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Proc. ASME. OMAE2019, Volume 8: Polar and Arctic Sciences and Technology; Petroleum Technology, V008T11A074, June 9–14, 2019
Paper No: OMAE2019-96338
... mm OD inner pipe). The flow loop was equipped with particle image velocimetry (PIV) system, which was used to collect velocity field data. The PIV data were then used to study the characteristics of the turbulent flow of water in the eccentric annulus. The velocity field and Reynolds stress profiles...
Proc. ASME. OMAE2013, Volume 7: CFD and VIV, V007T08A030, June 9–14, 2013
Paper No: OMAE2013-10454
... stationary circular cylinder free-surface piercing cylinder low aspect ratio PIV force measurements Strouhal number Experiments were carried out in a recirculating water channel regarding the flow around stationary circular cylinders with low aspect ratio piercing the water free...
Proc. ASME. OMAE2012, Volume 5: Ocean Engineering; CFD and VIV, 799-808, July 1–6, 2012
Paper No: OMAE2012-83652
... structures partly submerged in water. A three dimensional unsteady flow around a rectangular cylinder is studied for four different submergence ratios by using computational fluid dynamics (CFD) tools with LES turbulence model. Simulation results are compared to particle image velocimetry (PIV) measurements...
Proc. ASME. OMAE2012, Volume 5: Ocean Engineering; CFD and VIV, 25-34, July 1–6, 2012
Paper No: OMAE2012-83053
... Image Velocimetry (PIV) to measure the flow before, in-plane and behind the propeller and the ESDs, and by using Smart Ship Model technology (Wijngaarden 2011) to simulate the full-scale wake field during the model tests to gain insights on scale effects of the ESDs. At the same time, computational...
Proc. ASME. OMAE2010, 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 4, 275-283, June 6–11, 2010
Paper No: OMAE2010-20481
... Fish cage Porous cylinders Ventilation Laboratory tests PIV Flow field benchmarks The average flow field inside and around the bottom of porous cylinders in a uniform flow is explored using Particle Image Velocimetry (PIV). Tests were conducted on six cylinders with porosities of 0...
Proc. ASME. OMAE2009, Volume 5: Polar and Arctic Sciences and Technology; CFD and VIV, 853-867, May 31–June 5, 2009
Paper No: OMAE2009-80089
... Vortex induced vibrations Flexible beam Hydrodynamic coefficients PIV For prediction of vortex-induced vibrations (VIV) the empirical models apply hydrodynamic coefficients to represent the fluid forces on the slender structures. The coefficients are in most cases found by measuring...
Proc. ASME. OMAE2008, Volume 4: Ocean Engineering; Offshore Renewable Energy, 537-543, June 15–20, 2008
Paper No: OMAE2008-57746
... field downstream from the models was analysed using particle image velocimetry (PIV). The Reynolds numbers ranged from 1000 to 20000 based on the model diameter and 15 to 300 based on the diameter of the strings of the mesh as an independent obstacle. High porosities (here 82% and 90%) lead to low water...
Proc. ASME. OMAE2007, Volume 3: Pipeline and Riser Technology; CFD and VIV, 781-791, June 10–15, 2007
Paper No: OMAE2007-29193
... that the flow conditions are identical. The vortex shedding process for the motion controlled rigid cylinder has been mapped using Particle Imaging Velocimetry (PIV) under varying oscillation conditions. Improved understanding of correlation along a flexible beam and the interaction between cylinder...
Proc. ASME. OMAE2005, 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 3, 965-972, June 12–17, 2005
Paper No: OMAE2005-67426
... regular waves. The main focus is on the following issues: Determination of the water velocities around the vessel using PIV techniques and pressures on a girth below and just above the mean waterline of the vessel using pressure gauges. Comparison of the detailed RANS simulations of the flow around the...