[HTML][HTML] Impact of H2-enrichment on the response of a partially premixed CH4–air flame to velocity and equivalence ratio fluctuations

AM Garcia, S Le Bras, J Prager, I Boxx, W Polifke - Combustion and Flame, 2024 - Elsevier
The dynamics of hydrogen-enriched partially premixed methane–air flames are investigated,
focusing on the frequency response to velocity and equivalence ratio fluctuations. Large …

Modelling the response of a turbulent jet flame to acoustic forcing in a linearized framework using an active flame approach

TL Kaiser, G Varillon, W Polifke, F Zhang, T Zirwes… - Combustion and …, 2023 - Elsevier
This study performs a linear mean field analysis of a turbulent reacting methane-air jet flame,
with the goal of predicting the response of the reacting flow to upstream acoustic actuation …

FELiCS: a versatile linearized solver addressing dynamics in multi-physics flows

TL Kaiser, S Demange, JS Müller, S Knechtel… - AIAA Aviation 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-3434. vid This manuscript provides
a brief description of the linearized flow solver FELiCS and reviews six applications of the …

[HTML][HTML] Identification of entropy waves in a partially premixed combustor

AJ Eder, B Dharmaputra, AM Garcia, CF Silva… - Proceedings of the …, 2024 - Elsevier
Unsteady combustion generates not only acoustic waves, but also fluctuations of the burnt
gas temperature—referred to as entropy waves. These waves are convected by the mean …

Modeling the Convection of Entropy Waves in Strongly Non-Parallel Turbulent Flows Using a Linearized Framework

TL Kaiser, N Noiray, Q Male… - … Expo: Power for …, 2022 - asmedigitalcollection.asme.org
The study investigates two effects, which can lead to a mitigation of entropy waves in a gas
turbine combustor: Mean flow shear dispersion and turbulent mixing. Using a transport …