Effect of end plates on the performence of a wells turbine for wave energy conversion |
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| Authors: | Manabu Takao Dr. Eng. Toshiaki Setoguchi Yoichi Kinoue Kenji Kaneko |
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| Affiliation: | (1) Department of Mechanical Engineering, Matsue National College of Technology, 14-4 Nishiikuma-cho, Matsue-shi, Shimane 690-8518, Japan;(2) Institute of Ocean Energy, Saga University, 1 Honjo-machi, Saga-shi, Saga 840-8502, Japan;(3) Department of Mechanical Engineering, Saga University, 1 Honjo-machi, Saga-shi, Saga 840-8502, Japan |
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| Abstract: | ![]()
In order to improve the performance of the Wells turbine for wave energy conversion,the effect of end plates on the turbine characteristics has been investigated experimentally by model testing under steady flow conditions. The end plate attached to the tip of the original rotor blade is slightly larger than the original blade profile.The characteristics of the Wells turbine with end plates have been compared with those of the original Wells turbine, i.e.,the turbine without end plate.As a result, it has been concluded that the characteristics of the Wells turbine with end plates are superior to those of the original Wells turbine and the characteristics are dependent on the size and position of end plate. Furthermore, the effect of annular plate on the turbine performance,which encircles the turbine and is attached to the tip,was investigated as an additional experiment.However,its device was not effec- tive in improving the turbine characteristics. |
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| Keywords: | fluid machinery natural energy Wells turbine end plate wave energy conversion ocean energy |
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