Assessing transfer matrix models and measurements using acoustic energy conservation principles

V Latour… - … for Gas Turbines …, 2024 - asmedigitalcollection.asme.org
Acoustic transfer matrices are widely used in the analysis of combustion dynamics of gas
turbines. The reliability of the analysis thus depends on the quality of the determination of …

Data-driven model-based instability prediction in an annular combustor relying on a flame response mapping of the operating domain

V Latour, D Durox, A Renaud, S Candel - Combustion and Flame, 2024 - Elsevier
At a stage where new architectures and alternative fuels are being proposed to tackle the
environmental challenges, it is important to be able to deal with combustion dynamics issues …

Experiments on symmetry breaking of azimuthal combustion instabilities and their analysis combining acoustic energy balance and flame describing functions

V Latour, D Durox, A Renaud, S Candel - Journal of Fluid Mechanics, 2024 - cambridge.org
Combustion instabilities in annular systems raise fundamental issues that are also of
practical importance to aircraft engines and ground-based gas turbine combustors. Recent …

[HTML][HTML] Comparison of pressure-based flame describing functions measured in an annular combustor under self-sustained oscillations and in an externally …

A Alhaffar, V Latour, C Patat, D Durox, A Renaud… - Proceedings of the …, 2024 - Elsevier
One important aspect in the analysis of combustion instabilities in multiple-injector annular
systems is that of representing such oscillations with a linear array of injectors. This issue is …

Nonlinear interactions between the fundamental and its harmonics of self-excited azimuthal thermoacoustic instabilities

J Kim, M Isono, T Saito - Combustion and Flame, 2023 - Elsevier
Thermoacoustic instabilities in combustors are inherently nonlinear processes, manifested
by multiple peaks in the spectrum. Analyzing these signals is crucial to understand the …

Large Eddy Simulations of n-heptane and n-dodecane binary blends in swirling multi-component spray flames

N Sekularac, T Lesaffre, D Laera, L Gicquel - Proceedings of the …, 2024 - Elsevier
Well-understanding and mastering Sustainable Aviation Fuels (SAF) mixture composition as
well as the potential of their initial component concentrations' impact on flames is clearly of …