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۱Numerical Simulation of the Turbulent Flow around an Oval–Sail
نویسنده(ها): ، ،
اطلاعات انتشار: Journal Of Applied Fluid Mechanics، نهم،شماره۴، ۲۰۱۶، سال
تعداد صفحات: ۱۵
This paper presents numerical study of an oval–sail, a bluff–body equipped with a grid all along the span. Suction based flow control is applied to this body that is developed for wind assisted ship propulsion. First,achoiceofnumericalturbulencemodelisdiscussedthroughresultsofanoval–sail without suction. Three turbulence models are applied: the Rij SSG, the Rij EBRSM and the v2f model. Then, computations are performed for the oval–sail fitted with suction grid. These last simulations are carried out with the low–Reynolds–number Rij EBRSM turbulence model. The influence of the grid geometry on the oval–sail aerodynamic performances is highlighted. All simulations are carriedoutforthesailsetatzeroincidence. TheReynoldsnumberbasedonthefreestreamvelocity and the profile chord is Re = 5105. Results are compared to available experimental data.
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