| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2021: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2019: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2018: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
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| Outline of Final Research Achievements |
Chondrules are the oldest material in the solar system, having formed 4.56 billion years ago. In this study, a new levitation heating system was developed to constrain the formation environment of chondrules through reproducible experiments. In this system, a gas levitation nozzle is introduced inside a tube furnace and further irradiated with a near-infrared laser to levitate and melt objects at temperatures exceeding 2000°C while maintaining a reductive atmosphere. Using this system, levitated melting experiments were conducted on various rocks and chondrule-simulating materials, and the system successfully reproduced the naturally occurring chondrule structure.
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