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 …

[HTML][HTML] Thermodiffusively-unstable lean premixed hydrogen flames: Phenomenology, empirical modelling, and thermal leading points

TL Howarth, EF Hunt, AJ Aspden - Combustion and Flame, 2023 - Elsevier
Thermodiffusively-unstable lean premixed hydrogen flames are investigated using three-
dimensional direct numerical simulation with finite-rate chemical kinetics. A large number of …

The effect of pressure on lean premixed hydrogen-air flames

M Rieth, A Gruber, JH Chen - Combustion and Flame, 2023 - Elsevier
The effect of pressure on the propagation of lean premixed hydrogen-air flames is
investigated numerically with a hierarchy of canonical configurations including direct …

Diffusive effects of hydrogen on pressurized lean turbulent hydrogen-air premixed flames

W Song, FE Hernández-Pérez, HG Im - Combustion and Flame, 2022 - Elsevier
To understand the turbulence-chemistry interaction of lean hydrogen-air premixed flames at
elevated pressures, we conduct a series of high-fidelity direct numerical simulations with …

Thermodiffusively unstable laminar hydrogen flame in a sufficiently large 3D computational domain–Part I: Characteristic patterns

X Wen, L Berger, L Cai, A Parente, H Pitsch - Combustion and Flame, 2024 - Elsevier
Thermodiffusive instabilities can have a leading order effect on flame propagation for lean
premixed hydrogen flames. Many simulation studies have been performed to study this …

Structure of turbulent rich hydrogen‐air premixed flames

ZY Sun - International Journal of Energy Research, 2018 - Wiley Online Library
In the present article, series of experiments were conducted to study the structure
characteristics of premixed flames in turbulent rich hydrogen‐air mixtures within a constant …

Modeling pressure effects on the turbulent burning velocity for lean hydrogen/air premixed combustion

Z Lu, Y Yang - Proceedings of the Combustion Institute, 2021 - Elsevier
We investigate and model pressure effects on the turbulent burning velocity over a range of
pressures and turbulence intensities with the direct numerical simulation (DNS) of …

Characteristics of turbulent flames in a confined and pressurised jet-in-hot-coflow combustor

DB Proud, MJ Evans, QN Chan, PR Medwell - Journal of the Energy …, 2022 - Elsevier
Combustion in hot and low oxygen environments—such as those encountered in practical
devices including inter-turbine burners and sequential gas turbines—is not yet fully …

Electric field effects on hydrogen/methane oxidation: A reactive force field based molecular dynamics study

F Sun, W Zeng - International Journal of Hydrogen Energy, 2020 - Elsevier
In the study, molecular dynamics simulations associated with reactive force fields are
performed to examine the effect of an imposed electric field at different strengths upon the …

Numerical study on the effects of rupture disk opening manner on high-pressure hydrogen release and spontaneous ignition

C Lu, R Zhang, J Zheng, K Ma, Q Li - International Journal of Hydrogen …, 2023 - Elsevier
Spontaneous ignition of released high-pressure hydrogen is one major safety hazard for
rupture disk (RD) device used in hydrogen energy pressure equipment. This study …