Vertical axial cross flow type of wind turbines are considered to have superior characters in comparison with the conventional propeller type of HAWT, i.e., operating as strong torque at starting and all direction of the wind without the yaw drive system which lead to the simple structure and low cost while the performance is inferior to that in power. In this paper, aerodynamic performance characteristics of the cross flow type of wind turbine were studied experimentally by using sub-scale model, especially considering the effect of guide vanes and its arrangement. Subsequently, two upper and lower front guide vanes were cleared to be effective in performance. The aerodynamics characteristics of the turbine with the conventional / two guide vanes for 16 and 30 rotors condition were discussed to specify the performance, correlated by tip speed ratio with the power and the torque coefficients.
垂直縦型貫流式風車に関する実験的な研究 : 新案内羽根の設置による性能向上
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