[HTML][HTML] Vortex induced vibrations of wind turbine blades: Influence of the tip geometry

SG Horcas, T Barlas, F Zahle, NN Sørensen - Physics of Fluids, 2020 - pubs.aip.org
The present investigation used numerical simulations to study the vortex induced vibrations
(VIVs) of a 96 m long wind turbine blade. The results of this baseline shape were compared …

How vortex dynamics affects the structural load in step cylinder flow

C Tian, J Zhu, LE Holmedal, HI Andersson… - Journal of Fluid …, 2023 - cambridge.org
How vortex dynamics affects the structural load in step cylinder flow Page 1 J. Fluid Mech. (2023),
vol. 972, A10, doi:10.1017/jfm.2023.675 How vortex dynamics affects the structural load in …

Coexistence of natural and forced vortex dislocations in step cylinder flow

C Tian, J Zhu, LE Holmedal - Physics of Fluids, 2023 - pubs.aip.org
The wake behind a step cylinder [consisting of a small diameter cylinder (d) and a large
diameter cylinder (D)] with diameter ratio D/d= 2 at Reynolds number Re D= 200 (the mode …

Analysis of the wake flow behind concave curved cylinders with velocity measurements by particle image velocimetry and modal decomposition

M Chiatto, C Cardinale, JK Shang, F Grasso - Physics of Fluids, 2023 - pubs.aip.org
The properties of the wake flow behind concave curved cylinders have been investigated
analyzing simultaneously the mean velocity profiles extracted along concentric arcs parallel …

Turbulent wake behind a concave curved cylinder

F Jiang, B Pettersen, HI Andersson - Journal of Fluid Mechanics, 2019 - cambridge.org
We present a detailed study of the turbulent wake behind a quarter-ring curved cylinder at
Reynolds number. The presence of the additional peak is ascribed to a strong favourable …

Diameter ratio effects in the wake flow of single step cylinders

C Tian, F Jiang, B Pettersen, HI Andersson - Physics of Fluids, 2020 - pubs.aip.org
Vortex interactions behind step cylinders with diameter ratio 2≤ D/d≤ 3 at Reynolds
number (Re D) 150 were investigated by directly solving the three-dimensional Navier …

Flow topology in the gap and wake of convex curved tandem cylinders

TE Aasland, B Pettersen, HI Andersson… - Journal of Fluid …, 2023 - cambridge.org
Flow around curved tandem cylinders in the convex configuration has been studied by
means of direct numerical simulations, for a Reynolds number of 500 and a nominal gap …

Insights into low Reynolds flow past finite curved cylinders

M Chiatto, JK Shang, L de Luca, F Grasso - Physics of Fluids, 2021 - pubs.aip.org
Spectral proper orthogonal decomposition (SPOD) is applied to experimental digital
visualizations to scrutinize the properties of the wake flow behind curved cylinders. This …

Three-dimensional numerical investigation on flow past two side-by-side curved cylinders

Y Gao, J He, MC Ong, M Zhao, L Wang - Ocean Engineering, 2021 - Elsevier
Three-dimensional numerical simulations of flow past two side-by-side convex curved
cylinders are performed for various spacing ratios (1.25≤ L/D≤ 5) and Reynolds numbers …

Numerical Analysis of the Flow Structure around Inclined Solid Cylinder and Its Effect on Bed Shear Stress Distribution

M Aksel - Journal of Applied Fluid Mechanics, 2023 - jafmonline.net
The flow-inclined cylinder interaction is an application area in the industry (ie, offshore wind
turbines and pile-supported near-shore structures). Findings of recent studies have revealed …