2022
DOI: 10.1016/j.combustflame.2021.111744
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CFD modeling of biomass combustion and gasification in fluidized bed reactors using a distribution kernel method

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Cited by 29 publications
(8 citation statements)
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“…The solid particles are tracked in a Lagrangian frame, and the coarse grain method (CGM) is used to reduce the computational time. In CGM, the particles with similar properties at the same location are grouped together in parcels, and the governing equations are solved for parcels instead of particles . The momentum equation for each parcel is based on Newton’s second law of motion where gravity and drag are the forces acting on the parcel normald m italici v italici normald t = f normalD , italici + g ( 1 ρ ρ i ) m italici where m i , ρ i , and v i are the mass, density, and velocity of the i th parcel, and f D, i is the drag force acting on the parcel, which is calculated based on the parcel’s velocity relative to the gas-phase velocity ( U – v i ) .…”
Section: Numerical Modelmentioning
confidence: 99%
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“…The solid particles are tracked in a Lagrangian frame, and the coarse grain method (CGM) is used to reduce the computational time. In CGM, the particles with similar properties at the same location are grouped together in parcels, and the governing equations are solved for parcels instead of particles . The momentum equation for each parcel is based on Newton’s second law of motion where gravity and drag are the forces acting on the parcel normald m italici v italici normald t = f normalD , italici + g ( 1 ρ ρ i ) m italici where m i , ρ i , and v i are the mass, density, and velocity of the i th parcel, and f D, i is the drag force acting on the parcel, which is calculated based on the parcel’s velocity relative to the gas-phase velocity ( U – v i ) .…”
Section: Numerical Modelmentioning
confidence: 99%
“…In CGM, the particles with similar properties at the same location are grouped together in parcels, and the governing equations are solved for parcels instead of particles. 40 The momentum equation for each parcel is based on Newton’s second law of motion where gravity and drag are the forces acting on the parcel where m i , ρ i , and v i are the mass, density, and velocity of the i th parcel, and f D, i is the drag force acting on the parcel, which is calculated based on the parcel’s velocity relative to the gas-phase velocity ( U – v i ). 36 The mass and energy balances for the parcels are and where the convective heat transfer from surrounding gas to the particles can be calculated by In the above equations, c p i and T i are the specific heat capacity and temperature of the parcel, respectively.…”
Section: Numerical Modelmentioning
confidence: 99%
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