The Proceedings of the Fluids engineering conference
Online ISSN : 2424-2896
2016
Session ID : 0607
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Experimental Study on Efficiency of Impulse Turbine for Fixed OWC Type Wave Energy Conversion
Tengen MURAKAMIYasutaka IMAIShuichi NAGATAManabu TAKAOToshiaki SETOGUCHI
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Abstract

An oscillating water column (OWC) type wave energy converter is composed of a partly submerged wall, an air chamber, an air turbine and a generator and is considered to be safe even under the storm condition. Besides, an impulse turbine as the secondary conversion device in the OWC unit is expected to achieve the high efficiency. In the previous research, the authors investigated the effects of the air chamber length on the primary and secondary conversion efficiencies experimentally. Continuously, in this paper, the 2-D wave tank tests in regular waves for the performance evaluation of the fixed OWC type wave energy converter with the impulse turbine were conducted, and the effects of the impulse rotor inlet/outlet angle, the guide vane's number and the guide vane's setting angle are shown experimentally.

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© 2016 The Japan Society of Mechanical Engineers
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