Intrinsic instability of different fuels spherically expanding flames: a review

F Oppong, Z Luo, X Li, Y Song, C Xu - Fuel Processing Technology, 2022 - Elsevier
Premixed flames have wide-ranging intrinsic instabilities which have been considerably
investigated recently. Intrinsic instability is a classical area in combustion science, it is of …

Intrinsic instabilities in premixed hydrogen flames: parametric variation of pressure, equivalence ratio, and temperature. Part 2–Non‐linear regime and flame speed …

L Berger, A Attili, H Pitsch - Combustion and Flame, 2022 - Elsevier
The propensity of lean premixed hydrogen flames to develop intrinsic instabilities is studied
by means of a series of simulations at different equivalence ratios [0.4–1.0], unburned …

Intrinsic instabilities in premixed hydrogen flames: Parametric variation of pressure, equivalence ratio, and temperature. part 1-dispersion relations in the linear regime

L Berger, A Attili, H Pitsch - Combustion and Flame, 2022 - Elsevier
The impact of intrinsic combustion instabilities is studied for lean premixed hydrogen flames
by means of a series of simulations at different equivalence ratios [0.4-1.0], unburned …

[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 …

[HTML][HTML] LES flamelet modeling of hydrogen combustion considering preferential diffusion effect

R Kai, T Tokuoka, J Nagao, AL Pillai… - International Journal of …, 2023 - Elsevier
A flamelet-generated manifold (FGM) method that explicitly considers the preferential
diffusion effect, referred to as FGM-PD method, is employed for large-eddy simulations …

[HTML][HTML] An empirical characteristic scaling model for freely-propagating lean premixed hydrogen flames

TL Howarth, AJ Aspden - Combustion and Flame, 2022 - Elsevier
Lean premixed hydrogen flames are thermodiffusively unstable due to the high mobility of
the fuel, which leads to localised acceleration and thinning of the flame. Consequently, the …

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 …

Characteristic patterns of thermodiffusively unstable premixed lean hydrogen flames

L Berger, K Kleinheinz, A Attili, H Pitsch - Proceedings of the Combustion …, 2019 - Elsevier
Large-scale two-dimensional numerical simulations of thermodiffusively unstable, lean,
premixed hydrogen flames have been performed using detailed finite rate chemistry to …

Propagation of premixed flames in the presence of Darrieus–Landau and thermal diffusive instabilities

F Creta, PE Lapenna, R Lamioni, N Fogla… - Combustion and …, 2020 - Elsevier
We study the propagation of premixed flames, in the absence of external turbulence, under
the effect of both hydrodynamic (Darrieus–Landau) and thermodiffusive instabilities. The …

Experimental and numerical investigations of forced response of multi-element lean-premixed hydrogen flames

H Kang, C Yoon, KT Kim - Combustion and Flame, 2023 - Elsevier
Understanding the distinctive thermoacoustic properties of multi-element lean-premixed
hydrogen flames is crucial for the development of hydrogen-capable gas turbines. Extending …