| Budget Amount *help |
¥16,770,000 (Direct Cost: ¥12,900,000、Indirect Cost: ¥3,870,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥12,090,000 (Direct Cost: ¥9,300,000、Indirect Cost: ¥2,790,000)
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| Outline of Final Research Achievements |
Magnetic refrigerator for hydrogen liquefaction was developed with active magnetic regenerator cycle that is expected to improve thermal efficiency compare with gas expansion. Reciprocating AMR bed could produce large temperature span around hydrogen liquefaction temperature and liquefaction was confirmed using liquid hydrogen level meter for the first time. In order to develop magnetic material for practical use, we studied rare-earth intermettalic compounds. Magnetocarolic effect, thermal conductivity and other properties were measured and evaluated as magnetic refrigerants. Magnetic refrigeration cycles were analyzed with new developed simulation code which takes void gas, thermal conductivity loss and so on.
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