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Naoyuki Amemiya

Naoyuki Amemiya

D-Index & Metrics

Engineering and Technology

D-Index
35
Citations
5540
World Ranking
8947
National Ranking
198

Overview

Naoyuki Amemiya is affiliated with Kyoto University in Japan and has contributed to the fields of Engineering and Physics and Astronomy through extensive research and publications. Their expertise spans various subfields, including Condensed Matter Physics, Electrical and Electronic Engineering, Biomedical Engineering, Electronic, Optical and Magnetic Materials, and Aerospace Engineering.

The main topics covered in their research focus on the physics of superconductivity and magnetism, superconducting materials and applications, magnetic properties and applications, particle accelerators and beam dynamics, HVDC systems and fault protection, electric motor design and analysis, and particle accelerators and free-electron lasers.

Amemiya's recent notable papers include the following:

  • Effective reduction of magnetisation losses in copper-plated multifilament coated conductors using spiral geometry (2021) published in Superconductor Science and Technology
  • Coupling time constants and ac loss characteristics of spiral copper-plated striated coated-conductor cables (SCSC cables) (2020) published in Superconductor Science and Technology
  • Magnets for a Muon Collider-Needs and Plans (2024) published in IEEE Transactions on Applied Superconductivity
  • Finite-Element Analysis for Magnetic Flux in End Region of Synchronous Machine Using End-Winding Model (2020) published in IEEE Transactions on Magnetics
  • Impact of Copper Thickness, Conductor Width, and Number of Striations on Coupling Loss Characteristics of Copper-Plated Multifilament-Coated Conductors (2022) published in IEEE Transactions on Applied Superconductivity

The scientist frequently publishes in venues such as IEEE Transactions on Applied Superconductivity, Superconductor Science and Technology, TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), IEEE Transactions on Magnetics, and Superconductivity.

  • IEEE Transactions on Applied Superconductivity
  • Superconductor Science and Technology
  • TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
  • IEEE Transactions on Magnetics
  • Superconductivity

Amemiya collaborates regularly with researchers such as Yusuke Sogabe, Mao Shigemasa, T. Ogitsu, Zhenan Jiang, and Satoshi Yamano.

  • Yusuke Sogabe
  • Mao Shigemasa
  • T. Ogitsu
  • Zhenan Jiang
  • Satoshi Yamano

Best Publications

  • Numerical modelings of superconducting wires for AC loss calculations

    Naoyuki Amemiya;Shun-ichi Murasawa;Nobuya Banno;Kengo Miyamoto

  • AC loss reduction of YBCO coated conductors by multifilamentary structure

    Naoyuki Amemiya;Satoshi Kasai;Keiji Yoda;Zhenan Jiang

  • Dynamic resistance of a high-Tc superconducting flux pump

    Zhenan Jiang;K. Hamilton;Naoyuki Amemiya;R. A. Badcock

  • Magnetic field generated by shielding current in high T c superconducting coils for NMR magnets

    Naoyuki Amemiya;Ken Akachi

  • Design of a superconducting rotating gantry for heavy-ion therapy

    Y. Iwata;K. Noda;T. Shirai;T. Murakami

  • Dynamic resistance of a high-T c coated conductor wire in a perpendicular magnetic field at 77 K

    Zhenan Jiang;Ryuki Toyomoto;Naoyuki Amemiya;Xingyou Zhang

  • Numerical analysis of AC losses in high T/sub c/ superconductors based on E-j characteristics represented with n-value

    N. Amemiya;K. Miyamoto;N. Banno;O. Tsukamoto

  • Finite element analysis of AC loss in non-twisted Bi-2223 tape carrying AC transport current and/or exposed to DC or AC external magnetic field

    Naoyuki Amemiya;Kengo Miyamoto;Shun-ichi Murasawa;Hideki Mukai

  • An experimental method for total AC loss measurement of high Tc superconductors

    Z Jiang;N Amemiya

  • Impact of flux gap upon dynamic resistance of a rotating HTS flux pump

    Zhenan Jiang;Chris W Bumby;Rodney A Badcock;Hae-Jin Sung

  • Three-dimensional model for numerical electromagnetic field analyses of coated superconductors and its application to Roebel cables

    Masahiro Nii;Naoyuki Amemiya;Taketsune Nakamura

  • Trial Test of Fully HTS Induction/Synchronous Machine for Next Generation Electric Vehicle

    D. Sekiguchi;T. Nakamura;S. Misawa;H. Kitano

  • AC Loss Reduction of Superconducting Power Transmission Cables Composed of Coated Conductors

    N. Amemiya;Jiang Zhenan;M. Nakahata;M. Yagi

  • Influence of Longitudinal Magnetic Field on Thermomagnetic Instabilities in a.c. Superconducting Cables

    N. Amemiya;I. Hlásnik;O. Tsukamoto

  • The dynamic resistance of YBCO coated conductor wire: Effect of DC current magnitude and applied field orientation

    Zhenan Jiang;Wei Zhou;Wei Zhou;Quan Li;Min Yao

  • The dependence of AC loss characteristics on the space in stacked YBCO conductors

    Zhenan Jiang;Naoyuki Amemiya;Kazuomi Kakimoto;Yasuhiro Iijima

  • Mode of magnetic flux penetration into high Tc superconductors with various cross-sectional shape and their AC loss characteristics

    Naoyuki Amemiya;Yoshiyuki Ohta

  • AC loss simulation in a HTS 3-Phase 1 MVA transformer using H formulation

    Wenjuan Song;Wenjuan Song;Zhenan Jiang;Xingyou Zhang;Mike Staines

  • Numerical Modeling of Dynamic Loss in HTS-Coated Conductors Under Perpendicular Magnetic Fields

    Quan Li;Min Yao;Zhenan Jiang;Chris W. Bumby

  • Model for electromagnetic field analysis of superconducting power transmission cable comprising spiraled coated conductors

    Katsutoku Takeuchi;Naoyuki Amemiya;Taketsune Nakamura;Osamu Maruyama

  • Alternating current loss characteristics of a Roebel cable consisting of coated conductors and a three-dimensional structure

    Naoyuki Amemiya;Tadaaki Tsukamoto;Masahiro Nii;Takashi Komeda

  • Tremendous Enhancement of Torque Density in HTS Induction/Synchronous Machine for Transportation Equipments

    Taketsune Nakamura;Yoshitaka Itoh;Masaaki Yoshikawa;Tatsuo Nishimura

  • Electromagnetic field analysis of rectangular superconductor with large aspect ratio in arbitrary orientated magnetic fields

    N. Enomoto;T. Izumi;N. Amemiya

  • Influence of current re-distribution and thermal diffusion among strands on stability of superconducting cables against local disturbances

    N. Amemiya;K. Ryu;T. Kikuchi;O. Tsukamoto

  • Magnetisation and field quality of a cosine-theta dipole magnet wound with coated conductors for rotating gantry for hadron cancer therapy

    Naoyuki Amemiya;Yusuke Sogabe;Masaki Sakashita;Yoshiyuki Iwata

  • Numerical calculation of AC losses in multi-layer superconducting cables composed of coated conductors

    Zhenan Jiang;Naoyuki Amemiya;Masaaki Nakahata

Frequent Co-Authors

Rodney A. Badcock
Rodney A. Badcock Victoria University of Wellington
Kozo Osamura
Kozo Osamura Kyoto University
Satoshi Awaji
Satoshi Awaji Tohoku University
Jun-ichi Shimoyama
Jun-ichi Shimoyama Aoyama Gakuin University
David J. Singh
David J. Singh University of Missouri

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