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Investigation on 3-D characteristics of flow around a yawed and inclined circular cylinder
AbstractA three-dimensional detached eddy simulation (DES) study was conducted to investigate the three-dimensional characteristics of the fully developed flow past a yawed and inclined circular cylinder. Flow at Reynolds number (Re) of 1.4×105 (based on freestream velocity U and the diameter of the cylinder D) over a cylinder with axial lengths of 10D, 20D and 30D was simulated. Spanwise wall boundary conditions were also studied to examine their effect on the flow field. The simulation shows that the flow is highly three-dimensional. The swirling flow with low pressure on the cylinder plays an important role in generating multiple moving forces, which can produce low-frequency loadings. The mechanism of generation of forces on the cylinder provides fundamental information necessary for the understanding of the oscillation of a yawed and inclined circular cylinder.
Investigation on 3-D characteristics of flow around a yawed and inclined circular cylinder
AbstractA three-dimensional detached eddy simulation (DES) study was conducted to investigate the three-dimensional characteristics of the fully developed flow past a yawed and inclined circular cylinder. Flow at Reynolds number (Re) of 1.4×105 (based on freestream velocity U and the diameter of the cylinder D) over a cylinder with axial lengths of 10D, 20D and 30D was simulated. Spanwise wall boundary conditions were also studied to examine their effect on the flow field. The simulation shows that the flow is highly three-dimensional. The swirling flow with low pressure on the cylinder plays an important role in generating multiple moving forces, which can produce low-frequency loadings. The mechanism of generation of forces on the cylinder provides fundamental information necessary for the understanding of the oscillation of a yawed and inclined circular cylinder.
Investigation on 3-D characteristics of flow around a yawed and inclined circular cylinder
Yeo, DongHun (author) / Jones, Nicholas P. (author)
Journal of Wind Engineering and Industrial Aerodynamics ; 96 ; 1947-1960
2008-01-01
14 pages
Article (Journal)
Electronic Resource
English
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