|
|
|
|
|
Ting Shi and Xueyuan Peng
Air compressors in hydrogen fuel cell vehicles play a crucial role in ensuring the stability of the cathode air system. However, they currently face challenges related to low efficiency and poor stability. To address these issues, the experimental setup ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lucilene Silva, Tomas Grönstedt, Carlos Xisto, Luiz Whitacker, Cleverson Bringhenti and Marcus Lejon
The ratio between blade height and chord, named the aspect ratio (AR), plays an important role in compressor aerodynamic design. Once selected, it influences stage performance, blade losses and the stage stability margin. The choice of the design AR invo...
ver más
|
|
|
|
|
|
|
|
|
|
|
David S. Pellicer and Emilio Larrodé
This paper shows the development of a numerical analysis model, which enables the calculation of the cargo transport capacity of a vehicle that circulates through a vacuum tube at high speed, whose effectiveness in transport is analyzed. The simulated tr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hefang Deng, Kailong Xia, Jinfang Teng, Xiaoqing Qiang, Mingmin Zhu and Shaopeng Lu
The moving endwall has a great influence on the development and stability of axial compressor leakage flow. This paper presents a novel experimental facility with a high-speed moving endwall for studying axial compressor leakage flow. The uniqueness of t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Clémence Rannou, Julien Marty, Geoffrey Tanguy and Antoine Dazin
The tip gap region of an axial compressor rotor is a source of complex flows, inducing losses and stability issues. Recent works have proven the ability of blowing high-speed jets in the tip region to improve the surge margin of an axial compressor stage...
ver más
|
|
|
|
|
|
|
|
|
|
|
E. S. Abdelghany, Mohamed B. Farghaly, Mishari Metab Almalki, H. H. Sarhan and Mohamed El-Sayed M. Essa
Airplane manufacturers are frequently faced with formidable challenges to improving both aircraft performance and customer safety. Ice accumulation on the wings of aircraft is one of the challenges, which could result in major accidents and a reduction i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Joseph Moubogha Moubogha, Gabriel Margalida, Pierric Joseph, Olivier Roussette and Antoine Dazin
Stall and surge are strong limitations in the operating range of compressors and thus one of the major limits of jet engine performance. A promising way to push the stability limit of compression machines is to inject a small amount of flow at the blade ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Anne-Lise Fiquet, Stéphane Aubert, Nicolas Buffaz, Agathe Vercoutter and Christoph Brandstetter
Non-synchronous blade vibrations have been observed in an experimental multi-stage high-speed compressor setup at part-speed conditions. A detailed numerical study has been carried out to understand the observed phenomenon by performing unsteady full-ann...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hengtao Shi
The blade geometry design method is an important tool to design high performance axial compressors, expected to have large design space while limiting the quantity of design variables to a suitable level for usability. However, the large design space ten...
ver más
|
|
|
|
|
|
|
|
|
|
|
Reinhard Niehuis and Martin Bitter
Since its first operation in 1956 at DFL Braunschweig and after its movement to Munich, the High-Speed Cascade Wind Tunnel (HGK) at Bundeswehr University Munich is intensively used for fundamental and application-oriented research on aero-thermodynamics ...
ver más
|
|
|
|
|
|