Flame dynamics and combustion noise: progress and challenges

S Candel, D Durox, S Ducruix… - International …, 2009 - journals.sagepub.com
This article proposes a review of the state of knowledge in the field of combustion noise. The
survey comprises an initial discussion of indirect and direct noise sources and their general …

A unified framework for nonlinear combustion instability analysis based on the flame describing function

N Noiray, D Durox, T Schuller… - Journal of Fluid Mechanics, 2008 - cambridge.org
Analysis of combustion instabilities relies in most cases on linear analysis but most
observations of these processes are carried out in the nonlinear regime where the system …

Dynamics and control of premixed combustion systems based on flame transfer and describing functions

T Schuller, T Poinsot, S Candel - Journal of Fluid Mechanics, 2020 - cambridge.org
This article describes recent progress on premixed flame dynamics interacting with acoustic
waves. Expressions are derived to determine the stability of combustors with respect to …

Flame dynamics of a variable swirl number system and instability control

D Durox, JP Moeck, JF Bourgouin, P Morenton… - Combustion and …, 2013 - Elsevier
Swirling flame dynamics is investigated using a radial swirler equipped with movable
blades. This device allows to continuously change the swirl number and to examine various …

Spatially distributed flame transfer functions for predicting combustion dynamics in lean premixed gas turbine combustors

KT Kim, JG Lee, BD Quay, DA Santavicca - Combustion and Flame, 2010 - Elsevier
The present paper describes a methodology to improve the accuracy of prediction of the
eigenfrequencies and growth rates of self-induced instabilities and demonstrates its …

Combustion instabilities in sudden expansion oxy–fuel flames

M Ditaranto, J Hals - Combustion and flame, 2006 - Elsevier
An experimental study on combustion instability is presented with focus on oxy–fuel type
combustion. Oxidants composed of CO2/O2 and methane are the reactants flowing through …

Combustion dynamics of multi-element lean-premixed hydrogen-air flame ensemble

H Kang, KT Kim - Combustion and Flame, 2021 - Elsevier
The crux of the technical issues facing the development of hydrogen gas turbine engines is
the problem of how to enable low NOx, low dynamics combustor operations without …

Experimental investigation of combustion dynamics and NOx/CO emissions from densely distributed lean-premixed multinozzle CH4/C3H8/H2/air flames

U Jin, KT Kim - Combustion and Flame, 2021 - Elsevier
Lean-premixed fuel-flexible combustion technology capable of operating on a wide range of
fuels, including high or pure hydrogen, is expected to play a crucial role in reducing nitrogen …

Influence of radial fuel staging on combustion instabilities and exhaust emissions from lean-premixed multi-element hydrogen/methane/air flames

U Jin, KT Kim - Combustion and Flame, 2022 - Elsevier
The utilization of hydrogen-blended hydrocarbon fuels, or even completely carbon-free fuels
like pure hydrogen and ammonia, will be indispensable in the effort to reduce anthropogenic …

Combustion dynamics of lean fully-premixed hydrogen-air flames in a mesoscale multinozzle array

T Lee, KT Kim - Combustion and Flame, 2020 - Elsevier
In the near future, lean-premixed hydrogen combustion technology for low-emission gas
turbine engines is expected to be crucial in the effort to mitigate greenhouse gas emissions …