A review of impulse turbines for wave energy conversion |
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| Authors: | T Setoguchi S Santhakumar H Maeda M Takao K Kaneko |
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| Affiliation: | aDepartment of Mechanical Engineering, Saga University, Saga, Japan;bDepartment of Aerospace Engineering, I.I.T., Madras, India;cTorishima Pump Manufacturing Company Limited, Saga, Japan |
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| Abstract: | Oscillating Water Column based wave energy plants convert wave energy into low pressure pnuematic power in the form of bi-directional air flows. Air turbines which are capable of rotating uni-directionally in bi-directional air flow, otherwise also known as self-rectifying turbines, are used to extract mechanical shaft power which is further converted into electrical power by a generator. This paper reviews the state of the art in self-rectifying impulse air turbines. New results on optimum parameters for the fixed-guide-vane impulse turbine are also presented. Starting characteristics and conversion efficiencies of two types of impulse turbines are compared with the well known Wells turbine. |
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| Keywords: | Fluid machinery Impulse turbine Wells turbine Guide vane Ocean energy Wave energy conversion |
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