低質エネルギ-回収のための熱磁気エンジンの開発(<特集>未利用廃熱の高度利用技術の最新動向)

概要

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A thermomagnetic engine is a novel type of engine capable of converting low-quality energy near 100 ℃ or lower, previously drained off wastefully, into useful energy over the long life. The thermomagnetic engine consists of a rotor made of magnetic shunt alloy and a permanent magnet. Through the fundamental studies on a rapid change in the magnetism magnitude with the temperature and suppression of the eddy current loss, the high power approach has been succeeded in obtaining a real output of over 100W by using the rotor as laminating 83 sheets of discs with a diameter of 400mm and thickness of 0.5mm. Efficiency of thermomagnetic engine is considered and high power approach by using high magnetic field is discussed, and the next stage of applications for effective thermal radiation to the environment is briefly described.
一般社団法人日本エネルギー学会の論文
2009-11-20