波力タービンによる圧縮空気生成システム
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概要
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The production system of compressed air in wave energy conversion, in which the self-rectified air turbine is installed and the principle of oscillating water column is utilized, is proposed and discussed. Actual sea conditions such as the variation of wave height are taken into account. Wells turbine is the most advantageous for the proposed system due to its simple structure, satisfactory efficiency and actual achievements in former projects. The screw compressor in positive-displacement-type fluid machinery is introduced here, because the required performance of the compressor in one unit is more than 6 ata in pressure increase and less than 200 kW in power, and because the pressure should be constant in the air tank submerged at the bottom of the sea irrespective of the variance in wave energy power. As for the connection between the turbine and the compressor, the CVT (continuously variable transmission) can provide us with the most efficient system among the transmissions discussed here such as the fluid torque converter, the gear system and the direct connection between the air turbine and compressor in the turbomachinery.
- 1993-05-25
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