Numerical Study of the Flow and Dynamics around a Cross-Flow Turbine.
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概要
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Numerical simulations of two-dimensional flows around a cross-flow type wind turbine are investigated. The turbine studied in this paper has cylindrical shape with 12 small blades along its periphery. The governing equations are the incompressible Navier-Stokes equations. A rotating coordinate system, which rotates at the same speed of the turbine, is used in order to simplify the boundary conditions on the blades of the turbine. Additionally, a boundary fitted coordinate system is employed in order to express the shape of the blades precisely. The fractional step mathod is used for solving basic equations. The third order upwind scheme is employed for the approximation of non-linear terms. A cross-flow wind turbine equipped with a guide vane to enhance its performance is examined as well. The presence of the vane results in a power increase of about 1.5.
- 日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」の論文
日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」 | 論文
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