| 摘要 |
A reaction turbine system for the generation of hydroelectricity is disclose d. It consists of a Darrieus type turbine with a horizontal axis of rotation. The blades may b e straight or helical, and are held equidistant from the central rotating shaft by blade support member s. The blades are oriented so that a blade at its rotational apex moves directly opposite to t he direction of water flow. The turbine is elevated such that the top portion, where blades travel directly against the direction of water flow, is in the air and above the water level. This design greatly reduces stresses on the system and increases energy output relative to a Darrieus turbine fully immersed in water flow. This design also enables the turbine to self-start.
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