ヘリカル型海流MHD発電の基礎研究

概要

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A new MHD generator based on electromotive force using seawater, the helical-type seawater MHD generator, is designed, constructed and tested. The constructed generator contains a helical insulation wall made of polyvinyl chloride 140 mm long and 100 mm in diameter, anode rod made of SUS316 1350 mm long and 10 mm in diameter, cathode pipe made of SUS316 260 mm long and 100 mm in diameter, and a 7 T solenoid-type superconducting magnet 300 mm long and 150 mm cold bore. In the experiment, electromotive force and generator output are measured in terms of average velocity (0-5.6 m/s) and magnetic field (0-7 T) using artificial seawater (3.4 % NaCl aqueous solution). As results of the experiment, it is found that the electromotive force increases proportionally to average velocity and magnetic field, and that the generator output increases quadratically to average velocity and magnetic field over certain points. These results are discussed in comparison with the results of the theory.
神戸大学の論文
2004-07-31