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Research Output 1993 2019

  • 933 Citations
  • 15 h-Index
  • 86 Article
  • 12 Conference article
  • 3 Conference contribution
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Conference article
2019

Active magnetic bearing for a liquid nitrogen pump

Kamioka, Y., Kajikawa, K., Hirai, H., Ozaki, S., Nakamura, T., Imagawa, S. & Ishiyama, A., Jun 3 2019, In : IOP Conference Series: Materials Science and Engineering. 502, 1, 012153.

Research output: Contribution to journalConference article

Open Access
Bearings (structural)
Magnetic bearings
Liquid nitrogen
Pumps
Submersible pumps
2017
1 Citation (Scopus)

Numerical reproduction of screening-current-induced fields in HTS tape windings using finite element method

Okabe, Y., Honda, T. & Kajikawa, K., Jul 26 2017, In : Journal of Physics: Conference Series. 871, 1, 012047.

Research output: Contribution to journalConference article

tapes
finite element method
screening
conductors
vector currents
2012
3 Citations (Scopus)

Proposal of a new type of superconducting level sensor for liquid hydrogen with MgB2 wires

Kajikawa, K., Inoue, T., Watanabe, K., Kanazawa, M., Yamada, Y., Kobayashi, H., Taguchi, H. & Aoki, I., Jan 1 2012, In : Physics Procedia. 36, p. 1396-1401 6 p.

Research output: Contribution to journalConference article

liquid hydrogen
proposals
wire
sensors
heat balance
2005
4 Citations (Scopus)

Magnetization loss properties of thin superconducting tapes with field-dependent critical current

Kajikawa, K., Hayashi, T., Nakamura, D. & Funaki, K., Oct 7 2005, In : Physica C: Superconductivity and its Applications. 426-431, II, p. 1295-1301 7 p.

Research output: Contribution to journalConference article

Superconducting tapes
Critical currents
Tapes
tapes
Magnetization
4 Citations (Scopus)

Numerical calculations of AC losses in parallel tape conductors with fixed share of transport current in external magnetic field

Hayashi, T., Kajikawa, K., Iwakuma, M. & Funaki, K., Oct 7 2005, In : Physica C: Superconductivity and its applications. 426-431, II, p. 1328-1332 5 p.

Research output: Contribution to journalConference article

strands
Tapes
tapes
alternating current
conductors
2003
10 Citations (Scopus)

Ac loss properties of a 4 kJ conduction-cooled pulse coil wound with a Bi2223 6-strand parallel conductor for SMES

Iwakuma, M., Miyazaki, H., Fukuda, Y., Kajikawa, K., Funaki, K., Tsutsumi, K., Hayashi, H., Kimura, H., Tomioka, A., Bohno, T. & Yagi, Y., Jun 1 2003, In : IEEE Transactions on Applied Superconductivity. 13, 2 II, p. 1882-1885 4 p.

Research output: Contribution to journalConference article

Helium
strands
coils
conductors
Gases
4 Citations (Scopus)

Influence of vacuum region on AC losses in superconducting wires with 2D FEM formulated by self-magnetic field

Kajikawa, K., Hayashi, T., Yoshida, R., Iwakuma, M. & Funaki, K., Oct 1 2003, In : Physica C: Superconductivity and its applications. 392-396, PART 2, p. 1113-1117 5 p.

Research output: Contribution to journalConference article

Superconducting wire
alternating current
wire
Vacuum
Magnetic fields
5 Citations (Scopus)

Magnetic field angular dependence of AC losses in Bi-2223 superconducting wires

Iwakuma, M., Fukuda, Y., Fukui, M., Kajikawa, K. & Funaki, K., Oct 1 2003, In : Physica C: Superconductivity and its Applications. 392-396, PART 2, p. 1096-1101 6 p.

Research output: Contribution to journalConference article

Superconducting wire
tapes
Superconducting tapes
alternating current
wire
2002
3 Citations (Scopus)

Feasibility study of oxide superconducting transformers for Shinkansen rolling stock

Iwakuma, M., Matsumura, K., Miyazaki, H., Kajikawa, K., Funaki, K., Hata, H., Fujimoto, H. & Kamijo, H., Mar 1 2002, In : IEEE Transactions on Applied Superconductivity. 12, 1, p. 828-832 5 p.

Research output: Contribution to journalConference article

Superconducting wire
transformers
Oxides
oxides
Critical currents
2001
64 Citations (Scopus)

Ac loss properties of a 1MVA single-phase HTS power transformer

Iwakuma, M., Funaki, K., Kajikawa, K., Tanaka, H., Bohno, T., Tomioka, A., Yamada, H., Nose, S., Konno, M., Yagi, Y., Maruyama, H., Ogata, T., Yoshida, S., Ohashi, K., Tsutsumi, K. & Honda, K., Mar 1 2001, In : IEEE Transactions on Applied Superconductivity. 11, 1 II, p. 1482-1485 4 p.

Research output: Contribution to journalConference article

Power transformers
transformers
Liquid nitrogen
liquid nitrogen
Thermal load
73 Citations (Scopus)

Development of a 22kV/6.9kV single-phase model for a 3MVA HTS power transformer

Funaki, K., Iwakuma, M., Kajikawa, K., Hara, M., Suehiro, J., Ito, T., Takata, Y., Bohno, T., Nose, S. I., Konno, M., Yagi, Y., Maruyama, H., Ogata, T., Yoshida, S., Ohashi, K., Kimura, H. & Tsutsumi, K., Mar 1 2001, In : IEEE Transactions on Applied Superconductivity. 11, 1 II, p. 1578-1581 4 p.

Research output: Contribution to journalConference article

Power transformers
transformers
Liquid nitrogen
Tapes
field tests
2000
17 Citations (Scopus)

Current distribution in superconducting parallel conductors wound into pancake coils

Iwakuma, M., Nishimura, K., Kajikawa, K., Funaki, K., Hayashi, H., Tsutsumi, K., Tomioka, A., Konoo, M. & Nose, S., Jan 1 2000, In : IEEE Transactions on Applied Superconductivity. 10, 1, p. 861-864 4 p.

Research output: Contribution to journalConference article

current distribution
strands
coils
conductors
Fabrication