Evaluation of coal ammonia flames using a non-adiabatic three mixture fraction flamelet progress variable approach

S Yadav, P Yu, K Tanno, H Watanabe - Energy, 2024 - Elsevier
A highly resolved large eddy simulation (LES) modeling of the co-firing of ammonia with
pulverized coal in a single-burner test furnace of the Central Research Institute of Electric …

Combined flow, temperature and soot investigation in oxy-fuel biomass combustion under varying oxygen concentrations using laser-optical diagnostics

H Schneider, M Bonarens, J Hebel, H Hamel, J Emmert… - Fuel, 2024 - Elsevier
In pulverized oxy-fuel biomass combustion, intricate interaction of complex fluid-mechanical,
particle-dynamical, and chemical processes manifests even at intermediate scales. This …

[HTML][HTML] LES of a swirl-stabilized 40 kWth biomass flame and comparison to a coal flame

P Steffens, L Berkel, S Gierth, P Debiagi, B Özer… - Fuel, 2024 - Elsevier
Recent advancements have introduced high-fidelity simulations in pulverized coal
combustion, yet the shift toward renewable fuels like biomass raises questions about …

[HTML][HTML] Multi-stream FPV-LES modeling of ammonia/coal co-firing on a semi-industrial scale complex burner with pre-heated secondary, tertiary, and staged …

S Yadav, P Yu, K Tanno, H Watanabe - Combustion and Flame, 2024 - Elsevier
The study investigates ammonia/coal co-firing using a non-adiabatic multi-stream
flamelet/progress variable (FPV) approach on a 760 kWth semi-industrial test furnace of …

[HTML][HTML] Single particle conversion of woody biomass using fully-resolved and Euler–Lagrange coarse-graining approaches

TD Luu, J Zhang, JW Gärtner, S Meng, A Kronenburg… - Fuel, 2024 - Elsevier
The conversion of woody biomass is studied by means of a layer-based model for thermally-
thick biomass particles (Thunman et al. 2002, Ström et al. 2013). The model implementation …

[HTML][HTML] Phase-locked absorption tomography for retrieving 5 kHz time-resolved tracer profiles in solid fuel combustion

J Emmert, H Schneider, B Böhm, A Dreizler… - Applications in Energy …, 2022 - Elsevier
Turbulent mixing processes and species transport govern many important properties like
stability and pollutant formation of reactive systems. We propose spectrally resolved …

[HTML][HTML] Comprehensive analysis of the effect of oxyfuel atmospheres on solid fuel combustion using Large Eddy Simulations

LL Berkel, P Steffens, H Nicolai, S Gierth, P Debiagi… - Fuel, 2025 - Elsevier
Coupling oxyfuel combustion with carbon capture and storage (CCS) technologies offers a
promising near-term solution for cleaner power generation. For understanding the effects of …

Spatiotemporal visualization of instantaneous flame structure in a hydrogen-fueled axisymmetric supersonic combustor

Q Li, B Yan, M Sun, Y Tian, M Wan, Z Wang, X Yang… - Physics of …, 2024 - pubs.aip.org
Spatiotemporal visualization of instantaneous flame structures in a hydrogen-fueled
axisymmetric supersonic combustor was investigated using multiview planar laser-induced …

[HTML][HTML] Carrier-phase direct numerical simulation and flamelet modeling of alkali metal emissions from pulverized biomass flames

A Shamooni, X Wen, P Debiagi, A Stagni… - Proceedings of the …, 2024 - Elsevier
Combustion of biomass, as a CO 2-neutral and renewable fuel, is an appealing option in
transition to sustainable energy sources. However, biomass combustion is prone to …

Full-scale CFD study of Swirl Number Effect on Particle and Flow Behavior in interaction with Combustion Dynamics inside Coal Pulverized Burner

LF Ezzahra, B Abdallah, A Senda… - Heat Transfer …, 2023 - dl.begellhouse.com
The present paper reports a numerical investigation of an atmospheric pulverized coal
combustor. The main goal is to study the effects of flow behavior and gas-particle interaction …