Computational fluid dynamics (CFD) plays an essential role to analyze fluid flows and heat
transfer situations by using numerical methods. Turbomachines involve internal and external …

Subscripts atm= for the atmospheric conditions choked= for the choked operating point exp=
from the experiment i, j= indices for the time and space respectively nom= for the nominal …

The increase of the thrust-to-weight ratio of modern gas-turbine engines results in higher
loads and a reduced number of blades and stages for the compressor. The designer must …

The hub leakage flow has been acknowledged as an important factor for performance
deficiency of axial-flow compressors. Meanwhile, the laminar-turbulent transition in …

The increased use of intermittent forms of renewable energy like wind and solar energy
produces fluctuations in the electric grid that have to be compensated. For this reason …

The aim of the present study is to evaluate the efficiency of a boundary layer suction
technique in case of a centrifugal compressor stage in order to extend its stable operating …

Passive control devices based on casing treatments have already shown their capability to
improve the flow stability in axial compressors. However, their optimization remains complex …

Control devices based on casing treatments have already shown their capability to improve
the flow stability in compressors. However their optimization remains complex due to a …

Passive control devices based on casing treatments have already shown their capability to
improve the flow stability in axial compressors. Among many geometries that have been …

This work is the final step of a research project that aims at evaluating the possibility of
delaying the surge of a centrifugal compressor stage using a boundary‐layer suction …