Durability Evaluation of Superconducting Magnets

Inoue, Akihiko; Ogata, Masafumi; Nakauchi, Masahiko; Asahara, Tetsuo; Herai, Toshiki; Nishikawa, Yoichi

doi:10.1088/1742-6596/43/1/239

Cited by 2 publications

(5 citation statements)

References 1 publication

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“…At that time mechanical vibration method under LN 2 temperature excluding magnetic excitation was adopted to reproduce resonance mode of the on-board superconducting magnet because of its effectiveness (see Fig.2.). Thus the durability of the on-board superconducting magnets was proved for the commercial use (4) . Fig.2 The durability test arrangement of the on-board superconducting magnet (on the left side) using three mechanical accelerators (on the right side)…”

Section: Fig1 Arrangement Of the Superconducting Coils And Ground Comentioning

confidence: 99%

“…Therefore the on-board superconducting magnets tend to roll or be especially twisted due to the levitation ground coils. Those two resonance modes were individually reproduced during the durability test of the on-board superconducting magnet (4) . If those two resonance modes were simultaneously reproduced, the durability test period of the specimen would be reduced by half.…”

Section: Fig1 Arrangement Of the Superconducting Coils And Ground Comentioning

confidence: 99%

“…Since it is effective to accelerate an antinode of a specimen in order to reproduce its resonance mode, the accelerating points were individually selected and used to reproduce those two resonance modes during the durability test of the on-board superconducting magnet (4) (see Fig.4. ).…”

Section: Accelerating Points Of the Specimenmentioning

confidence: 99%

See 2 more Smart Citations

Mechanical Vibration Experiment of Superconducting Magnet

Waki

Seino

Nagashima

2010

JMTL

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The resonance modes of the on-board superconducting magnet for the JR Maglev system actually obtained at the durability test were two (propulsion and levitation modes). To reduce the durability test period of the specimen by half, it was investigated in this study how those two resonance modes were simultaneously reproduced. It appears that those two resonance modes are simultaneously reproducible if the three accelerating points to reproduce its levitation mode are used, and if proper beams to shift the resonance frequencies of its propulsion and levitation modes are added.

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Section: Fig1 Arrangement Of the Superconducting Coils And Ground Comentioning

confidence: 99%

Section: Fig1 Arrangement Of the Superconducting Coils And Ground Comentioning

confidence: 99%

See 1 more Smart Citation

Mechanical Vibration Experiment of Superconducting Magnet

Waki

Seino

Nagashima

2010

JMTL

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show abstract

“…2.). Thus the durability of the on-board superconducting magnets was proved for the commercial use [4]. Fig.…”

Section: Introductionmentioning

confidence: 99%

“…Those two resonance modes were individually reproduced during the durability test of the on-board superconducting magnet [4]. If those two resonance modes were simultaneously reproduced, the durability test period of the specimen would be reduced by half.…”

Section: Introductionmentioning

confidence: 99%

360679 MECHANICAL VIBRATION EXPERIMENT OF SUPERCONDUCTING MAGNET(MAGLEV,Technical Session)

Waki

Seino

Nagashima

2009

STECH

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The resonance modes of the on-board superconducting magnet for the JR Maglev system actually obtained at the durability test were two in number (propulsion and levitation modes). To reduce the durability test period of the specimen by half, it was investigated in this study how those two resonance modes were simultaneously reproduced. It appears that those two resonance modes are simultaneously reproducible if the three accelerating points to reproduce its levitation mode are used, and if proper beams to shift the resonance frequencies of its propulsion and levitation modes are added.

show abstract

Durability Evaluation of Superconducting Magnets

Cited by 2 publications

References 1 publication

Mechanical Vibration Experiment of Superconducting Magnet

Mechanical Vibration Experiment of Superconducting Magnet

360679 MECHANICAL VIBRATION EXPERIMENT OF SUPERCONDUCTING MAGNET(MAGLEV,Technical Session)

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