[HTML][HTML] Advanced modeling approaches for CFD simulations of coal combustion and gasification

C Hasse, P Debiagi, X Wen, K Hildebrandt… - Progress in Energy and …, 2021 - Elsevier
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 …

A review of recent studies of the CFD modelling of coal gasification in entrained flow gasifiers, covering devolatilization, gas-phase reactions, surface reactions …

J Mularski, H Pawlak-Kruczek, N Modlinski - Fuel, 2020 - Elsevier
The development and employment of comprehensive combustion/gasification models for the
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 …

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 …

Numerical study on spherical flame propagation in dispersed liquid ammonia droplets

Z An, J **ng, AL Pillai, R Kurose - Fuel, 2024 - Elsevier
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 …

[HTML][HTML] Influences of liquid fuel atomization and flow rate fluctuations on spray combustion instabilities in a backward-facing step combustor

AL Pillai, J Nagao, R Awane, R Kurose - Combustion and Flame, 2020 - Elsevier
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 …

Flamelet LES modeling of coal combustion with detailed devolatilization by directly coupled CPD

M Rieth, AG Clements, M Rabaçal, F Proch… - Proceedings of the …, 2017 - Elsevier
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 …

[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 …

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 …

Carrier-phase DNS of pulverized coal particle ignition and volatile burning in a turbulent mixing layer

M Rieth, AM Kempf, A Kronenburg, OT Stein - Fuel, 2018 - Elsevier
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 …