書誌事項
- タイトル別名
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- Heat Propagation Analysis of an HTSC Bulk Magnet Cooled along the ab-plane and Magnetized by Pulse Field-Comparison with a c-axis-cooled System-
- パルス着磁によるab面方向冷却型超伝導バルク磁石の伝熱解析 — c軸方向冷却との比較 —
- パルスチャクジ ニ ヨル abメン ホウコウ レイキャクガタ チョウデンドウ バルク ジシャク ノ デンネツ カイセキ cジク ホウコウ レイキャク ト ノ ヒカク
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The time evolutions and three-dimensional temperature profiles in a cryocooled superconducting bulk disk have been investigated using a finite element method (FEM) after applying pulse field magnetization (PFM). The bulk is either cooled down along the ab-plane through the brass support component and magnetized using a split-type coil, or cooled along the c-axis and magnetized using a solenoid coil. The temperature rise ΔT due to the magnetic flux intrusion in the case of the “ab-plane cooled type” is experimentally small and the trapped field BTP is enhanced as compared to the “c-axis cooled type”. The calculated temperatures T'(t) can effectively reproduce the measured T(t) with an appropriate assumption of the heating area and total generated heat Q. The heating area is wider and the Q value is relatively smaller in the “ab-plane cooled type” as compared to the “c-axis cooled type”. These analytical results suggest that, in the “ab-plane cooled type”, cooling along the high thermal-conductive direction in the bulk magnet and the increase in total heat capacity due to close contact of the bulk magnet and the brass support component are effective for reducing ΔT and enhancing BTP.
収録刊行物
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- 低温工学
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低温工学 41 (9), 390-396, 2006
公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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詳細情報 詳細情報について
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- CRID
- 1390001204614961280
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- NII論文ID
- 10017955243
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- NII書誌ID
- AN00333419
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- COI
- 1:CAS:528:DC%2BD28Xht1SgsL3J
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- ISSN
- 18800408
- 03892441
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- NDL書誌ID
- 8526404
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
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- 使用不可