Stratified turbulent flames: Recent advances in understanding the influence of mixture inhomogeneities on premixed combustion and modeling challenges

AN Lipatnikov - Progress in Energy and Combustion Science, 2017 - Elsevier
The goals of the present review paper are;(i) to introduce experimental facilities and
numerical tools applied to investigating inhomogeneously premixed flames,(ii) to summarize …

Ammonia combustion and emissions in practical applications: a review

M Alnajideen, H Shi, W Northrop, D Emberson, S Kane… - Carbon Neutrality, 2024 - Springer
Ammonia is emerging as a viable alternative to fossil fuels in combustion systems, aiding in
the reduction of carbon emissions. However, its use faces challenges, including NOx …

Turbulent flame speed of NH3/CH4/H2/H2O/air-mixtures: Effects of elevated pressure and Lewis number

S Wang, AM Elbaz, G Wang, Z Wang, WL Roberts - Combustion and Flame, 2023 - Elsevier
This study investigated the turbulent flame speed (ST) of NH 3/CH 4/H 2/air mixtures
subjected to differential-diffusion effect characterized by sub-unity Lewis number (Le) at …

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 …

The Darrieus–Landau instability of premixed flames

M Matalon - Fluid Dynamics Research, 2018 - iopscience.iop.org
The most prominent intrinsic flame instability is the hydrodynamic, or Darrieus–Landau (DL)
instability, that results from the gas expansion caused by the heat released during …

Role of Darrieus–Landau instability in propagation of expanding turbulent flames

S Yang, A Saha, Z Liu, CK Law - Journal of Fluid Mechanics, 2018 - cambridge.org
In this paper we study the essential role of Darrieus–Landau (DL), hydrodynamic, cellular
flame-front instability in the propagation of expanding turbulent flames. First, we analyse and …

Dynamics of premixed hydrogen/air flames in unsteady flow

F Zhang, T Zirwes, Y Wang, Z Chen, H Bockhorn… - Physics of …, 2022 - pubs.aip.org
Fully resolved numerical simulations with finite rate chemical reactions and detailed
molecular diffusion have been conducted for a series of laminar premixed hydrogen–air …

Evaluation of flame area based on detailed chemistry DNS of premixed turbulent hydrogen-air flames in different regimes of combustion

M Klein, A Herbert, H Kosaka, B Böhm… - Flow, Turbulence and …, 2020 - Springer
Precise evaluation of flame surface area plays a pivotal role in the fundamental
understanding and accurate modelling of turbulent premixed flames. This necessity is …

Evolution of local flame displacement speeds in turbulence

HL Dave, S Chaudhuri - Journal of Fluid Mechanics, 2020 - cambridge.org
In this study, we assess the veracity of models for density-weighted local flame displacement
speed of turbulent premixed flames. It will be shown that a combination of two models, one …

Self-similar propagation and flame acceleration of hydrogen-rich syngas turbulent expanding flames

H Li, G Li, G Zhang - Fuel, 2023 - Elsevier
In order to investigate the flame self-similar propagation and flame acceleration
characteristics of hydrogen-rich syngas turbulent expanding flames, the turbulent …