[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 …

Modelling and optimisation of biomass injection in ironmaking blast furnaces

Y Liu, Y Shen - Progress in Energy and Combustion Science, 2021 - Elsevier
Biomass is a renewable and potentially carbon-neutral energy source and can be a
promising alternative to fossil fuels in the ironmaking industry. Pulverised biomass injection …

Flame structure analysis and composition space modeling of thermodiffusively unstable premixed hydrogen flames—Part II: Elevated pressure

X Wen, T Zirwes, A Scholtissek, H Böttler, F Zhang… - Combustion and …, 2022 - Elsevier
This paper is a continuation of the work we carried out in Part I (Wen et al., 2021), studying
the flame structure analysis and composition space modeling of an outwardly expanding …

Effect of heterogeneity on interphase heat transfer for gas–solid flow: A particle-resolved direct numerical simulation

J Fu, S Chen, X Zhou - Physics of Fluids, 2022 - pubs.aip.org
Particle-resolved direct numerical simulation (PR-DNS) of flow past a particle cluster is
conducted to analyze the influence of heterogeneous particle distribution on the gas–solid …

Carrier-phase direct numerical simulation and flamelet modeling of NOx formation in a pulverized coal/ammonia co-firing flame

X Wen, A Shamooni, T Zirwes, OT Stein… - Combustion and …, 2024 - Elsevier
A carrier-phase direct numerical simulation (CP-DNS) of a coal/ammonia co-firing flame in a
turbulent mixing layer is performed with a detailed chemical reaction mechanism including …

Application of the sparse-Lagrangian multiple map** conditioning approach to a model supersonic combustor

Z Huang, MJ Cleary, H Zhang - Physics of Fluids, 2020 - pubs.aip.org
The Multiple Map** Conditioning/Large Eddy Simulation (MMC-LES) model is extended
for the first time to high-speed, compressible flow conditions and validated against non …

A three mixture fraction flamelet model for multi-stream laminar pulverized coal combustion

X Wen, Y Luo, H Wang, K Luo, H **, J Fan - Proceedings of the …, 2019 - Elsevier
A three mixture fraction flamelet model is proposed for multi-stream laminar pulverized coal
combustion. The technique of coordinate transformation is utilized to map the flamelet …

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 …

A review of coal heating value correlations with application to coal char, tar, and other fuels

AP Richards, D Haycock, J Frandsen, TH Fletcher - Fuel, 2021 - Elsevier
Accurately measuring a fuel's heating value is one of the first steps in the classification of a
new fuel. Heating values are widely used in coal combustion research and are becoming …

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 …