[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 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 …

Effect of fuel ratio of coal on the turbulent flame speed of ammonia/coal particle cloud co-combustion at atmospheric pressure

K Hadi, R Ichimura, G Hashimoto, Y Xia… - Proceedings of the …, 2021 - Elsevier
This study aims to clarify the effect of fuel ratio of coal on the turbulent flame speed of
ammonia/coal particle cloud co-combustion at atmospheric pressure under various …

Optimization of a pyrolysis furnace using multi-jet arrays through numerical and machine learning techniques

W Wu, M Zhang, Y Wang, L Zhao, H Dong… - International Journal of …, 2023 - Elsevier
This paper investigates the effect of multi-jet arrays on the decomposition of magnesium
nitrate in a pyrolysis furnace through computational fluid dynamics (CFD) and machine …

Flamelet LES of oxy-fuel swirling flames with different O2/CO2 ratios using directly coupled seamless multi-step solid fuel kinetics

H Nicolai, P Debiagi, J Janicka, C Hasse - Fuel, 2023 - Elsevier
Oxy-fuel combustion, in combination with carbon capture technologies, has generated
significant interest since it has a high potential for rapid CO 2 cutbacks for newly built and …

LES of nanoparticle synthesis in the spraysyn burner: A comparison against experiments

J Sellmann, P Wollny, SJ Baik, S Suleiman… - Powder Technology, 2022 - Elsevier
The synthesis of iron oxide nanoparticles from iron nitrate in the SpraySyn spray flame
reactor was investigated by experiment and simulation. The focus was on the spray and …

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 …

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 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 …

LES of pulverized coal combustion with a multi-regime flamelet model

X Wen, Y Luo, K Luo, H Jin, J Fan - Fuel, 2017 - Elsevier
It is well known that premixed and non-premixed flamelets coexist in the combustion system,
especially for multiphase combustion (Luo et al., 2011; Bai et al., 2016). In this work, a multi …