岡 徹雄

  • 1865 引用
  • 22 h指数
1990 …2019
Pureに変更を加えた場合、すぐここに表示されます。

研究成果 1990 2019

フィルター
Article
2019
trapped magnetic fields
Refrigerators
refrigerators
Magnetic flux
Magnets
1 引用 (Scopus)
公開
Grain refinement
Rare earth elements
Infiltration
Superconducting materials
Tuning

Study on Magnetic Flux Dissipation and Field-Trapping Performance of HTS Bulk-Shaped Magnesium Diboride in Pulse-Field Magnetizing Processes

Oka, T., Takeda, A., Oki, H., Ogawa, J., Fukui, S., Scheiter, J., Häßler, W., Yokoyama, K., Yamanaka, K., Dadiel, L., Miryala, M., Sakai, N., Murakami, M. & Noudem, J., 2019 8 1, : : IEEE Transactions on Applied Superconductivity. 29, 5, 8678817.

研究成果: Article

Magnetic flux
Magnesium
magnetic flux
magnesium
dissipation
2018
1 引用 (Scopus)

AC loss distribution in two-layer HTS cable

Ogawa, J., Fukui, S., Oka, T., Ogawa, T. & Sugai, M., 2018 4 1, : : IEEE Transactions on Applied Superconductivity. 28, 3, 5900104.

研究成果: Article

Superconducting cables
cables
alternating current
Magnetic fields
Temperature
1 引用 (Scopus)
Refrigerators
refrigerators
Magnets
Magnetization
magnets
1 引用 (Scopus)
trapped magnetic fields
Magnets
magnetic flux
magnets
Magnetic fields

Feasible Applications of Bulk HTS Magnets and Magnetic Field-Capturing Characteristics in Their Activation Processes

Oka, T., Takeda, A., Shimizu, K., Higa, K., Tsunoda, S., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Nakamura, T., 2018 8 28, (Accepted/In press) : : IEEE Transactions on Applied Superconductivity.

研究成果: Article

Magnets
magnets
Chemical activation
activation
Magnetic fields

Magnetic Flux Invasion and Field-Capturing in Pulsed-Field Magnetization for Layered MgB<formula><tex>$_2$</tex></formula> Bulk Magnets

Oka, T., Takeda, A., Sasaki, S., Ogawa, J., Fukui, S., Sato, T., Haessler, W. & Yokoyama, K., 2018 1 11, (Accepted/In press) : : IEEE Transactions on Applied Superconductivity.

研究成果: Article

Magnetic flux
Magnets
magnetic flux
Magnetization
magnets
1 引用 (Scopus)

Magnetic Flux Invasion and Field-Capturing in Pulsed-Field Magnetization for Layered MgB2 Bulk Magnets

Oka, T., Takeda, A., Sasaki, S., Ogawa, J., Fukui, S., Sato, T., Scheiter, J., Häßler, W., Katsuki, J., Miura, A. & Yokoyama, K., 2018 6 1, : : IEEE Transactions on Applied Superconductivity. 28, 4, 8255574.

研究成果: Article

Magnetic flux
Magnets
magnetic flux
Magnetization
magnets
Refrigerators
refrigerators
Magnets
magnets
Cooling
1 引用 (Scopus)

Modeling of Magnetization Loss in HTS Tape Exposed to All Magnetic Field Directions

Ogawa, J., Fukui, S., Oka, T., Panpan, Y. & Kanamori, K., 2018 4 1, : : IEEE Transactions on Applied Superconductivity. 28, 3, 8239653.

研究成果: Article

Tapes
tapes
Magnetization
Magnetic fields
magnetization
2017
4 引用 (Scopus)

Experimental and theoretical study of AC losses in variable asymmetrical magnetic environments

Ranecky, S. T., Watanabe, H., Ogawa, J., Oka, T., Gölden, D., Alff, L. & Genenko, Y. A., 2017 7 6, : : Superconductor Science and Technology. 30, 8, 085005.

研究成果: Article

Tapes
tapes
alternating current
Shielding
shielding
2 引用 (Scopus)

Experimental investigation of AC loss characteristics in HTS tape with rotating magnetic field

Ogawa, J., Fukui, S., Oka, T., Sano, Y., Ogawa, M. & Ranecky, S. T., 2017 6 1, : : IEEE Transactions on Applied Superconductivity. 27, 4, 7812682.

研究成果: Article

Superconducting tapes
tapes
alternating current
Magnetic fields
magnetic fields
2 引用 (Scopus)

Pulse-Field Magnetization for Disc-Shaped MgB2 Bulk Magnets

Miyazaki, T., Fukui, S., Ogawa, J., Sato, T., Oka, T., Scheiter, J., Hasler, W., Kulawansha, E., Yuanding, Z. & Yokoyama, K., 2017 6 1, : : IEEE Transactions on Applied Superconductivity. 27, 4, 7782353.

研究成果: Article

Magnets
Magnetization
magnets
magnetization
heat generation
2016
7 引用 (Scopus)

Development of a Desktop-Type Superconducting Bulk Magnet

Yokoyama, K., Kulawansha, E., Yuanding, Z. & Oka, T., 2016 6 1, : : IEEE Transactions on Applied Superconductivity. 26, 4, 7386635.

研究成果: Article

Refrigerators
refrigerators
Magnets
Magnetization
magnets
7 引用 (Scopus)

Experimental Investigation of AC Loss Characteristics of Stacked HTS Tapes in an Iron Core

Ogawa, J., Fukui, S., Oka, T., Sakurai, T., Sano, Y., Tada, H. & Yoshii, Y., 2016 6 1, : : IEEE Transactions on Applied Superconductivity. 26, 4, 7435291.

研究成果: Article

Tapes
tapes
alternating current
Iron
iron
3 引用 (Scopus)
Magnets
magnets
sectors
Magnetic flux
magnetic flux

Magnetic Field Direction Dependence of AC Losses in Bi2223/Ag Tape

Ogawa, J., Fukui, S., Oka, T., Shidara, N., Iwashita, R. & Ohya, M., 2016 6 1, : : IEEE Transactions on Applied Superconductivity. 26, 4, 7377072.

研究成果: Article

Tapes
tapes
alternating current
Magnetic fields
magnetic fields
8 引用 (Scopus)

Magnetic Separation for Recovering Ni Compounds from Plating Waste with Use of HTS Bulk Magnets

Oka, T., Takayanagi, Y., Machida, S., Ichiju, K., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Tsujimura, M. & Yokoyama, K., 2016 6 1, : : IEEE Transactions on Applied Superconductivity. 26, 4, 7383257.

研究成果: Article

Magnetic separation
plating
Plating
Magnets
Precipitates
3 引用 (Scopus)

Selective Magnetic Field Invasion into HTS Bulk Magnets in Pulse Field Magnetizing Processes

Oka, T., Hara, K., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K., Murakami, A. & Langer, M., 2016 4 1, : : IEEE Transactions on Applied Superconductivity. 26, 3, 7405303.

研究成果: Article

Magnets
Magnetic flux
magnets
sectors
magnetic flux
2015

A Numerical Proposal of an After Heating Method for Pulse Field Magnetization for HTS Bulk Magnets

Ogawa, J., Oka, T., Fukui, S., Sato, T. & Watanabe, N., 2015 6 1, : : IEEE Transactions on Applied Superconductivity. 25, 3, 6945334.

研究成果: Article

Magnets
proposals
Magnetization
magnets
Magnetic fields
2 引用 (Scopus)

Improvement of the trapped field performance of a holed superconducting bulk magnet

Yokoyama, K., Igarashi, R., Togasaki, R. & Oka, T., 2015 6 1, : : IEEE Transactions on Applied Superconductivity. 25, 3, 7006763.

研究成果: Article

Magnets
Magnetization
magnets
Magnetic flux
Magnetic fields
5 引用 (Scopus)

Magnetization behavior of RE123 bulk magnets bearing twin seed-crystals in pulsed field magnetization processes

Oka, T., Miyazaki, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Langer, M., 2015 12 17, : : Superconductor Science and Technology. 29, 2, 024003.

研究成果: Article

Bearings (structural)
Magnetic flux
Magnets
magnetic flux
Seed
3 引用 (Scopus)

Preferential magnetic flux invasion and heat generation owing to macrostructure in HTS bulk magnets in pulse field magnetization processes

Oka, T., Ota, H., Shimoda, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K., Murakami, A. & Langer, M., 2015 6 1, : : IEEE Transactions on Applied Superconductivity. 25, 3, 6980106.

研究成果: Article

heat generation
Heat generation
Magnetic flux
Magnets
magnetic flux
2 引用 (Scopus)

Pulsed field magnetization characteristics of a holed superconducting bulk magnet

Yokoyama, K., Igarashi, R., Togasaki, R. & Oka, T., 2015 6 25, : : Physica C: Superconductivity and its Applications. 518, p. 117-121 5 p.

研究成果: Article

Magnets
Magnetization
magnets
magnetization
Magnetic fields
2014
11 引用 (Scopus)

Collection of Ni-bearing material from electroless plating waste by magnetic separation with HTS bulk magnet

Oka, T., Fukazawa, H., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Tsujimura, M. & Yokoyama, K., 2014 1 15, : : Physica C: Superconductivity and its Applications. 496, C, p. 58-62 5 p.

研究成果: Article

Bearings (structural)
Magnetic separation
Electroless plating
plating
Sulfates
3 引用 (Scopus)

Influence of the arrangement of HTS tapes inserted in an iron core on AC loss characteristics

Ogawa, J., Fukui, S., Oka, T., Sato, T., Fushimi, A. & Shoda, T., 2014 1 1, : : IEEE Transactions on Applied Superconductivity. 24, 3, 6595123.

研究成果: Article

High temperature superconductors
high temperature superconductors
Tapes
tapes
alternating current

Magnetic separation technique using high temperature superconducting bulk magnets and application to plating liquid waste treatment

Oka, T., Fukazawa, H., Yoshizawa, N., Takayanagi, Y., Ogawa, J., Fukui, S., Sato, T., Ooizumi, M., Tsujimura, M. & Yokoyama, K., 2014 1 1, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 61, SUPLL.1

研究成果: Article

Magnetic separation
Waste treatment
Nickel
Plating
Magnets
3 引用 (Scopus)

Numerical study of the influence of material properties on pulsed-field magnetization for hts bulk magnets

Ogawa, J., Oka, T., Fukui, S., Sato, T., Watanabe, N. & Basir, Z. M., 2014 1 1, : : IEEE Transactions on Applied Superconductivity. 24, 3, 6600815.

研究成果: Article

Magnets
Magnetization
Materials properties
magnets
magnetization
18 引用 (Scopus)

Strong magnetic field generator containing HTS bulk magnets and compact refrigerators

Oka, T., Hirayama, E., Kanai, T., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Nakamura, T., 2014 1 1, : : IEEE Transactions on Applied Superconductivity. 24, 3, 6626624.

研究成果: Article

Refrigerators
refrigerators
Magnetic flux
Magnets
magnets
2013
2 引用 (Scopus)
magnetic bearings
Magnetic bearings
spinners
central processing units
Masks
3 引用 (Scopus)

Evaluation of pulsed-field magnetization of a bulk superconductor with small holes

Yokoyama, K., Oka, T., Kondo, N. & Hosaka, S., 2013 2 11, : : IEEE Transactions on Applied Superconductivity. 23, 3, 6403884.

研究成果: Article

Superconducting materials
Magnetization
magnetization
evaluation
Magnetic flux
5 引用 (Scopus)

Flux-invading behaviors and temperature changes in Dy123 bulk magnet in iterative pulse field magnetization process

Oka, T., Ishiduka, D., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K., Murakami, A. & Stopfel, H., 2013 5 6, : : Physica C: Superconductivity and its Applications. 494, p. 46-49 4 p.

研究成果: Article

Magnetic flux
Magnets
Magnetization
magnets
Fluxes

Learn-by-doing engineering education programs driven by the engineers of private companies and societies

Oka, T., Harada, S., Tanabe, Y., Narumi, T., Kaneko, F., Sugawara, A., Ishii, N., Nishimura, S., Maruyama, T., Sengoku, M., Ohkawa, H. & Tsubokawa, N., 2013 5 10, : : IEEJ Transactions on Fundamentals and Materials. 133, 4

研究成果: Article

Engineering education
Engineers
Industry
Students
5 引用 (Scopus)

Magnetic and thermal properties of HTS bulk magnet in the pulsed-field magnetizing process

Oka, T., Ishiduka, D., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Murakami, A., 2013 4 1, : : Journal of Superconductivity and Novel Magnetism. 26, 4, p. 1301-1306 6 p.

研究成果: Article

Magnets
Magnetic properties
magnets
Thermodynamic properties
thermodynamic properties
3 引用 (Scopus)

Magnetic precipitate separation for Ni plating waste liquid using HTS bulk magnets

Oka, T., Kimura, T., Mimura, D., Fukazawa, H., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Yokoyama, K., Tsujimura, M. & Terasawa, T., 2013 1 15, : : Physica C: Superconductivity and its Applications. 484, p. 325-328 4 p.

研究成果: Article

liquid wastes
Magnetic separation
Bearings (structural)
plating
Plating
4 引用 (Scopus)

Measurement and numerical analysis of dependence of ac loss in polygonal conductor assembled by YBCO tapes on gap length between neighboring tapes

Fukui, S., Hatakeyama, S., Nanayama, J., Maruko, A., Ogawa, J., Sato, T., Oka, T. & Tsukamoto, O., 2013 2 12, : : IEEE Transactions on Applied Superconductivity. 23, 3, 6407801.

研究成果: Article

Tapes
tapes
numerical analysis
Numerical analysis
conductors
5 引用 (Scopus)

Pulsed-field magnetization of a bulk superconductor with small holes

Yokoyama, K., Oka, T., Kondo, N. & Hosaka, S., 2013 1 15, : : Physica C: Superconductivity and its Applications. 484, p. 343-347 5 p.

研究成果: Article

Magnetic flux
Superconducting materials
magnetic flux
Magnetization
Fluxes
2012
7 引用 (Scopus)

Experimental investigation of loss characteristics with AC and DC offset transport current in HTS double pancake coil

Ogawa, J., Fukui, S., Oka, T., Sato, T., Shibayama, M., Egawa, M. & Sato, A., 2012 6 25, : : IEEE Transactions on Applied Superconductivity. 22, 3, 4705004.

研究成果: Article

alternating current
coils
direct current
Tapes
tapes
2 引用 (Scopus)

Influence of AC transport current balance on AC loss in a two layered polygonal YBCO assembled conductor

Ogawa, J., Fukui, S., Oka, T., Sato, T., Tamura, A., Kasuga, E. & Ryu, K. W., 2012 6 25, : : IEEE Transactions on Applied Superconductivity. 22, 3, 4704804.

研究成果: Article

alternating current
conductors
Superconducting tapes
High temperature applications
tapes
5 引用 (Scopus)

Magnetic field distribution of permanent magnet magnetized by static magnetic field generated by HTS bulk magnet

Oka, T., Kawasaki, N., Fukui, S., Ogawa, J., Sato, T., Terasawa, T., Itoh, Y. & Yabuno, R., 2012 6 25, : : IEEE Transactions on Applied Superconductivity. 22, 3, 6101562.

研究成果: Article

magnetic poles
permanent magnets
Permanent magnets
Magnets
Poles
2 引用 (Scopus)

Magnetizing of permanent magnets using HTS bulk magnets

Oka, T., Muraya, T., Kawasaki, N., Fukui, S., Ogawa, J., Sato, T. & Terasawa, T., 2012 1 1, : : Cryogenics. 52, 1, p. 27-31 5 p.

研究成果: Article

permanent magnets
Permanent magnets
Magnets
magnets
magnetic poles
3 引用 (Scopus)

Measurement and numerical analysis of AC loss in high temperature superconducting coil

Fukui, S., Shibayama, M., Ogawa, J., Oka, T., Sato, T., Takao, T. & Tsukamoto, O., 2012 6 25, : : IEEE Transactions on Applied Superconductivity. 22, 3, 4704904.

研究成果: Article

numerical analysis
Numerical analysis
alternating current
coils
Tapes
12 引用 (Scopus)

Numerical study of optimization design of high temperature superconducting field winding in 20 MW synchronous motor for ship propulsion

Fukui, S., Kawai, T., Takahashi, M., Ogawa, J., Oka, T., Sato, T. & Tsukamoto, O., 2012 6 25, : : IEEE Transactions on Applied Superconductivity. 22, 3, 5200504.

研究成果: Article

Ship propulsion
synchronous motors
design optimization
Synchronous motors
ships
permanent magnets
Permanent magnets
Magnets
Magnetization
magnets
2011
2 引用 (Scopus)

Development and test of model apparatus utilizing HTS magnetic levitation for non-contact spinning clean-up processors of photo mask production

Saito, K., Fukui, S., Ogawa, J., Oka, T., Sato, T., Sorimachi, S. & Miyazaki, S., 2011 6 1, : : IEEE Transactions on Applied Superconductivity. 21, 3 PART 2, p. 2241-2244 4 p., 5617305.

研究成果: Article

Magnetic levitation
levitation
metal spinning
central processing units
Masks
5 引用 (Scopus)
Refrigerators
refrigerators
Magnets
Magnetization
magnets
4 引用 (Scopus)

Experimental evaluation of the effect on AC loss of a polygonal arrangement in YBCO assembled conductors

Ogawa, J., Fukui, S., Oka, T., Sato, T., Ito, T., Sugisawa, J. & Tamura, A., 2011 6 1, : : IEEE Transactions on Applied Superconductivity. 21, 3 PART 3, p. 3285-3288 4 p., 5613958.

研究成果: Article

alternating current
conductors
evaluation
Tapes
tapes
5 引用 (Scopus)
Magnets
Magnetization
magnets
Magnetic flux
magnetization
6 引用 (Scopus)

Influence of DC offset transport current on AC loss characteristics in HTS tapes

Ogawa, J., Fukui, S., Oka, T., Sato, T., Kojima, H., Shibayama, M. & Egawa, M., 2011 6 1, : : IEEE Transactions on Applied Superconductivity. 21, 3 PART 3, p. 3325-3328 4 p., 5621862.

研究成果: Article

Superconducting tapes
tapes
alternating current
direct current
critical current