Juan San Roque, Miguel
[ES] El siguiente proyecto tuvo como objetivo reducir el tiempo de análisis y mejorar los resultados del proceso de cristalización en el equipo CRYSTEX-QC mediante la implementación de un nuevo ventilador más potente que el anterior. Para ello, se llevó a cabo un estudio con el fin de determinar la posición más eficiente del ventilador. Tras observ...
Magand, Dimitri Deck, Sébastien Renard, Nicolas Dugeai, Alain Bois, Béatrice Spriet, Tony
The aim of this research is to analyze the flow generated by the interaction between a simplified linear blade cascade of an industrial aircraft engine demonstrator and an ingested vortex with the aerodynamic characteristics of a ground vortex in real conditions. Due to the lack of experimental and high-fidelity numerical studies in the literature,...
shermyn, leong
BACHELOR'S / BACHELOR OF SCIENCE (PROJECT AND FACILITIES MANAGEMENT)
Caries, Valentin Montsarrat, Christophe Boudet, Jérôme Lippinois, Eric
In the present work, a low-fidelity three-dimensional approach has been developed for the prediction of the flow around shrouded rotors. This method is to be used in the initial steps of design, for a wide exploration of the design space, including disruptive geometries, at minimal cost. The present approach is based on the vortex lattice method. F...
Fiquet, Anne-Lise Ottavy, Xavier Brandstetter, Christoph
The onset of non-synchronous-vibrations have been predicted for a composite open-test-case UHBR fan geometry by time-linearized simulations at part-speed conditions. In the current study, time-accurate simulations with harmonic blade oscillations have been conducted to investigate the non-linear behaviour. Results for different operating conditions...
Fiore, Maxime Daroukh, Majd Montagnac, Marc
This article presents the study of the Source Diagnostic Test fan rig of the NASA Glenn (NASA SDT). Numerical simulations are performed for the three different outlet guide vane (OGV) geometries (baseline, low count, and low noise) and three rotational speeds corresponding to approach, cutback, and sideline operating conditions, respectively. Unste...
de la Asunción Mollá, Salvador
[ES] El rendimiento de los motores a reacción se ve muy afectado por las irregularidades del flujo de aire que entra en ellos. La distorsión de tipo swirl en el flujo será estudiada en este trabajo, y como simularla. El objetivo del estudio es usar el método de diseño StreamVane, ideado por Kevin M.Hoopes, y optimizar sus parámetros de entrada para...
Thouret, Jean-Claude Boivin, P. Miallier, D. Donnadieu, F. Dumoulin, J.-P. Labazuy, P.
Few studies have focused on the post-eruption evolution of maar craters and associated lake level changes, al-though breaching of the crater rim poses mass-flow andflood hazards long after the initial eruption. LakePavin is a maar lake in the French Massif central formed by an eruption c. 6700 years ago. The maar is perchedon the edge of a glaciall...
Castillo Pardo, Alejandro Hall, cesare
Boundary Layer Ingestion (BLI) potentially offers a large reduction in fuel burn and pollutant emissions. The Propulsive Fuselage Concept features an electrically driven fan at the aft section of the airframe that ingests 360◦ of the fuselage boundary layer. As a result, the distortion at the fan face during cruise is reduced to radial. This paper ...
Brandstetter, Christoph Pagès, Valdo Duquesne, Pierre Ottavy, Xavier Ferrand, Pascal Aubert, Stéphane Blanc, Laurent
Application of composite rotors enables disruptive design possibilities but demands for a fundamental understanding of the dynamic behaviour to ensure robust design and safe operation. Sensitivity to multi-physical resonance between aerodynamic, structure-dynamic and acoustic phenomena is amplified in modern low speed fan designs for UHBR applicati...