Prediction and control of combustion instabilities in real engines
T Poinsot - Proceedings of the Combustion Institute, 2017 - Elsevier
This paper presents recent progress in the field of thermoacoustic combustion instabilities in
propulsion engines such as rockets or gas turbines. Combustion instabilities have been …
propulsion engines such as rockets or gas turbines. Combustion instabilities have been …
[HTML][HTML] Prediction of combustion instability limit cycle oscillations by combining flame describing function simulations with a thermoacoustic network model
Accurate prediction of limit cycle oscillations resulting from combustion instability has been a
long-standing challenge. The present work uses a coupled approach to predict the limit …
long-standing challenge. The present work uses a coupled approach to predict the limit …
Hydrogen substitution of natural-gas in premixed burners and implications for blow-off and flashback limits
Two multi-perforated premixed burners, designed for natural gas, are fueled with increasing
hydrogen content to assess the limits of H 2 substitution and investigate potential risks …
hydrogen content to assess the limits of H 2 substitution and investigate potential risks …
Dynamics and control of premixed combustion systems based on flame transfer and describing functions
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 …
waves. Expressions are derived to determine the stability of combustors with respect to …
Impact of wall heat transfer in Large Eddy Simulation of flame dynamics in a swirled combustion chamber
Abstract Large Eddy Simulation (LES) is a fundamental research tool to study gas turbines
and aero-engine combustors. In LES, although rarely addressed systematically, it is known …
and aero-engine combustors. In LES, although rarely addressed systematically, it is known …
Influence of hydrogen content and injection scheme on the describing function of swirled flames
The dynamics of V-shape swirled lean premixed methane/air flames enriched with hydrogen
is examined for two injection schemes. The response of the flames submitted to harmonic …
is examined for two injection schemes. The response of the flames submitted to harmonic …
DNS of intrinsic thermoacoustic modes in laminar premixed flames
Recent studies [Hoeijmakers et al. 2014, Emmert et al. 2015] suggest that thermoacoustic
modes can appear in combustors with anechoic terminations, which have no acoustic …
modes can appear in combustors with anechoic terminations, which have no acoustic …
Progress in analytical methods to predict and control azimuthal combustion instability modes in annular chambers
Progress in analytical methods to predict and control azimuthal combustion instability
modes in annular chambers | Physics of Fluids | AIP Publishing Skip to Main Content …
modes in annular chambers | Physics of Fluids | AIP Publishing Skip to Main Content …
Joint experimental and numerical study of the influence of flame holder temperature on the stabilization of a laminar methane flame on a cylinder
The mechanisms controlling laminar flame anchoring on a cylindrical bluff-body are
investigated using DNS and experiments. Two configurations are examined: water-cooled …
investigated using DNS and experiments. Two configurations are examined: water-cooled …
Near wall dynamics of premixed flames
Highly-resolved numerical simulations employing detailed reaction kinetics and molecular
transport have been applied to flame-wall interaction (FWI) of laminar premixed flames. A …
transport have been applied to flame-wall interaction (FWI) of laminar premixed flames. A …