[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 …

Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

Experimental investigation of NOx emission and ash-related issues in ammonia/coal/biomass co-combustion in a 25-kW down-fired furnace

P Ma, Q Huang, T Si, Y Yang, S Li - Proceedings of the Combustion …, 2023 - Elsevier
Co-firing ammonia in coal units is a promising approach for the phasedown of coal power. In
this paper, we demonstrate the feasibility of burning ammonia with coal and biomass in a 25 …

Exhaust Gas Recirculation (EGR) analysis of a swirl-stabilized pulverized coal flame with focus on NOx release using FPV-LES

D Meller, L Engelmann, OT Stein, AM Kempf - Fuel, 2023 - Elsevier
Abstract Highly-resolved Large Eddy Simulations (LES) are performed to investigate the
combustion characteristics and the NO x-formation in the swirl-induced recirculation zones …

Evaluation of ammonia co-firing in the CRIEPI coal jet flame using a three mixture fraction FPV-LES

D Meller, L Engelmann, P Wollny, K Tainaka… - Proceedings of the …, 2023 - Elsevier
Abstract Highly resolved Large Eddy Simulations (LES) are performed to investigate co-
firing of coal and ammonia in a burner experiment conducted by the Central Research …

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 …

Flame characterisation of gas-assisted pulverised coal combustion using FPV-LES

TD Luu, A Shamooni, OT Stein, A Kronenburg… - Proceedings of the …, 2023 - Elsevier
A multiphase flamelet/progress variable (FPV) model for the large eddy simulation (LES) of
gas-assisted pulverised coal combustion (PCC) is developed. The target of the simulation is …

A four-fuel-stream flamelet model for large-eddy simulation of piloted pulverized coal/ammonia co-combustion

X Wen, A Shamooni, OT Stein, K Tainaka… - Proceedings of the …, 2024 - Elsevier
In advanced industrial applications, multiple fuel streams may be introduced in the
combustion burners to improve the combustion efficiency and reduce pollutants formation. In …

[HTML][HTML] Detailed modeling of aluminum particle combustion–from single particles to cloud combustion in bunsen flames

J Zhang, OT Stein, A SHAMOONI, XIA Zhixun… - Chinese Journal of …, 2022 - Elsevier
A numerical model for aluminum cloud combustion which includes the effects of interphase
heat transfer, phase change, heterogeneous surface reactions, homogeneous combustion …

Fully-resolved simulations of volatile combustion and NOx formation from single coal particles in recycled flue gas environments

A Shamooni, OT Stein, A Kronenburg, AM Kempf… - Proceedings of the …, 2023 - Elsevier
The interaction of coal particles and recycled/recirculated flue gas (RFG) with elevated
temperatures and low levels of oxygen occurs in various pulverised coal combustion …