Description du projet
Tester des modules de sortie de moteur pour la nouvelle génération de moteurs d’avion
Le développement d’architectures de moteur avancées, telles que les turboréacteurs à engrenages de nouvelle génération et les moteurs à très haut taux de dilution, constitue une étape importante pour atteindre une réduction de 75 % des émissions de CO2 d’ici 2050. Dans ces architectures de moteur, les modules de sortie du moteur (EEM) doivent résister à des températures plus élevées, présenter des pertes de pression plus faibles et être plus légers sans compromettre les performances. Le projet EATEEM, financé par l’UE, vise à accroître le niveau de maturité des EEM. Les chercheurs testeront les EEM dans une installation unique de l’Université de technologie Chalmers, en Suède. L’installation comprend une section d’essai ouverte qui permet d’étudier des ensembles EEM composés d’une structure arrière de turbine et d’une tuyère d’échappement centrale.
Objectif
A unique facility for experimental testing of engine exit modules (EEM) at engine-realistic flow conditions is currently available at Chalmers University of Technology and will be used to address this JTP action. The unique design of the facility includes an open test section which permits investigation of the complete EEM assemblies consisting of a turbine rear structure (TRS) and a core exhaust nozzle. The facility is equipped with a 1.5 stage shrouded low-pressure turbine (LPT) providing realistic inflow to the tested EEM. The parameters of the facility completely fulfil the requirements specified in the topic description. Thus, the LPT blade height, the flow Reynolds number range, the LPT flow coefficient, the LPT load coefficient, the LPT exit swirl angle range, the LPT hub-to-tip ratio and the purge flow are as specified. The instrumentation of the facility also completely fulfils the topic requirements. Multi-hole pressure probes are available upstream and downstream of the tested EEM. Both traversing systems are covering an entire 360-degree sector of the test section from hub to shroud. Furthermore, in practically all modern techniques of the flow and heat transfer diagnostics are available in the facility. This includes a complete set of equipment and software for PIV (particle image velocimetry) including high-speed stereo-PIV, tomographic-PIV, long-distance micro-PIV and endoscopic micro-PIV. Furthermore, equipment and software for surface oil-flow visualisation and oil-film interferometry, hot-wire and hot-film interferometry, pressure- and temperature-sensitive paints, digital image correlation (DIC), naphthalene sublimation, liquid-crystal thermography and IR-thermography are available as well. Personnel in the workgroup is highly skilled in using all these measurement techniques and has many years of experience in innovation turbomachinery research programs at national and European level.
Champ scientifique
Programme(s)
Régime de financement
RIA - Research and Innovation actionCoordinateur
412 96 GOTEBORG
Suède