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Profile of the FIN-MP airfoil was used as the basic section of vertical axis wind rotor blade. Emphasis was placed on the aerodynamic performance of the wind rotors with different length? of blade chord, while the blade height, rotor diameter and blade's spiral angle are respectively uniform for the studied rotors. Three-dimensional and unsteady simulation was carried out for the flow field around...
Oscillating water column wave energy converter is widely used in the world. The impulse turbine is recently employed for the bi-directional mechanical air power into electricity power. The 2D and 3D numerical model is established in the present paper to investigation the operating performance. The proper mesh style, turbulence model and numerical solutions are employed to study the velocity and air...
Three-dimensional unsteady Reynolds averaged incompressible Navier-Stokes equations are used to simulate the aerodynamic performance of a horizontal axis wind turbine. The numerical method that adopted in this paper is proved to be effective to predict horizontal axis wind turbine aerodynamic characteristics by contrasting the numerical results to the wind turbine experimental data. And the curve...
In this study, a centrifugal cooling fan on multiple unit train (MU) was designed based on one-dimensional calculation and three-dimensional numerical simulation. Three-dimensional model was presented based on the one-dimensional calculation. Numerical simulation and thorough analysis were carried out on the blower with software NUMECA. Varieties of projects were considered, and the performance experiment...
To achieve influence of underwater windmill's flow parameters and structure parameters-related changes with the hydrodynamic characteristics, an underwater windmill's additional contraction device is devised. According to the orthogonal experimental design, flow velocity, shrinking angle, locating range and outlet diameter are selected as four factors to carry out an L9 (34) orthogonal experiment...
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