Combustion noise has recently been the subject of attention of both the aeroacoustic and the combustion research communities. Over the last decades, engine manufacturershave …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …