Kyushu University Academic Staff Educational and Research Activities Database
List of Papers
Kazuhiro Kajikawa Last modified date:2019.06.20

Associate Professor / Superconductive Systems Engineering Laboratory / Department of Electrical Engineering / Faculty of Information Science and Electrical Engineering


Papers
1. K.Kajikawa, T.Honda, K.Tadakuma, Suppression of Flux Creep in HTS Coil by Applying Low AC Magnetic Field, IEEE Transactions on Applied Superconductivity, Vol.28, No.3, 4601205, 2018.04.
2. Y.Okabe, T.Honda, K.Kajikawa, Numerical reproduction of screening-current-induced fields in HTS tape windings using finite element method, Journal of Physics: Conference Series, Vol.871, 012047, 2017.07.
3. K.Kajikawa, S.Awaji, K.Watanabe, AC loss evaluation of an HTS insert for high field magnet cooled by cryocoolers, Cryogenics, Vol.80, No.2, pp.215-220, 2016.12.
4. K.Kajikawa, Y.Okabe, Reduction of Screening-Current-Induced Fields in an HTS Tape Winding Using Toroidal Arrangement of Shaking Coil, IEEE Transactions on Applied Superconductivity, Vol.26, No.4, 4400504, 2016.06.
5. K.Kajikawa, G.V.Gettliffe, Y.Chu, D.Miyagi, T.P.Lecrevisse, S.Hahn, J.Bascunan, Y.Iwasa, Designs and Tests of Shaking Coils to Reduce Screening Currents Induced in HTS Insert Coils for NMR Magnet, IEEE Transactions on Applied Superconductivity, Vol.25, No.3, 4300305, 2015.06.
6. J.Voccio, S.Hahn, Y.Kim, J.Song, K.Kajikawa, S.Noguchi, J.Bascunan, Y.Iwasa, A 1.5-T Magic-Angle Spinning NMR Magnet: 4.2-K Performance and Field Mapping Test Results, IEEE Transactions on Applied Superconductivity, Vol.25, No.3, 4301005, 2015.06.
7. Y.Iwasa, J.Bascunan, S.Hahn, J.Voccio, Y.Kim, T.Lecrevisse, J.Song, K.Kajikawa, A High-Resolution 1.3-GHz/54-mm LTS/HTS NMR Magnet, IEEE Transactions on Applied Superconductivity, Vol.25, No.3, 4301205, 2015.06.
8. S.Awaji, K.Kajikawa, K.Watanabe, H.Oguro, T.Mitose, S.Fujita, M.Daibo, Y.Iijima, H.Miyazaki, M.Takahashi, S.Ioka, AC Losses of an HTS Insert in a 25-T Cryogen-Free Superconducting Magnet, IEEE Transactions on Applied Superconductivity, Vol.25, No.3, 4601405, 2015.06.
9. K.L.Kim, S.Hahn, Y.H.Choi, Y.G.Kim, D.H.Kang, K.Kajikawa, H.G.Lee, Feasibility Study for Elimination of the Screening Current-Induced Fields in HTS Coil, Journal of Superconductivity and Novel Magnetism, Vol.28, No.1, pp.83-88, 2015.01.
10. K.Funaki, M.Kurawaki, S.Sato, K.Kajikawa, M.Iwakuma, T.Hayashi, T.Kato, K.Fujino, Transport AC Loss Properties of a Bi-2223 Superconducting Coil From 0.1 Hz to 10 Hz, IEEE Transactions on Applied Superconductivity, Vol.23, No.3, 4700804, 2013.06.
11. K.Kajikawa, Y.Uchida, T.Nakamura, H.Kobayashi, T.Wakuda, K.Tanaka, Development of Stator Windings for Fully Superconducting Motor With MgB2 Wires, IEEE Transactions on Applied Superconductivity, Vol.23, No.3, 5201604, 2013.06.
12. K.Kajikawa, H.Kuga, T.Inoue, K.Watanabe, Y.Uchida, T.Nakamura, T.Wakuda, K.Tanaka, Demonstration of Transfer of Liquid Helium Using a Pump System with MgB2 Wires, Journal of Superconductivity and Novel Magnetism, Vol.26, No.5, pp.1537-1541, 2013.05.
13. M.Kurawaki, K.Kajikawa, M.Iwakuma, K.Funaki, T.Hayashi, T.Kato, K.Fujino, Modeling of AC transport losses in 5 T-class Bi-2223 superconducting coils, 24th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2012, pp.521-524, 2013.02.
14. Y.Uchida, H.Kuga, K.Kajikawa, T.Nakamura, H.Kobayashi, T.Wakuda, K.Tanaka, Preliminary investigation of stator windings for fully superconducting motor with MgB2 wires, 24th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2012, pp.739-742, 2013.02.
15. K.Watanabe, T.Inoue, K.Kajikawa, H.Kobayashi, H.Taguchi, T.Wakuda, K.Tanaka, Operation tests of superconducting level sensors for liquid hydrogen with CuNi-sheathed MgB2 wires, 24th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2012, pp.755-758, 2013.02.
16. K.Kajikawa, H.Kuga, T.Inoue, K.Watanabe, Y.Uchida, T.Nakamura, H.Kobayashi, M.Hongo, T.Kojima, H.Taguchi, Y.Naruo, T.Wakuda and K.Tanaka, Development of a liquid hydrogen transfer pump system with MgB2 wires, Cryogenics, Vol.52, No.11, pp.615-619, 2012.11.
17. K.Kajikawa, T.Inoue, K.Watanabe, M.Kanazawa, Y.Yamada, H.Kobayashi, H.Taguchi and I.Aoki, Proposal of a new type of superconducting level sensor for liquid hydrogen with MgB2 wires, Physics Procedia, Vol.36, pp.1396-1401, 2012.06.
18. K.Kajikawa and K.Funaki, Reduction of Magnetization in Windings Composed of HTS Tapes, IEEE Transactions on Applied Superconductivity, Vol.22, No.3, 4400404, 2012.06.
19. T.Nakamura, H.Nishio, N.Amemiya, K.Kajikawa and T.Wakuda, Performance of Induction/Synchronous Motor Having MgB2 Cage Windings for Liquid Hydrogen Circulation Pump, IEEE Transactions on Applied Superconductivity, Vol.22, No.3, 5200404, 2012.06.
20. Y.Yamada, M.Kanazawa, T.Ohno, K.Tachikawa, K.Kajikawa, T.Inoue, I.Aoki, A.Matsumoto and H.Kumakura, PIT Processed MgB2 Thin Wires Sheathed With Stainless Steel, IEEE Transactions on Applied Superconductivity, Vol.22, No.3, 6200304, 2012.06.
21. T.Nakamura, Y.Yamada, H.Nishio, K.Kajikawa, M.Sugano, N.Amemiya, T.Wakuda, M.Takahashi and M.Okada, Development and fundamental study on a superconducting induction/synchronous motor incorporated with MgB2 cage windings, Superconductor Science and Technology, Vol.25, No.1, 014004, 2012.01.
22. K.Kajikawa and K.Funaki, A simple method to eliminate shielding currents for magnetization perpendicular to superconducting tapes wound into coils, Superconductor Science and Technology, Vol.24, No.12, 125005, 2011.12.
23. K.Kajikawa, R.Osaka, H.Kuga, T.Nakamura and T.Wakuda, Proposal of new structure of MgB2 wires with low AC loss for stator windings of fully superconducting motors located in iron core slots, Physica C, Vol.471, Nos.21-22, pp.1470-1473, 2011.11.
24. K.Funaki, Y.Uratake, A.Nakao, K.Kajikawa, K.Tanaka and M.Okada, Thermal stability analysis of a test coil using a Ta-barrier MgB2 multifilamentary superconducting wire, 23rd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2010, pp.1189-1194, 2011.07.
25. K.Kajikawa, R.Osaka, T.Nakamura, M.Sugano and T.Wakuda, AC loss evaluation of MgB2 superconducting windings located in a stator core slot with a finite-element method, Journal of Superconductivity and Novel Magnetism, Vol.24, Nos.1-2, pp.987-991, 2011.01.
26. K.Kajikawa, K.Funaki, K.Shikimachi, N.Hirano and S.Nagaya, Numerical and theoretical evaluations of AC losses for single and infinite numbers of superconductor strips with direct and alternating transport currents in external AC magnetic field, Physica C, Vol.470, No.20, pp.1321-1324, 2010.11.
27. A.Jokinen, K.Kajikawa, M.Takahashi and M.Okada, Automatic development of normal zone in composite MgB2/CuNi wires with different diameters, Journal of Physics: Conference Series, Vol.234, Part 1, 012021, 2010.07.
28. H.Ueda, K.Agatsuma, S.Fuchino, T.Imura, M.Furuse, K.Kajikawa, A.Ishiyama, T.Koizumi and S.Miyake, Improvement of a High-Gradient Magnetic Separation System for Trapping Immunoglobulin in Serum, IEEE Transactions on Applied Superconductivity, Vol.20, No.3, pp.949-952, 2010.06.
29. K.Kajikawa, T.Kawano, R.Osaka, T.Nakamura, M.Sugano, M.Takahashi and T.Wakuda, Dependence of Transport-Current Losses in MgB2 Superconducting Wire on Temperature and Frequency, IEEE Transactions on Applied Superconductivity, Vol.20, No.3, pp.2111-2114, 2010.06.
30. K.Kajikawa, T.Kawano, R.Osaka, T.Nakamura, M.Sugano, M.Takahashi and T.Wakuda, AC losses in monofilamentary MgB2 round wire carrying alternating transport currents, Superconductor Science and Technology, Vol.23, No.4, 045026, 2010.04.
31. K.Kajikawa, K.Funaki, K.Shikimachi, N.Hirano and S.Nagaya, Numerical evaluation of AC loss properties in assembled superconductor strips exposed to perpendicular magnetic field, Physica C, Vol.469, Nos.15-20, pp.1436-1438, 2009.10.
32. K.Kajikawa and T.Nakamura, Proposal of a Fully Superconducting Motor for Liquid Hydrogen Pump With MgB2 Wire, IEEE Transactions on Applied Superconductivity, Vol.19, No.3, pp.1669-1673, 2009.06.
33. H.Ueda, K.Agatsuma, K.Kajikawa, M.Furuse, S.Fuchino and A.Ishiyama, Design and Test of Filter of High Gradient Magnetic Separation System for Trapping Immunoglobulin in Serum, IEEE Transactions on Applied Superconductivity, Vol.19, No.3, pp.2157-2161, 2009.06.
34. K.Kajikawa, K.Tomachi, K.Tanaka, K.Funaki, T.Kamiya, M.Okada and H.Kumakura, Numerical simulation of a superconducting level sensor for liquid hydrogen with MgB2 wire, 22nd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2008, pp.425-430, 2009.05.
35. A.Sato, K.Agatsuma, M.Furuse, K.Kajikawa, Y.Kamioka, K.Hosoyama, Y.Kojima, H.Nakai, K.Nakanishi, K.Fujioka and D.-L.Kim, Summary report on the cryogenics summer school in these ten years, 22nd International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2008, pp.847-852, 2009.05.
36. 船木和夫,久保輝朗,中尾彰浩,佐藤誠樹,松尾政晃,柁川一弘,田中和英,岡田道哉,熊倉浩明,林秀美, MgB2超伝導線材における常伝導部伝播現象の定量的評価, 低温工学, Vol.43, No.10, pp.423-429, 2008.10.
37. K.Tanaka, K.Funaki, T.Sueyoshi, Y.Sasashige, K.Kajikawa, M.Iwakuma, M.Okada, H.Kumakura and H.Hayashi, AC loss properties of MgB2 multifilament wires, Superconductor Science and Technology, Vol.21, No.9, 095007, 2008.09.
38. K.Kajikawa, R.Yokoo, K.Tomachi, K.Enpuku, K.Funaki, H.Hayashi and H.Fujishiro, Finite element analysis of pulsed field magnetization process in a cylindrical bulk superconductor, Physica C, Vol.468, Nos.15-20, pp.1494-1497, 2008.09.
39. K.Kajikawa, R.Yokoo, K.Tomachi, K.Enpuku, K.Funaki, H.Hayashi and H.Fujishiro, Numerical Evaluation of Pulsed Field Magnetization in a Bulk Superconductor Using Energy Minimization Technique, IEEE Transactions on Applied Superconductivity, Vol.18, No.2, pp.1557-1560, 2008.06.
40. K.Kajikawa, K.Tomachi, N.Maema, M.Matsuo, S.Sato, K.Funaki, H.Kumakura, K.Tanaka, M.Okada, K.Nakamichi, Y.Kihara, T.Kamiya and I.Aoki, Fundamental investigation of a superconducting level sensor for liquid hydrogen with MgB2 wire, Journal of Physics: Conference Series, Vol.97, 012140, 2008.03.
41. K.Funaki, T.Sueyoshi, K.Kajikawa, M.Iwakuma, K.Tanaka, M.Okada, H.Kumakura and H.Hayashi, AC loss properties of Cu-sheathed MgB2 composites with Nb barriers, Journal of Physics: Conference Series, Vol.97, 012316, 2008.03.
42. Y.Mawatari and K.Kajikawa, Hysteretic ac loss of polygonally arranged superconducting strips carrying ac transport current, Applied Physics Letters, Vol.92, No.1, 012504, 2008.01.
43. K.Funaki, N.Maema, M.Matsuo, S.Sato, K.Kajikawa, M.Okada and H.Kumakura, Normal zone propagation in MgB2 wires immersed in liquid helium, CryoPrague 2006, 85, 2007.12.
44. K.Kajikawa, Y.Iiyama, K.Enpuku and K.Funaki, Current sharing among filaments for Bi-2223 Ag-sheathed tapes with inter-filament barrier, Physica C, Vols.463-465, pp.852-856, 2007.10.
45. K.Kajikawa, D.Nakamura, T.Hayashi and K.Funaki, Numerical Evaluation of AC Loss Property in Bi-2223 Tapes Affected by Multifilament Structure, IEEE Transactions on Applied Superconductivity, Vol.17, No.2, pp.2410-2413, 2007.06.
46. Y.Mawatari and K.Kajikawa, Hysteretic ac loss of superconducting strips simultaneously exposed to ac transport current and phase-different ac magnetic field, Applied Physics Letters, Vol.90, No.2, 022506, 2007.01.
47. K.Kajikawa, Y.Mawatari, Y.Iiyama, T.Hayashi, K.Enpuku, K.Funaki, M.Furuse and S.Fuchino, Feasibility study on a new three-phase power transmission cable with radial arrangement of superconducting tapes, Physica C, Vols.445-448, pp.1058-1061, 2006.10.
48. T.Hayashi, D.Nakamura, K.Kajikawa, M.Iwakuma and K.Funaki, Numerical Evaluation of Total AC Loss in Parallel Tape Conductor With Transport Current in Oblique Magnetic Field, IEEE Transactions on Applied Superconductivity, Vol.16, No.2, pp.97-100, 2006.06.
49. K.Kajikawa, Y.Takahashi, K.Enpuku, K.Funaki, H.Hayashi, M.Morita and H.Hirano, Finite Element Analysis of Thermal and Mechanical Behaviors in Fault Current Limiter Model With QMG Bulk Superconductors, IEEE Transactions on Applied Superconductivity, Vol.16, No.2, pp.666-669, 2006.06.
50. Y.Mawatari and K.Kajikawa, Alternating current loss in radially arranged superconducting strips, Applied Physics Letters, Vol.88, No.9, 092503, 2006.02.
51. K.Funaki, M.Iwakuma, K.Kajikawa, N.Hirano, S.Nagaya, N.Ohtani and T.Hasegawa, AC loss characteristics of Bi-2212 multifilamentary round wires and their cables, 20th International Cryogenic Engineering Conference, 499-502, 2005.12.
52. K.Kajikawa, T.Hayashi, D.Nakamura and K.Funaki, Magnetization loss properties of thin superconducting tapes with field-dependent critical current, Physica C, 10.1016/j.physc.2005.02.106, 426, 1295-1301, Vols.426-431, Part 2, pp.1295-1301, 2005.10.
53. T.Hayashi, K.Kajikawa, M.Iwakuma and K.Funaki, Numerical calculations of AC losses in parallel tape conductors with fixed share of transport current in external magnetic field, Physica C, 10.1016/j.physc.2005.03.053, 426, 1328-1332, Vols.426-431, Part 2, pp.1328-1332, 2005.10.
54. K.Kajikawa, T.Hayashi and K.Funaki, Numerical Evaluation of Anisotropy of Magnetization Losses in Superconducting Wires With Elliptic Cross Section, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2005.849174, 15, 2, 1570-1573, Vol.15, No.2, pp.1570-1573, 2005.06.
55. T.Hayashi, K.Kajikawa, M.Iwakuma and K.Funaki, Numerical Calculation of Ac Losses in Stacked Bi-2223 Tapes Exposed to Oblique Magnetic Field, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2005.848249, 15, 2, 2863-2866, Vol.15, No.2, pp.2863-2866, 2005.06.
56. H.Miyazaki, A.Iwamoto, K.Kajikawa, M.Iwakuma, K.Funaki, H.Hayashi and A.Tomioka, Thermal properties of a 1T cryocooler-cooled superconducting pulsed coil during DC operation, Institute of Physics Conference Series 181, pp.487-493, 2004.12.
57. M.Iwakuma, H.Miyazaki, K.Kajikawa, K.Funaki, H.Hayashi, Y.Hatabe, Y.Sanuki and A.Tomioka, Estimation method of ac losses in oxide superconducting windings, Institute of Physics Conference Series 181, pp.1989-1996, 2004.12.
58. K.Kajikawa, Y.Mawatari, T.Hayashi and K.Funaki, AC loss properties in thin superconducting wires with cross sections of various shapes, Institute of Physics Conference Series 181, pp.2021-2028, 2004.12.
59. M.Morita, H.Hirano, H.Hayashi, K.Terazono, K.Kajikawa, K.Funaki and T.Hamajima, Fabrication transport properties of QMG current limiting elements, Physica C, 10.1016/j.physc.2003.12.070, 412, 750-755, Vols.412-414, Part 1, pp.750-755, 2004.10.
60. K.Kajikawa, T.Hayashi, K.Funaki, E.S.Otabe and T.Matsushita, Dependence of AC losses on aspect ratio in superconducting wires with rectangular cross section, Physica C, 10.1016/j.physc.2004.01.127, 412, 1045-1049, Vols.412-414, Part 2, pp.1045-1049, 2004.10.
61. T.Hayashi, R.Yoshida, Y.Fukuda, K.Kajikawa, M.Iwakuma and K.Funaki, Numerical calculation of magnetization losses in single Bi-2223 tape with anisotropic transport properties by 2D-FEM directly analyzing the field distribution, Physica C, 10.1016/j.physc.2004.01.135, 412, 1129-1133, Vols.412-414, Part 2, pp.1129-1133, 2004.10.
62. K.Kajikawa, T.Hayashi and K.Funaki: "AC Loss Properties of Elliptic Superconducting Wires Exposed to a Transverse Magnetic Field with an Arbitrary Angle," Journal of Cryogenic Society of Japan.
63. K.Kajikawa, K.Funaki, H.Hayashi, K.Terazono, M.Morita, H.Hirano and T.Hamajima, Numerical Study on Fundamental Properties of a Resistive Type Fault Current Limiter With QMG Bulk Superconductor Reinforced by Metal Bypass, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2004.830296, 14, 2, 847-850, Vol.14, No.2, pp.847-850, 2004.06.
64. K.Kajikawa, Y.Mawatari, T.Hayashi and K.Funaki, AC loss evaluation of thin superconducting wires with critical current distribution along width, Superconductor Science and Technology, 10.1088/0953-2048/17/3/042, 17, 3, 555-563, Vol.17, No.3, pp.555-563, 2004.03.
65. M.Iwakuma, Y.Fukuda, M.Fukui, K.Kajikawa and K.Funaki, Magnetic field angular dependence of AC losses in Bi-2223 superconducting wires, Physica C, 10.1016/S0921-4534(03)01118-3, 392, 1096-1101, Vols.392-396, Part 2, pp.1096-1101, 2003.10.
66. K.Kajikawa, T.Hayashi, R.Yoshida, M.Iwakuma and K.Funaki, Influence of vacuum region on AC losses in superconducting wires with 2D FEM formulated by self-magnetic field, Physica C, 10.1016/S0921-4534(03)01116-X, 392, 1113-1117, Vols.392-396, Part 2, pp.1113-1117, 2003.10.
67. M.Iwakuma, H.Miyazaki, Y.Fukuda, K.Kajikawa, K.Funaki, K.Tsutsumi, H.Hayashi, H.Kimura, A.Tomioka, T.Bohno and Y.Yagi, Ac Loss Properties of a 4 kJ Conduction-Cooled Pulse Coil Wound With a Bi2223 6-Strand Parallel Conductor for SMES, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2003.812938, 13, 2, 1882-1885, Vol.13, No.2, pp.1882-1885, 2003.06.
68. Y.Fukuda, K.Toyota, K.Kajikawa, M.Iwakuma and K.Funaki, Field Angle Dependence of Ac Losses in Stacked Bi-2223 Ag-Sheathed Tapes, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2003.812410, 13, 2, 3610-3613, Vol.13, No.2, pp.3610-3613, 2003.06.
69. K.Kajikawa, T.Hayashi, R.Yoshida, M.Iwakuma and K.Funaki, Numerical Evaluation of AC Losses in HTS Wires With 2D FEM Formulated by Self Magnetic Field, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2003.812415, 13, 2, 3630-3633, Vol.13, No.2, pp.3630-3633, 2003.06.
70. M.Iwakuma, M.Nanri, M.Fukui, Y.Fukuda, K.Kajikawa and K.Funaki, Theoretical investigation on the detection ratio of the magnetization in superconducting wires by a saddle-shaped pick-up coil, Superconductor Science and Technology, 10.1088/0953-2048/16/5/301, 16, 5, 545-556, Vol.16, No.5, pp.545-556, 2003.05.
71. K.Kajikawa, Y.Fukuda, H.Moriyama, T.Hayashi, M.Iwakuma and K.Funaki, Frequency dependence of AC magnetization in stacked Bi-2223 Ag-sheathed tapes, Physica C, 10.1016/S0921-4534(02)01210-8, 382, 1, 122-126, Vol.382, No.1, pp.122-126, 2002.10.
72. K.Kajikawa, M.Iwakuma and K.Funaki, A heuristic description of AC losses in superconducting slab with smooth voltage-current characteristics represented by power law, Physica C, 10.1016/S0921-4534(02)01593-9, 378, 1097-1101, Vols.378-381, Part 2, pp.1097-1101, 2002.10.
73. K.Kajikawa, M.Nishimura, H.Moriyama, M.Iwakuma and K.Funaki, Theoretical evaluation of perpendicular-field losses in stacked high-Tc superconducting tapes, Physica C, 10.1016/S0921-4534(02)01722-7, 378, 1122-1127, Vols.378-381, Part 2, pp.1122-1127, 2002.10.
74. H.Tanaka, K.Matsuda, M.Iwakuma, K.Kajikawa, K.Funaki, M.Konno, S.Nose, M.Ueyama, K.Hayashi and K.Sato, Experimental study on the dependence of ac losses in superconducting parallel conductors on the distance between strands, Physica C, 10.1016/S0921-4534(02)01132-2, 372, 1810-1813, Vols.372-376, Part 3, pp.1810-1813, 2002.08.
75. K.Kajikawa, Y.Fukuda, H.Moriyama, T.Hayashi, M.Iwakuma and K.Funaki, AC Magnetization and Losses of Stacked HTS Tapes in External Magnetic Field Perpendicular to Their Wide Faces, International Workshop on Informations & Electrical Engineering 2002, pp.135-140, 2002.05.
76. M.Iwakuma, K.Matsumura, H.Miyazaki, K.Kajikawa, K.Funaki, H.Hata, H.Fujimoto and H.Kamijo, Feasibility Study of Oxide Superconducting Transformers for Shinkansen Rolling Stock, IEEE Transactions on Applied Superconductivity, 10.1109/TASC.2002.1018529, 12, 1, 828-832, Vol.12, No.1, pp.828-832, 2002.03.
77. K.Kajikawa, M.Nishimura, H.Moriyama, M.Iwakuma and K.Funaki: "Quantitative Evaluation of Perpendicular-field Losses in Stacked Oxide Superconducting Tape-shaped Wires," Transactions of Institute of Electrical Engineers of Japan.
78. K.Kajikawa, M.Nishimura, H.Moriyama, M.Iwakuma and K.Funaki, A new experimental technique to evaluate perpendicular-field losses of superconducting tape wires with meter-class length, Physica C, 10.1016/S0921-4534(01)00485-3, 357, 1201-1204, Vols.357-360, Part 2, pp.1201-1204, 2001.08.
79. K.Kawasaki, K.Kajikawa, M.Iwakuma and K.Funaki, Theoretical expressions for AC losses of superconducting coils in external magnetic field and transport current with phase difference, Physica C, 10.1016/S0921-4534(01)00486-5, 357, 1205-1208, Vols.357-360, Part 2, pp.1205-1208, 2001.08.
80. Y.Fukuda, K.Matsumura, K.Kajikawa, M.Iwakuma, K.Funaki, T.Hasegawa, H.Kasahara, S.Akita and H.Sakaguchi, AC loss properties of Bi-2212 Rutherford-type cables, Physica C, 10.1016/S0921-4534(01)00490-7, 357, 1263-1266, Vols.357-360, Part 2, pp.1263-1266, 2001.08.
81. G.Fuchs, K.A.Nenkov, A.Attenberger, K.Luders, M.Baenitz, C.Ecker, K.Kajikawa, E.V.Antipov and H.R.Khan, A uniform description of irreversibility lines for various high-Tc superconductors, Physica C, 10.1016/S0921-4534(01)00083-1, 355, 3-4, 299-306, Vol.355, Nos.3-4, pp.299-306, 2001.06.
82. M.Iwakuma, K.Funaki, K.Kajikawa, H.Tanaka, T.Bohno, A.Tomioka, H.Yamada, S.Nose, M.Konno, Y.Yagi, H.Maruyama, T.Ogata, S.Yoshida, K.Ohashi, K.Tsutsumi and K.Honda, Ac Loss Properties of a 1MVA Single-Phase HTS Power Transformer, IEEE Transactions on Applied Superconductivity, 10.1109/77.920054, 11, 1, 1482-1485, Vol.11, No.1, pp.1482-1485, 2001.03.
83. K.Funaki, M.Iwakuma, K.Kajikawa, M.Hara, J.Suehiro, T.Ito, Y.Takata, T.Bohno, S.Nose, M.Konno, Y.Yagi, H.Maruyama, T.Ogata, S.Yoshida, K.Ohashi, H.Kimura and K.Tsutsumi, Development of a 22kV/6.9kV Single-Phase Model for a 3MVA HTS Power Transformer, IEEE Transactions on Applied Superconductivity, 10.1109/77.920079, 11, 1, 1578-1581, Vol.11, No.1, pp.1578-1581, 2001.03.
84. K.Kajikawa, A.Takenaka, K.Kawasaki, M.Iwakuma and K.Funaki, Numerical Simulation for AC Losses of HTS Tapes in Combined Alternating Transport Current and External AC Magnetic Field with Phase Shift, IEEE Transactions on Applied Superconductivity, 10.1109/77.920305, 11, 1, 2240-2243, Vol.11, No.1, pp.2240-2243, 2001.03.
85. H.R.Khan, K.Luders, K.Kajikawa, M.Baenitz and C.Ecker, Irreversibility fields of polycrystalline Hg(1-x)PbxBa2Ca2Cu3Oy superconductors, Physica C, 10.1016/S0921-4534(00)00649-3, 341, 683-684, Vols.341-348, Part I, pp.683-684, 2000.11.
86. K.Kajikawa, A.Takenaka, K.Kawasaki, M.Iwakuma and K.Funaki, AC Losses of HTS Tapes in Parallel Magnetic Field and Transport Current with Phase Shift, International Workshop on Critical Currents and Applications of HTS, pp.55-56, 2000.10.
87. M.Iwakuma, K.Funaki, K.Kajikawa, H.Tanaka, T.Bohno, S.Nose, M.Konno, Y.Yagi, H.Maruyama, S.Yoshida, K.Tsutsumi and K.Honda, Ac Loss in a 1MVA HTS Power Transformer, International Workshop on Critical Currents and Applications of HTS, pp.114-115, 2000.10.
88. K.Kajikawa, H.Shiraishi, A.Takenaka, M.Iwakuma and K.Funaki, Applicability of a "simple electromagnetic method" to AC loss measurements in more general electromagnetic configurations, Advances in Cryogenic Engineering (Materials), Vol.46, Part B, pp.1035-1042, 2000.08.
89. V.S.Vysotsky, K.Funaki, Yu.A.Ilyin, K.Kajikawa, M.Iwakuma, M.Takeo and T.Kumano, Influence of multistrand superconducting cable's design on its stability, Advances in Cryogenic Engineering (Materials), Vol.46, Part B, pp.1067-1074, 2000.08.
90. K.Kajikawa, A.Takenaka, M.Iwakuma and K.Funaki, Influences of collective interaction of turns on transverse-field losses in superconducting multifilamentary wires, Institute of Physics Conference Series 167, Vol.1, pp.931-934, 2000.06.
91. K.Funaki, M.Iwakuma, K.Kajikawa, T.Bohno, S.Nose, M.Konno, Y.Yagi, H.Maruyama, T.Ogata, K.Honda and K.Tsutsumi, Over-current test of a Bi-2223 model winding for a high-voltage-type HTS transformer, Institute of Physics Conference Series 167, Vol.1, pp.1115-1118, 2000.06.
92. M.Iwakuma, M.Nishimura, K.Kajikawa, K.Funaki, H.Hayashi, K.Tsutsumi, A.Tomioka, M.Konno and S.Nose, Current distribution in a 1T cryocooler-cooled pulse coil wound with a Bi2223 interlayer-transposed 4-strand parallel conductor, Institute of Physics Conference Series 167, Vol.1, pp.1263-1266, 2000.06.
93. H.Tanaka, M.Iwakuma, K.Kajikawa, K.Funaki, M.Konno, S.Nose, K.Hayashi and K.Sato, Experimental Study on Frequency Dependence of Ac Loss in Superconducting Parallel Conductors, Advances in Superconductivity XII, 763-765, pp.763-765, 2000.04.
94. M.Iwakuma, Y.Fukuda, K.Matsumura, K.Kajikawa, K.Funaki and M.Okada, Ac Losses in Bi2212 ROSATwires Exposed to an Ac Magnetic Field, Advances in Superconductivity XII, 766-768, pp.766-768, 2000.04.
95. M.Iwakuma, M.Nishimura, K.Kajikawa, K.Funaki, H.Hayashi, K.Tsutsumi, A.Tomioka, M.Konno and S.Nose, Current Distribution in Superconducting Parallel Conductors Wound into Pancake Coils, IEEE Transactions on Applied Superconductivity, 10.1109/77.828367, 10, 1, 861-864, Vol.10, No.1, pp.861-864, 2000.03.
96. K.Kajikawa, H.Shiraishi, A.Takenaka, M.Iwakuma and K.Funaki, Influences of winding pitch on transverse-field loss of multifilamentary wire measured by a simple electromagnetic method with configuration of a double-layer non-inductive sample coil, Cryogenics, 10.1016/S0011-2275(99)00091-0, 39, 10, 871-885, Vol.39, No.10, pp.871-885, 1999.10.
97. K.Kajikawa, M.Iwakuma, K.Funaki, M.Wada and A.Takenaka, Influences of Geometrical Configuration on AC Loss Measurement with Pickup-Coil Method, IEEE Transactions on Applied Superconductivity, 10.1109/77.783402, 9, 2, 746-749, Vol.9, No.2, pp.746-749, 1999.06.
98. M.Iwakuma, K.Funaki, K.Kajikawa, H.Kanetaka, H.Hayashi, K.Tsutsumi, A.Tomioka, M.Konno and S.Nose, Development of a 1T Cryocooler-Cooled Pulse Coil with a Bi2223 Superconducting Parallel Conductor for SMES, IEEE Transactions on Applied Superconductivity, 10.1109/77.783449, 9, 2, 928-931, Vol.9, No.2, pp.928-931, 1999.06.
99. A.Tomioka, T.Bohno, S.Nose, M.Konno, M.Iwakuma, K.Funaki, K.Kajikawa, H.Kanetaka, H.Hayashi and K.Tsutsumi, Experimental Results of the Model Coil for Cooling Design of a 1T Cryocooler-Cooled Pulse Coil for SMES, IEEE Transactions on Applied Superconductivity, 10.1109/77.783450, 9, 2, 932-935, Vol.9, No.2, pp.932-935, 1999.06.
100. V.S.Vysotsky, Yu.A.Ilyin, K.Kajikawa, K.Funaki, M.Iwakuma, M.Takeo and T.Kumano, Possible Solution of the "Single Strand Stability" Problem - Special Cable Design, IEEE Transactions on Applied Superconductivity, 10.1109/77.783495, 9, 2, 1121-1124, Vol.9, No.2, pp.1121-1124, 1999.06.
101. M.Iwakuma, K.Funaki, K.Kajikawa, H.Kanetaka, H.Hayashi, K.Tsutsumi, A.Tomioka, M.Konno and S.Nose, Ac Loss and Temperature Distribution in a Cryocooler-Cooled 1T Pulse Coil with an Interlayer-Transposed Parallel Conductor, Advances in Superconductivity XI, Vol.2, pp.963-966, 1999.06.
102. K.Kajikawa, H.Shiraishi, A.Takenaka, M.Iwakuma and K.Funaki, Effects of Winding Pitch on Transverse-Field Losses Measured by a Simple Electromagnetic Method, Advances in Superconductivity XI, Vol.2, pp.967-970, 1999.06.
103. T.Matsushita, E.S.Otabe, H.Matsuoka, M.Izawa, K.Kajikawa, M.Iwakuma, K.Funaki, M.Morita and T.Tokunaga, AC Transport Current Loss in QMG Processed Y-123 Superconductor, 17th International Cryogenic Engineering Conference, pp.535-538, 1999.01.
104. K.Funaki, K.Kajikawa, H.Shiraishi, M.Iwakuma, S.Miyake, T.Kumano and T.Hasegawa, A simple electromagnetic method of cyclic loss measurement for superconducting wires in a combined alternating transverse magnetic field and transport current, Physica C, 10.1016/S0921-4534(98)00448-1, 310, 1-4, 132-136, Vol.310, Nos.1-4, pp.132-136, 1998.12.
105. M.Iwakuma, Y.Tajika, K.Kajikawa, K.Funaki, T.Matsushita, E.S.Otabe, N.Ayai, K.Hayashi and K.Sato, Twist effect on hysteresis loss in Bi2223 multifilamentary wires exposed to an AC magnetic field, Physica C, 10.1016/S0921-4534(98)00452-3, 310, 1-4, 154-158, Vol.310, Nos.1-4, pp.154-158, 1998.12.
106. V.S.Vysotsky, K.Funaki, K.Kajikawa, H.Tomiya, M.Nakamura and M.Takeo, Test Set-Up to Study Current Distribution in AC Multistrand Superconducting Cables, Advances in Cryogenic Engineering (Materials), 44, 1043-1050, Vol.44, Part B, pp.1043-1050, 1998.12.
107. M.Iwakuma, H.Mori, A.Yoshimura, K.Kajikawa, T.Matsushita, K.Funaki, M.Konno, S.Nose, M.Ueyama, K.Hayashi and K.Sato, Current Distribution in 3-Strand Superconducting Parallel Conductors, 15th International Conference on Magnet Technology, Part 1, pp.567-570, 1998.10.
108. V.S.Vysotsky, K.Funaki, K.Kajikawa, Yu.A.Ilyin, M.Nakamura, M.Iwakuma, M.Takeo, H.Tomiya and T.Kumano, Current Distribution And Stability Of Multistrand Superconducting Cables For AC Applications, 15th International Conference on Magnet Technology, Part 2, pp.1008-1011, 1998.10.
109. K.Kajikawa, M.Iwakuma, K.Funaki, M.Nakamura, H.Shiraishi, D.Sakamoto, T.Matsushita, Y.Hikichi, T.Hasegawa and T.Kumano, Various Types of AC Losses in Ag-Sheathed Bi-2223 Tapes Measured by a Universal Method with a Double-Layer Non-Inductive Sample Coil, 15th International Conference on Magnet Technology, Part 2, pp.1128-1131, 1998.10.
110. M.Iwakuma, T.Sadowara, H.Tanaka, K.Kajikawa, T.Matsushita, K.Funaki, M.Konno, S.Nose, M.Ueyama, K.Hayashi and K.Sato, Frequency Dependence of Ac Losses in Parallel Conductors Composed of Bi2223 Superconducting Wires, 15th International Conference on Magnet Technology, Part 2, pp.1144-1147, 1998.10.
111. H.Matsuoka, M.Izawa, T.Matsushita, K.Kajikawa, M.Iwakuma and K.Funaki, Loss in QMG Processed Y-123 Superconductor due to Ac Current, Advances in Superconductivity X, Vol.1, pp.589-592, 1998.06.
112. M.Iwakuma, M.Okabe, K.Kajikawa, K.Funaki, M.Konno, S.Nose, M.Ueyama, K.Hayashi and K.Sato, Ac Losses in Bi2223 Multifilamentary Wires Exposed to an Magnetic Field Perpendicular to the Wide Surface, Advances in Superconductivity X, Vol.2, pp.833-836, 1998.06.
113. K.Kajikawa, M.Nakamura, M.Iwakuma and K.Funaki, Theoretical Evaluation of Geometrical Errors in AC Loss Measurements Using Pickup-coil Methods, Advances in Superconductivity X, Vol.2, pp.1413-1416, 1998.06.
114. K.Funaki, K.Kajikawa, H.Tomiya, M.Nakamura, M.Iwakuma, S.Miyake and T.Kumano, A Simple Method for Measurement of AC Losses in Superconducting Wires under Configuration of a Double-Layer Non-Inductive Coil, Advances in Cryogenic Engineering, 43, 341-348, Vol.43, Part A, pp.341-348, 1998.04.
115. K.Funaki, M.Iwakuma, K.Kajikawa, M.Takeo, J.Suehiro, M.Hara, K.Yamafuji, M.Konno, Y.Kasagawa, K.Okubo, Y.Yasukawa, S.Nose, M.Ueyama, K.Hayashi and K.Sato, Development of a 500 kVA-class oxide-superconducting power transformer operated at liquid-nitrogen temperature, Cryogenics, 10.1016/S0011-2275(97)00134-3, 38, 2, 211-220, Vol.38, No.2, pp.211-220, 1998.02.