[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 …

[HTML][HTML] Recent advances in high-fidelity simulations of pulverized coal combustion

R Cai, K Luo, H Watanabe, R Kurose, J Fan - Advanced Powder …, 2020‏ - Elsevier
Although renewable energy has recently attracted a lot of attention, coal-fired power plants
will still play an important role in electricity production in the future due to coal's abundance …

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 …

[HTML][HTML] Fully-resolved simulations of coal particle combustion using a detailed multi-step approach for heterogeneous kinetics

GL Tufano, OT Stein, A Kronenburg, G Gentile… - Fuel, 2019‏ - Elsevier
Fully-resolved simulations of the heating, ignition, volatile flame combustion and char
conversion of single coal particles in convective gas environments are conducted and …

Modeling and simulation of coal gasification on an entrained flow coal gasifier

H Watanabe, R Kurose - Advanced Powder Technology, 2020‏ - Elsevier
In this paper, the recent researches and developments on coal gasification modeling and
simulation are described. Numerical models for the three chemical processes such as …

Flame structure analysis and flamelet progress variable modelling of strained coal flames

D Messig, M Vascellari, C Hasse - Combustion Theory and …, 2017‏ - Taylor & Francis
Strained two-phase pulverised coal flames in a counterflow configuration are investigated
numerically. Three operating conditions with different coal-to-primary-air ratios and inlet …

Evaluation of flamelet/progress variable model for laminar pulverized coal combustion

X Wen, H Wang, Y Luo, K Luo, J Fan - Physics of Fluids, 2017‏ - pubs.aip.org
In the present work, the flamelet/progress variable (FPV) approach based on two mixture
fractions is formulated for pulverized coal combustion and then evaluated in laminar …

Ignition under strained conditions: unsteady flamelet progress variable modeling for diesel engine conditions in the transient counterflow configuration

Z Sun, S Gierth, M Pollack, C Hasse… - Combustion and Flame, 2022‏ - Elsevier
The ignition of non-premixed n-dodecane-air flames is studied in a highly transient
counterflow configuration under diesel engine operating conditions. The one-dimensional …

Regime identification from Raman/Rayleigh line measurements in partially premixed flames

S Hartl, D Geyer, A Dreizler, G Magnotti, RS Barlow… - Combustion and …, 2018‏ - Elsevier
Current methods for combustion regime characterization, such as the flame index, rely on
3D gradient information that is not accessible with available experimental techniques. Here …

Physics-informed neural networks coupled with flamelet/progress variable model for solving combustion physics considering detailed reaction mechanism

M Song, X Tang, J **ng, K Liu, K Luo, J Fan - Physics of Fluids, 2024‏ - pubs.aip.org
In recent years, physics-informed neural networks (PINNs) have shown potential as a
method for solving combustion physics. However, current efforts using PINNs for the direct …