Experimental and numerical investigation of sands and Geldart A biomass co-fluidization

Lu, Liqiang; Yu, Jia; Gao, Xi; Xu, Yupeng; Shahnam, Mehrdad; Rogers, William A.

doi:10.1002/aic.16969

Title: Experimental and numerical investigation of sands and Geldart A biomass co-fluidization

Abstract

This study investigated the fluidization of sands and small Geldart A biomass mixtures. The mixture fluidized like Geldart A type particles with a uniform bed expansion regime before bubbling. The video recorded color distance between pure sands and sands–biomass mixtures was used to estimate the sands–biomass mixing. The coarse-grained computational fluid dynamics–discrete element method with a hybrid drag model which couples the Syamlal–O'Brien drag and a filtered drag can capture the mixing while the simulation with Gidaspow drag predicted a segregated bed. The simulations were further validated with experimental measured pressure drops. The time averaged pressure drop equals the weight of the bed material, however, its fluctuation is about three times of the bed material fluctuation.

Authors:

^[1]; Yu, Jia ^[2];

^[1]; Xu, Yupeng ^[1]; Shahnam, Mehrdad ^[2]; Rogers, William A. ^[2]

National Energy Technology Lab. (NETL), Morgantown, WV (United States); Leidos Research Support Team, Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States)

Publication Date:: 2020-03-16

Research Org.:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)

Sponsoring Org.:: USDOE Office of Fossil Energy (FE)

OSTI Identifier:: 1635630

Resource Type:: Accepted Manuscript

Journal Name:: AIChE Journal

Additional Journal Information:: Journal Volume: 66; Journal Issue: 6; Journal ID: ISSN 0001-1541

Publisher:: American Institute of Chemical Engineers

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; biomass; coarse-grained CFD–DEM; drag model; filtered model; fluidized bed

Citation Formats


                    Lu, Liqiang, Yu, Jia, Gao, Xi, Xu, Yupeng, Shahnam, Mehrdad, and Rogers, William A. Experimental and numerical investigation of sands and Geldart A biomass co-fluidization.  United States: N. p., 2020. 
Web.  doi:10.1002/aic.16969.

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                    Lu, Liqiang, Yu, Jia, Gao, Xi, Xu, Yupeng, Shahnam, Mehrdad, & Rogers, William A. Experimental and numerical investigation of sands and Geldart A biomass co-fluidization.  United States.  https://doi.org/10.1002/aic.16969

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                    Lu, Liqiang, Yu, Jia, Gao, Xi, Xu, Yupeng, Shahnam, Mehrdad, and Rogers, William A. Mon .  
"Experimental and numerical investigation of sands and Geldart A biomass co-fluidization".  United States.  https://doi.org/10.1002/aic.16969.  https://www.osti.gov/servlets/purl/1635630.

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@article{osti_1635630,

  title        = {Experimental and numerical investigation of sands and Geldart A biomass co-fluidization},

  author       = {Lu, Liqiang and Yu, Jia and Gao, Xi and Xu, Yupeng and Shahnam, Mehrdad and Rogers, William A.},

  abstractNote = {This study investigated the fluidization of sands and small Geldart A biomass mixtures. The mixture fluidized like Geldart A type particles with a uniform bed expansion regime before bubbling. The video recorded color distance between pure sands and sands–biomass mixtures was used to estimate the sands–biomass mixing. The coarse-grained computational fluid dynamics–discrete element method with a hybrid drag model which couples the Syamlal–O'Brien drag and a filtered drag can capture the mixing while the simulation with Gidaspow drag predicted a segregated bed. The simulations were further validated with experimental measured pressure drops. The time averaged pressure drop equals the weight of the bed material, however, its fluctuation is about three times of the bed material fluctuation.},

  doi          = {10.1002/aic.16969},

  journal      = {AIChE Journal},

  number       = 6,

  volume       = 66,

  place        = {United States},

  year         = {2020},

  month        = {3}

}

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Title: Experimental and numerical investigation of sands and Geldart A biomass co-fluidization

Abstract

Citation Formats

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Modeling of drag with the Eulerian approach and EMMS theory for heterogeneous dense gas–solid two-phase flow
journal, March 2007

Filtered two-fluid models for fluidized gas-particle suspensions
journal, January 2008

Overview of Computational Fluid Dynamics Simulation of Reactor-Scale Biomass Pyrolysis
journal, March 2017

CFD simulation of concurrent-up gas–solid flow in circulating fluidized beds with structure-dependent drag coefficient
journal, December 2003

Open-source MFIX-DEM software for gas-solids flows: Part II — Validation studies
journal, April 2012

A Mixing Behavior Study of Biomass Particles and Sands in Fluidized Bed Based on CFD-DEM Simulation
journal, May 2019

Characterization of the emulsion phase in fine particle fluidized beds
journal, September 1986

Comprehensive assessment of the accuracy of CFD-DEM simulations of bubbling fluidized beds
journal, February 2019

Recent advances in the development of biomass gasification technology: A comprehensive review
journal, May 2017

An overview of advances in biomass gasification
journal, January 2016

Comprehensive experimental investigation on biomass‐glass beads binary fluidization: A data set for CFD model validation
journal, October 2019

Using stereo XPTV to determine cylindrical particle distribution and velocity in a binary fluidized bed
journal, December 2018

The influence of the particle size distribution on fluidized bed hydrodynamics using high-throughput experimentation
journal, August 2009

A material-property-dependent sub-grid drag model for coarse-grained simulation of 3D large-scale CFB risers
journal, August 2019

Sand-assisted fluidization of large cylindrical and spherical biomass particles: Experiments and simulation
journal, April 2015