1735 波力発電用ウェルズタービン特性の理論的考察(S19-7 流体機械に関連した流動現象とその解析・計測(7)流体機械に関連した諸問題,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

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The turbine used for a wave-power-generating system is driven by the oscillating airflow produced by the water wave motion. The Wells turbine has the simple vane-less structure using no-twist and symmetrical blades, which drives its unidirectiona Fig.2 Conformal mapping from a single in the oscillating airflow. In this paper, the impo circular cylinder onto a cascade of airfoils derived by the potential theory of cascade. The deflection angle in the absolute field does not depend on any angle of attack, but is always constant. The deflection angle depends only on the arrangement of the cascade. Moreover, the pressure drop coefficient is proportional to the rotational speed at the same axial velocity and proportional to the axial velocity at the same rotational speed.
社団法人日本機械学会の論文
2008-08-02