed that solids radial distribution may become more or less uniform with increasing pressure depending… read more here.
Keywords: fluidized beds; pressurized gas; solid fluidized; gas ... See more keywords
Partitioning characteristic of chlorine ion in gas and solid phases in process of desulfurization wastewater evaporation: model development and calculation
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-018-04070-5
Abstract: Since the promulgation of “Water Pollution Control Action Plan “ in China, zero liquid discharge of desulfurization wastewater has become a new trend of power plant water pollution control. Aiming at the application of desulfurization… read more here.
Keywords: desulfurization wastewater; chlorine ion; gas; gas solid ... See more keywords
Mathematical model and numerical solutions for the coupled gas–solid heat transfer process in moving packed beds
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DOI: 10.1016/j.apenergy.2017.10.011
Abstract: A theoretical study was performed into the coupled gas–solid heat transfer process in a moving cooling packed clinker bed. A mathematical model for the clinker cooling process including effects from clinker movement is proposed. The… read more here.
Keywords: clinker; coupled gas; process; solid heat ... See more keywords
Effect of flow pulsation on fluidization degree of gas-solid fluidized beds by using coupled CFD-DEM
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2018.09.033
Abstract: Abstract In this paper, the effect of inlet flow type on fluidization of a gas-solid fluidized bed was studied by using numerical simulations. Gas-solid fluidized beds are widely used in processes such as heating, cooling,… read more here.
Keywords: velocity; pulsation; gas; gas solid ... See more keywords
Flexible discretization technique for DEM-CFD simulations including thin walls
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DOI: 10.1016/j.apt.2020.02.017
Abstract: Abstract The discrete element method (DEM) coupled with computational fluid dynamics (CFD) method is regarded as a standard approach for a simulation of a gas-solid mixture system. In the DEM-CFD method, the local volume average… read more here.
Keywords: technique; thin walls; method; gas solid ... See more keywords
Quantifying cluster dynamics to improve EMMS drag law and radial heterogeneity description in coupling with gas-solid two-fluid method
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2016.08.084
Abstract: Abstract Quantification of multiscale heterogeneity is the key to the simulation of gas-solid two-phase flow. The energy-minimization multiscale (EMMS) model can be used at different scales to describe local and global heterogeneities as well as… read more here.
Keywords: fluid; heterogeneity; description; gas solid ... See more keywords
Pattern formation in pulsed gas-solid fluidized beds – The role of granular solid mechanics
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.05.152
Abstract: Under certain conditions, gas-solid fluidized beds are known to develop a structured flow of bubbles when exposed to periodically pulsating air flows. In quasi-two-dimensional beds, periodically rising bubbles form a triangular tessellation in the vertical… read more here.
Keywords: solid mechanics; fluidized beds; gas; solid fluidized ... See more keywords
Dynamic characterizations of gas–solid flow in a novel multistage fluidized bed via nonlinear analyses
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2018.11.083
Abstract: Abstract A novel multistage fluidized bed for dry desulfurization was presented for the improvement of a gas–solid flow structure. Experiments based on pressure signal acquisition were performed under extensive operating conditions. To obtain a systematic… read more here.
Keywords: gas; gas solid; fluidized bed; multistage fluidized ... See more keywords
Three-dimensional axial dispersion of gas-solid fluidized beds using 8-plane electrical capacitance volume tomography
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.131422
Abstract: Abstract Due to the complex flow characteristics and opaqueness of gas-solid fluidized beds, the axial behavior of circulating fluidized bed (CFB) risers is not entirely understood. A 32-electrode electrical capacitance volume tomography (ECVT) system with… read more here.
Keywords: gas; plane; gas solid; fluidized beds ... See more keywords
Preparation of submicron boron carbide powder through gas-solid reaction method
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.04.201
Abstract: Abstract Boron carbide submicron powder was synthesized with boron oxide and graphene as starting materials by gas-solid reaction method using two different apparatuses. The effects of calcination temperature and holding time, apparatus type and B… read more here.
Keywords: boron; solid reaction; gas solid; powder ... See more keywords