Partial premixing and stratification in turbulent flames

AR Masri - Proceedings of the Combustion institute, 2015 - Elsevier
This paper reviews recent advances in understanding the structure of turbulent partially
premixed and stratified flames. The term “partially premixed” refers here to compositionally …

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 …

Understanding the role of flow dynamics in thermoacoustic combustion instability

J O'Connor - Proceedings of the Combustion Institute, 2023 - Elsevier
Thermoacoustic combustion instability is one of the most challenging operational issues in
several high-performance, low-emissions combustion technologies, including gas turbines …

Large-eddy simulation of the lean-premixed preccinsta burner with wall heat loss

P Bénard, G Lartigue, V Moureau, R Mercier - Proceedings of the …, 2019 - Elsevier
Swirl burners are widely used in aeronautical engines and industrial gas turbines. These
burners enhance the flame stabilization by bringing back hot products to the reactive zone …

A direct numerical simulation study of flame structure and stabilization of an experimental high Ka CH4/air premixed jet flame

H Wang, ER Hawkes, JH Chen - Combustion and Flame, 2017 - Elsevier
In the present work, a direct numerical simulation (DNS) of an experimental high Karlovitz
number (Ka) CH 4/air piloted premixed flame was analyzed to study the inner structure and …

Toluene addition to turbulent H2/natural gas flames in bluff-body burners

AJ Gee, Y Yin, KK Foo, A Chinnici, N Smith… - International Journal of …, 2022 - Elsevier
A key challenge in the transition towards using hydrogen as an alternative carbon-free fuel
is the reduced thermal radiation due to the absence of soot. A novel solution to this may be …

Effects of strain rate, turbulence, reactant stoichiometry and heat losses on the interaction of turbulent premixed flames with stoichiometric counterflowing combustion …

B Coriton, JH Frank, A Gomez - Combustion and flame, 2013 - Elsevier
Intense strain, turbulence, heat transfer, and mixing with combustion products can affect
premixed flames in practical combustion devices. These effects are systematically studied in …

Large eddy simulation of premixed turbulent combustion using a non-adiabatic, strain-sensitive flamelet approach

Y Tang, V Raman - Combustion and Flame, 2021 - Elsevier
In this study, a novel strained, non-adiabatic flamelet generated manifold (FGM) model is
developed based on a counterflow premixed flame. The different levels of strain and heat …

The behaviour of laminar stratified methane/air flames in counterflow

R Zhou, S Hochgreb - Combustion and flame, 2013 - Elsevier
Flames propagating through a mixture with a gradient of equivalence ratio have been
previously demonstrated to travel faster or slower than their equivalent premixed flames. The …

Describing the mechanism of instability suppression using a central pilot flame with coupled experiments and simulations

J Li, H Kwon, D Seksinsky… - … for Gas Turbines …, 2022 - asmedigitalcollection.asme.org
Pilot flames are commonly used to extend combustor operability limits and suppress
combustion oscillations in low-emissions gas turbines. Combustion oscillations, a coupling …