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Article (Scientific journals)
Exit Dynamics of a Square Cylinder
Ashraf, Intesaaf; Dorbolo, Stéphane
2024In Ocean Engineering, 297, p. 117106
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Keywords :
Physics - Fluid Dynamics; Ocean Engineering; Environmental Engineering
Abstract :
[en] In this paper, we experimentally investigate the exit dynamics of a square cylinder, that is initially fully immersed in a water tank and that crosses the interface perpendicularly to its symmetry axis. The cylinder moves upwards at a constant velocity in the vertical direction till the cylinder exits out of the water into the air. The experiments were performed at different traveling speeds. The images of the cylinder crossing the interface were taken using a high-speed camera. The images were used to track the interface deformation when the cylinder approaches and crosses the interface. On top of these measurements, the force required to move the cylinder was simultaneously measured in order to estimate the drag force during the travel in the tank, the force of entrainment, and the force of crossing over the interface. Particle image velocimetry was performed to visualize the flow. Correlations between the different measurements are inspected.
Disciplines :
Physics
Author, co-author :
Ashraf, Intesaaf  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Dorbolo, Stéphane  ;  Université de Liège - ULiège > Département de physique > Physique statistique
Language :
English
Title :
Exit Dynamics of a Square Cylinder
Publication date :
2024
Journal title :
Ocean Engineering
ISSN :
0029-8018
eISSN :
1873-5258
Publisher :
Elsevier BV
Volume :
297
Pages :
117106
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
ULiège - University of Liège
Available on ORBi :
since 15 February 2024

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