A Twin Unidirectional Impulse Turbine for Wave Energy Conversion - Open Journal of Fluid Dynamics

OJFD > Vol.2 No.4, December 2012

A Twin Unidirectional Impulse Turbine for Wave Energy Conversion ()

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Download as PDF (Size: 775KB) PP. 343-347

DOI: 10.4236/ojfd.2012.24A043 6,293 Downloads 10,503 Views Citations

Author(s)

Shinya Okuhara, Manabu Takao, Akiyasu Takami, Toshiaki Setoguchi

Affiliation(s)

Department of Mechanical Engineering, Matsue College of Technology, Matsue, Japan.
Institute of Ocean Energy, Saga University, Saga, Japan.
Techno Center, Matsue College of Technology, Matsue, Japan.

ABSTRACT

A twin unidirectional impulse turbine has been proposed in order to enhance the performance of wave energy plant. This turbine system uses two unidirectional impulse turbines and their flow direction is different each other. However, the effect of guide vane solidity on the turbine characteristics has not been clarified to date. The performances of a uni- directional impulse turbine under steady flow conditions were investigated experimentally by using a wind tunnel with large piston/cylinder in this study. Then, mean efficiency of the twin impulse turbine in bidirectional airflow has been estimated by a quasi-steady analysis using experimental results in order to investigate the effect of guide vane solidity on the performance.

KEYWORDS

Fluid Machinery; Impulse Turbine; Wave Energy Conversion; Ocean Energy

Share and Cite:

Okuhara, S. , Takao, M. , Takami, A. and Setoguchi, T. (2012) A Twin Unidirectional Impulse Turbine for Wave Energy Conversion. Open Journal of Fluid Dynamics, 2, 343-347. doi: 10.4236/ojfd.2012.24A043.

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