[HTML][HTML] Advanced modeling approaches for CFD simulations of coal combustion and gasification
Coal is the most abundant fossil fuel and is widely used as an energy source for combustion
and gasification. Both experimental methods and computational tools are required for the …
and gasification. Both experimental methods and computational tools are required for the …
A review of recent studies of the CFD modelling of coal gasification in entrained flow gasifiers, covering devolatilization, gas-phase reactions, surface reactions …
The development and employment of comprehensive combustion/gasification models for the
optimum selection of process conditions and gasification parameters, especially for …
optimum selection of process conditions and gasification parameters, especially for …
Suppression mechanism of ultrafine water mist containing phosphorus compounds in methane/coal dust explosions
H Jiang, M Bi, L Huang, Y Zhou, W Gao - Energy, 2022 - Elsevier
The effect of ultrafine water mist with phosphorus-containing compounds (PCCs) on the
flame in CH 4/coal dust explosion is experimentally and numerically investigated. In this …
flame in CH 4/coal dust explosion is experimentally and numerically investigated. In this …
Effect of turbulence intensity on flame propagation and extinction limits of methane/coal dust explosions
H Jiang, M Bi, Z Gao, Z Zhang, W Gao - Energy, 2022 - Elsevier
Methane/coal dust explosions pose a serious threat to the safety of coal mining. Since the
flow field in the tunnel is unsteady, the effect of turbulence on flame propagation is essential …
flow field in the tunnel is unsteady, the effect of turbulence on flame propagation is essential …
Numerical study on spherical flame propagation in dispersed liquid ammonia droplets
Directly using liquid ammonia in combustion devices can simplify the fuel supply system and
reduce equipment costs. However, the detailed ignition and propagation mechanisms of …
reduce equipment costs. However, the detailed ignition and propagation mechanisms of …
[HTML][HTML] Influences of liquid fuel atomization and flow rate fluctuations on spray combustion instabilities in a backward-facing step combustor
Combustion instabilities occurring in spray combustion fields inside a backward facing step
combustor have been investigated by performing large-eddy simulations (LES). In this study …
combustor have been investigated by performing large-eddy simulations (LES). In this study …
Flamelet LES modeling of coal combustion with detailed devolatilization by directly coupled CPD
A large eddy simulation (LES) with direct CPD devolatilization modeling and gas phase
combustion modeling through a new flamelet approach is presented for the CRIEPI flame by …
combustion modeling through a new flamelet approach is presented for the CRIEPI flame by …
[HTML][HTML] Numerical approaches for thermochemical conversion of char
NEL Haugen, BKY Loong, RE Mitchell - Progress in Energy and …, 2022 - Elsevier
This paper gives a review of the current state of the art for numerical simulations of char
conversion. In particular, it presents models that have been developed to describe the …
conversion. In particular, it presents models that have been developed to describe the …
Review of 30 years of research using the chemical percolation devolatilization model
TH Fletcher - Energy & Fuels, 2019 - ACS Publications
The chemical percolation devolatilization (CPD) model for coal pyrolysis was first published
in 1989, and a completed version that included the vapor–liquid equilibrium model and …
in 1989, and a completed version that included the vapor–liquid equilibrium model and …
Carrier-phase DNS of pulverized coal particle ignition and volatile burning in a turbulent mixing layer
Direct numerical simulations (DNS) of a three-dimensional turbulent mixing layer are
performed, where coal particles seeded in an air stream mix with hot lean combustion …
performed, where coal particles seeded in an air stream mix with hot lean combustion …