Assessment of the indirect combustion noise generated in a transonic high-pressure turbine stage

D Papadogiannis, G Wang… - … for Gas Turbines …, 2016 - asmedigitalcollection.asme.org
Indirect combustion noise, generated by the acceleration and distortion of entropy waves
through the turbine stages, has been shown to be the dominant noise source of gas turbines …

Combustion noise in modern aero-engines

I Duran, S Moreau, F Nicoud, T Livebardon, E Bouty… - Aerospace Lab, 2014 - hal.science
Combustion noise has recently been the subject of attention of both the aeroacoustic and
the combustion research communities. Over the last decades, engine manufacturershave …

Unsteady multi-component simulations dedicated to the impact of the combustion chamber on the turbine of aeronautical gas turbines

C Koupper - 2015 - theses.hal.science
Nowadays, engines powering modern and large commercial or military aircraft essentially
rely on gas turbine technologies. Since the first prototypes built in the 40's, the efficiency and …

Noise mechanisms in a transonic high-pressure turbine stage

G Wang, M Sanjose, S Moreau… - International …, 2016 - journals.sagepub.com
In modern ultra-high by-pass ratio turboengines, the noise contribution of both turbine
stages and combustion chamber is expected to increase drastically. In the present work …

Computing combustion noise by combining large eddy simulations with analytical models for the propagation of waves through turbine blades

I Duran, M Leyko, S Moreau… - Comptes …, 2013 - comptes-rendus.academie-sciences …
The contribution of combustion noise to the total acoustic emissions of the aircraft has
increased in commercial airplanes as the noise generated by other sources such as jet and …

Study of Combustion Noise Generation in a Realistic Turbine Stage Configuration

C Becerril, S Moreau… - … Expo: Power for …, 2018 - asmedigitalcollection.asme.org
Generation of combustion noise is here studied in a realistic turbine stage configuration,
where the temperature fluctuations generated by an aeronautical burner (responsible of the …

Assessment of the indirect combustion noise generated in a transonic high-pressure turbine stage

D Papadogiannis, F Duchaine… - … Expo: Power for …, 2015 - asmedigitalcollection.asme.org
Indirect combustion noise, generated by the acceleration and distortion of entropy waves
through the turbine stages, has been shown to be the dominant noise source of gas turbines …

Numerical study of flame stability, stabilization and noise in a swirl-stabilized combustor under choked conditions

CJ Lapeyre - 2015 - theses.hal.science
Air transportation is an essential part of modern business and leisure needs, and the
number of passengers carried per year is rapidly increasing worldwide. The International …

Simulation of noise emitted by a reactive flow

CB Aguirre - 2017 - theses.hal.science
Combustion noise is increasing its relative contribution to aircraft noise, while other sources
are being reduced and new low-NOx emission combustion chambers being built. Two …

Analyse instationnaire aérothermique d'un étage de turbine avec transport de points chauds

F Wlassow - 2012 - theses.hal.science
Afin d'augmenter le rendement et la puissance spécifique des turbines à gaz, la température
en entrée de la turbine haute pression a été continuellement augmentée, au point …