• 한국자기학회지
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• 제13권2호
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• pp.70-75
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• 2003

비선형 자기이방성 물질을 이용하여 3차원 유한요소법으로 강자성 배관 벽에 형성된 결함 근처에서 누설되는 자속에 미치는 부피인장응력(bulk tensile stress) 및 수직 응력의 영향을 계산할 수 있다. 배관의 외$.$내부 벽의 racetrack형 결함(racetrack pit) 깊이와 계산된 부피응력 (bulk stress)이 축(x) 방향, 원주(y) 방향 및 방사상(z) 방향의 누설자속에 미치는 영향을 계산하였다. 그 결과 배관의 축 및 방사상 방향의 MFL 신호는 배관 외$.$내부 면의 racetrack 결함깊이와 부피인장응력에 의해 영향을 받으며, 결함의 깊이가 깊어질수록 부피인장응력이 커질수록 MFL 신호는 증가하였다. 그러나 원주 방향의 MFL 신호는 결함깊이와 부피인장응력에 거의 영향을 받지 않았다.

• 한국초전도저온공학회:학술대회논문집
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• 한국초전도저온공학회 2001년도 학술대회 논문집
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• pp.104-107
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• 2001

Racetrack coils are used in many areas of superconductivity applications such as generators, motors, maglev, wiggler magnets and so on. Especially now a days a few advanced nations including U.S., Japan are developing high temperature superconducting(HTS) wire which has better performance than low temperature superconducting(LTS) wire. Most of HTS wires such as BSCCO-2223 are manufactured with PIT(Power In Tube) process, so the shape of the wire looks like tape different from LTS wire with round cross-sectional appearance like normal conductors. Generally HTS racetrack coils are composed of a few partial double-pancake colis and then the double-pancakes are jointed each other according to their applications.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2000년도 하계학술대회 논문집 B
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• pp.775-777
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• 2000

Superconducting racetrack coils are used in areas of generators, motors, wiggler magnets and so on. Especially now a days many advanced nations including U.S., Japan are developing high temperature superconducting(HTS) wire which has better performance than low temperature superconducting(LTS) wire. Most of HTS wires such as Bi-2223 are manufactured with PIT(Power In Tube Method) process, so the shape of the wire looks like tape different from LTS wire of round shape as normal conductors. Generally HTS racetrack coils are composed of a few partial double-pancake colis and then the double-pancakes are jointed each other according to their applications.