Remountable high temperature superconducting magnet

Page 1 : Remountable HTS magnet
Page 2 : Mechanical joint of a HTS conductor
Page 3 : Heat transfer enhancement of LN2 with metal porous media
Page 4 : Other superconducting applications

Page 5 : Published papers

Publised Papers and conference proceedings

• Numerical and Experimental Evaluations of the Quench Detection Performance of a YBCO/Nb-Ti_d Tape,
  [IEEE Transactions on Applied Superconductivity, 28(3) (2018), 4700605.]
  S. Hasegawa, S. Ito, H. Hashizume
• Advanced high-temperature superconducting magnet for fusion reactors: Segment fabrication and joint technique,
  [Fusion Engineering and Design, accepted for publication.]
  S. Ito, H. Hashizume, N. Yanagi, T. Tamura
• Bending Characteristic of a Bridge-Type Mechanical Lap Joint of REBCO Tapes,
  [IEEE Transactions on Applied Superconductivity, 27(4) (2017), 4600105.]
  S. Ito, T. Nishio, H. Hashizume
• Heating and Loading Process Improvement for Indium Inserted Mechanical Lap Joint of REBCO Tapes,
  [IEEE Transactions on Applied Superconductivity, 27(4) (2017), 4603305.]
  T. Nishio, S. Ito, H. Hashizume
• Evaluation of Interface and Cohesion Shear Strength of Mechanical Lap-Joint Between HTS Coated Conductors Intended for Segmented HTS Magnet,
  [Fusion Science and Technology (Technical note), accepted for publication.]
  L. E. Aparicio F., S. Ito, H. Hashizume
• Development of remountable joints and heat removable techniques for high-temperature superconducting magnets,
  [Nuclear Fusion 58 (2017), 026014.]
  H. Hashizume, S. Ito, N. Yanagi, H. Tamura, A. Sagara
• Magnet design with 100-kA HTS STARS conductors for the helical fusion reactor,
  [Cryogenics, 80(2) (2016), 243-249.]
  N. Yanagi, Y. Terazaki, S. Ito, H. Tamura, S. Hamaguchi, T. Mito, H. Hashizume, A. Sagara
• Design Status of the Structural Components of the Helical Fusion Reactor FFHR-d1,
  [Plasma and Fusion Research, 11 (2016), 2405061.]
  H. Tamura, T. Tanaka, T. Goto, N. Yanagi, J. Miyazawa, S. Masuzaki, R. Sakamoto, A. Sagara, S. Ito, H. Hashizume, the FFHR Design Group
• Evaluation of Shear Strength in Soldered and Mechanical Lap joints of High-Temperature Superconducting tapes Intended for a Remountable Magnet,
  [Plasma and Fusion Research, 11 (2016), 2405065.]
  L. Aparicio, S. Ito, H. Hashizume
• Structure and magnetic field dependences of joint resistance in a mechanical joint of REBCO tapes,
  [IEEE Transactions on Applied Superconductivity, 26(4) (2016), 6601505.]
  S. Ito, Y. Seino, T. Nishio, H. Oguro, H. Hashizume
• Reducing joint resistance by heat treatment during fabrication of a mechanical joint of high-temperature superconducting conductors,
  [IEEE Transactions on Applied Superconductivity, 26(4) (2016), 4800505.]
  T. Nishio, S. Ito, N. Yusa, H. Hashizume
• Multiscale Stress Analysis and 3D Fitting Structure of Superconducting Coils for the Helical Fusion Reactor,
  [IEEE Transactions on Applied Superconductivity, 26(3) (2016), 4202405.]
  H. Tamura, N. Yanagi, K. Takahata, A. Sagara, S. Ito, H. Hashizume
• Mechanical and Electrical Characteristics of a Bridge-type Mechanical Lap Joint of HTS STARS Conductors,
  [IEEE Transactions on Applied Superconductivity, 26(2) (2016), 4201510.]
  S. Ito, N. Yusa, N. Yanagi, H. Tamura, A. Sagara, H. Hashizume
• Fundamental Investigation on Tensile Characteristics of a Mechanical Lap Joint of REBCO Tapes,
  [IEEE Transactions on Applied Superconductivity, 25(3) (2015), 4201205.]
  S. Ito, H. Oguro, H. Tamura, N. Yanagi, H. Hashizume
• Investigation of Influences of Film Resistance and Magnetic Field on Contact Resistance in a Mechanical Lap Joint of a GdBCO tapes,
  [IEEE Transactions on Applied Superconductivity, 25(3) (2015), 6603405.]
  Y. Seino, S. Ito, H. Oguro, H. Hashizume
• Measurement and Analysis of Critical Current of 100-kA Class Simply-Stacked HTS Conductors,
  [IEEE Transactions on Applied Superconductivity, 25(3) (2015), 4602905.]
  Y. Terazaki, N. Yanagi, S. Ito, Y. Seino, S. Hamaguchi, H. Tamura, T. Mito, H. Hashizume, A. Sagara
• Design and development of high-temperature superconducting magnet system with joint-winding for the helical fusion reactor,
  [Nuclear Fusion, 55 (2015), 053021(7pp).]
  N. Yanagi, S. Ito, Y. Terazaki, Y. Seino, S. Hamaguchi, H. Tamura, J. Miyazawa, T. Mito, H. Hashizume, A. Sagara
• Novel divertor design to mitigate neutron irradiation in the helical reactor FFHR-d1,
  [Fusion Engineering and Design, 98-99 (2015), 1629-1633.]
  H. Tamura, T. Tanaka, T. Goto, J. Miyazawa, S. Masuzaki, T. Watanabe, N. Yanagi, A. Sagara, S. Ito, H. Hashizume
• Steady and Transient Thermal Analyses on a Segmented High-Temperature Superconducting Magnet With Porous Media-Inserted Cryogenic Cooling,
  [Fusion Science and Technology, 68(2) (2015), 428-432.]
  S. Ito, H. Hashizume
• Overview of the Fusion Engineering in Japan,
  [Fusion Science and Technology, 68(2) (2015), 201-210.]
  H. Hashizume, T. Nishitani, S. Konishi, Y. Ueda, S. Fukada, A. Sagara
• Characteristic Evaluation of Cooling Technique using Liquid Nitrogen and Metal Porous Media,
  [Advances in Cryogenic Engineering, AIP conf. Proc. 1573, (2014), 597-604.]
  Y. Tanno, S. Ito, H. Hashizume
• Bridge-Type Mechanical Lap Joint of a 100 kA-Class HTS Conductor having Stacks of GdBCO Tapes,
  [Plasma and Fusion Research, 9 (2014), 3405086.]
  S. Ito, Y. Seino, N. Yanagi, Y. Terazaki, A. Sagara, H. Hashizume
• Design prospect of remountable high-temperature superconducting magnet,
  [Fusion Engineering and Design, 89(9-10) (2014), 2241-2245.]
  H. Hashizume, S. Ito
• Feasibility of HTS Magnet Option for Fusion Reactors,
  [Plasma and Fusion Research, 9 (2014), 1405013.]
  N. Yanagi, S. Ito, Y. Terazaki, K. Natsume, H. Tamura, S. Hamaguchi, T. Mito, H. Hashizume, J. Morikawa, Y. Ogawa, M. Iwakuma, A. Sagara
• Performance of a Mechanical Bridge Joint for 30-kA-class High-temperature Superconducting Conductors,
  [IEEE Transactions on Applied Superconductivity, 24(3) (2014), 4602305]
  S. Ito, K. Kawai, Y. Seino, T. Ohinata, Y. Tanno, N. Yanagi, Y. Terazaki, K. Natsume, S. Hamaguchi, H. Noguchi, H. Tamura, T. Mito, A. Sagara, H. Hashizume
• Joint Resistance Characteristics of Mechanical Lap Joint of a GdBCO Tape with a Change in Temperature and Magnetic Field,
  [IEEE Transactions on Applied Superconductivity, 24(3) (2014), 4602105.]
  Y. Seino, S. Ito, H.Hashizume
• Progress of the Design of HTS Magnet Option and R&D Activities for the Helical Fusion Reactor,
  [IEEE Transactions on Applied Superconductivity, 24(3) (2014), 4202805.]
  N. Yanagi, Y. Terazaki, S. Ito, K. Kawai, Y. Seino, T. Ohinata, Y. Tanno, K. Natsume, S. Hamaguchi, H. Noguchi, H. Tamura, T. Mito, H. Hashizume, A. Sagara
• Critical current measurement of 30 kA class HTS conductor samples,
  [IEEE Transactions on Applied Superconductivity, 24(3) (2014), 4801305.]
  Y. Terazaki, N. Yanagi, S. Ito, K. Kawai, Y. Seino, T. Ohinata, Y. Tanno, K. Natsume, S. Hamaguchi, H. Noguchi, H. Tamura, T. Mito, H. Hashizume, A. Sagara
• Optimization of a Mechanical Bridge Joint Structure in a Stacked HTS Conductor,
  [IEEE Transactions on Applied Superconductivity 23(3) (2013), 4801704]
  K. Kawai, S. Ito, Y. Seino, N. Yanagi, H. Tamura, A. Sagara, H. Hashizume
  
• Structure improvement and joint resistance estimation in demountable butt and edge joints of a stacked REBCO conductor within a metal jacket,
  [IEEE Transactions on Applied Superconductivity 23(3) (2013), 4802408]
  S. Ito, T. Ohinata, L. Bromberg, H. Hashizume
  
• Transverse Stress Effects on Critical Current and Joint Resistance in Mechanical Lap Joint of a Stacked HTS Conductor,
  [IEEE Transactions on Applied Superconductivity 22(3) (2012), 6400204]
  S. Ito, H. Hashizume
  
• Measurement of the joint resistance of large-current YBCO conductors,
  [Plasma and Fusion Research 7 (2012), 2405027]
  Y. Terazaki, N. Yanagi, S. Tomida, H. Noguchi, K. Natsume, T. Mito, S. Ito, H. Hashizume, A. Sagara
  
• Fundamental evaluation of joint resistance in mechanical butt joint of a stacked GdBCO conductor,
  [Plasma and Fusion Research 7 (2012), 2405045]
  T. Ohinata, S. Ito, H. Hashizume
  
• Proposal of electrical edge joint for a demountable high-temperature superconducting magnet,
  [IEEE Transactions on Plasma Science 40(5) (2012), 1446-1452]
  S. Ito, L. Bromberg, M. Takayasu, J. Minervini, H. Hashizume
  
• Investigation of an optimum structure for mechanical butt joint of a stacked HTS cable with a metal jacket,
  [IEEE Transactions on Applied Superconductivity, 21 (2011), 1995-1999]
  S. Ito, H. Hashizume
  
• Status of High Temperature Superconducting Fusion Magnet Development,
  [Fusion Science and Technology, 60(2), 2011, 635-642]
  L. Bromberg, H. Hashizume, S. Ito, J. V. Minervini, N. Yanagi
  
• Effect of Thermal Strain on the Mechanical Butt Joint of a Stacked HTS Cable with a Metal Jacket,
  [IEEE Transactions on Applied Superconductivity, 20(3) (2010) 1747-1750.]
  S. Ito, T. Sakashita, H. Hashizume.
  
• Improvement of Joint Structure for Mechanical Butt Joint of Stacked BSCCO 2223 Cable,
  [IEEE Transactions on Applied Superconductivity, 20(3) (2010) 1751-1754.]
  T. Sakashita, S. Ito, H. Hashizume.
  
• Mechanical butt joint of laminated HTS cable with metal jacket for remountable HTS magnet,
  [IEEE Transactions on Applied Superconductivity 19 (2009), 1536-1539]
  S. Ito, T. Kato, H. Hashizume.
  
• Advanced cryogenics cooling technique using metal porous media with liquid nitrogen,
  [Proceedings of ICEC 22-ICMC,(2009)]
  K. Moniwa, S. Ito, K. Yuki, H. Hashizume.
  
• Mechanical butt joint of HTS cable with DFRP forremountable HTS magnet,
  [Proceedings The 16th Pacific Basin NuclearConference, (2008)]
  S. Ito, H. Hashizume.
  
• Characteristic evaluation of mechanical jointed HTS cable for remountable HTS magnets,
  [Fusion Science and Technology 52(4) (2007), 1070-1074]
  S. Ito, S. Takami, H. Hashizume, Y. Yamamoto, K. Yuki, A. Sagara.
  
• Evaluation of HTS butt-jointing performance, focusing on the joint stress distribution,
  [International Journal of Applied Electromagnetics and Mechanics 25(1) (2007), 281-286]
  S. Takami, H. Hashizume, S. Ito, Y. Yamamoto .
  
• Effect of surface angle on mechanical jointing of HTS,
  [International Journal of Applied Electromagnetics and Mechanics 25(1) (2007), 257-260]
  Y. Yamamoto, S. Takami, S. Ito, K. Yuki, H. Hashizume.
  
• Overview of fundamental study on remountable HTS magnet,
  [Fusion Engineering and Design 81 (2006), 2527-2533]
  S. Ito, H. Hashizume .
  
• Butt jointing performance for remountable HTS magnet by improving contact surfacecondition,
  [Fusion Engineering and Design 81 (2006), 1491-1496]
  S. Ito, H. Hashizume, K. Yuki, S. Takami, Y. Yamamoto.
  
• Joint performance of HTc superconductor for remountable magnet system,
  [Fusion Science and Technology 47(4) (2005), 901-905]
  H. Hashizume, S. Ito, S. Takami, A. Sagara.
  
• Performance analysis of butt jointing in remountable HTc superconducting magnet,
  [International Journal of Applied Electromagnetics and Mechanics 19 (2004), 467-472]
  S.Ito, H. Hashizume, T.Yamauchi .
  
• Depedence of Joinitng Resistance on Trasnport Current in HTc SC Tape,
  [Third JNZ Joint Seminar,(2004),31]
  S. Ito, H. Hashizume.
  
• Progress in Butt Jointing Perfomance for Remountable HTc SC Magnet,
  [Third JNZ Joint Seminar,(2004),27]
  S. Takami, H. Hashizume, S. Itoh, K. Yuki .
  
• Proposal of mechanically jointed superconducting magnet using high critical temperarure superconductors,
  [Fusion Engineering and Design,63,(2002),449-454]
  H. Hashizume, S.Ito, K.Yagi, S.Kitajima .
  
• Advanced fusion reactor design using remountable HTc S.C. magnet,
  [J. Plasma Fusion Res. SERIES,5,(2002),532-536]
  H. Hashziume, S. Kitajima, S.Ito, K. Yagi, Y. Usui, Y. Hida.
  
• Study on mechanical jointing of high temperature superconductors,
  [International Jpurnal of Apllied Electromagnetics and Mechanics,14,(2001),85-88]
  S.Ito, H.Hashizume, S.Kitajima.