Proper orthogonal decomposition of self-induced instabilities in decelerated swirling flows and their mitigation through axial water injection

D Štefan, P Rudolf, S Muntean… - Journal of Fluids …, 2017‏ - asmedigitalcollection.asme.org
The swirling flow exiting the runner of a hydraulic turbine is further decelerated in the
discharge cone of the draft tube to convert the excess of dynamic pressure into static …

The impact of circularity defects on bridge stay cable dry gallo** stability

A Benidir, O Flamand, G Dimitriadis - Journal of Wind Engineering and …, 2018‏ - Elsevier
The present work studies the influence of circularity defects, on the aerodynamic behaviour
of stay cables of cable-stayed bridges. It focuses on wind tunnel tests on High-Density …

4D visualization study of a vortex ring life cycle using modal analyses

B Ponitz, M Sastuba, C Brücker - Journal of Visualization, 2016‏ - Springer
In this study, the life cycle of a vortex ring is visualized and simultaneously investigated in a
three-dimensional (3D) domain and time resolved for an observer in a reference frame …

Experimental and numerical investigations of the aeroelastic stability of bluff structures

T Andrianne - 2012‏ - orbi.uliege.be
The study of the dynamic interactions between the wind and civil engineering structures has
become increasingly important over the last few decades. Most of these structures are …

Aerodynamic instability of circular slender structures due to bistable flow activity

A Benidir, O Flamand, G Dimitriadis… - Structural Engineering …, 2022‏ - Taylor & Francis
Slender structures with circular cylindrical cross-sections are very common in civil
engineering, industrial equipment and bridge engineering. Such long cylinders subjected to …

[PDF][PDF] Fluid-Dynamic and Aeroacoustic Characterization of Side-by-Side Rotor Interaction. Aerospace 2023, 10, 851

RE Nargi, P Candeloro, F De Gregorio, G Ceglia… - 2023‏ - researchgate.net
An investigation of twin corotating rotors' interaction effects was performed by load (thrust
and torque) measurements, flow field dynamics through Time-Resolved Particle Image …

On the aerodynamic characteristics of inclined stay cable sheaths in the critical flow regime

A Benidir, O Flamand, G Dimitriadis - Journal of Fluids and Structures, 2020‏ - Elsevier
This paper studies the presence of the bistable flow activity around inclined cable models. It
presents results from wind tunnel test on static original High-Density Polyethylene cable …

[PDF][PDF] Using proper orthogonal decomposition methods for comparing CFD results to experimental measurements

T Andrianne, A Guissart, V Terrapon… - Proceedings of 5th …, 2012‏ - jaxa.repo.nii.ac.jp
This work presents a method for quantitative comparison of numerical results to
experimental measurements. It is based on the concept of Proper Orthogonal …