Zobrazeno 1 - 10 of 92 pro vyhledávání: '"Kenji Tasaki"'
1
Evaluation of Seismic Performance and Proposing the Reinforcement Methods for the Bridge with Rocking Piers Penetrating the Railway Platform
Autor: Taiki Giga, Mitsuya Nagasawa, Masahiro Hattori, Naoya Sugiyama, Kenji Tasaki, Ryoji Tokuhashi, Tatsuo Sasaki, Koji Oniki
Publikováno v: IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures.
Among the notable damage to the expressway in the 2016 Kumamoto earthquake is the collapse of bridges with rocking piers. If the hinges of the rocking piers are damaged by an unexpected earthquake, the entire bridge system may collapse because bridge
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7783d392dead3dc7e44c186a26774913
https://doi.org/10.2749/prague.2022.0637
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3
Design and Test Results of a Cryogenic Cooling System for a 25-T Cryogen-Free Superconducting Magnet
Autor: Shigeru Ioka, H. Takigami, Satoshi Awaji, Sadanori Iwai, Yuji Tsuchiya, Hiroshi Miyazaki, Taizo Tosaka, Kenji Tasaki, Hidetoshi Oguro, Kazuo Watanabe, Masahiko Takahashi, Satoshi Hanai
Publikováno v: IEEE Transactions on Applied Superconductivity. 27:1-5
A cryogenic cooling system for a 25-T cryogen-free superconducting magnet (25T-CSM) was developed. The 25T-CSM consisted of 11-T high-Tc superconducting (HTS) coils and 14 T low-Tc superconducting (LTS) coils. The HTS coils, which had about 10-W AC-l
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3836024128478b3107a851643c1f947b
https://doi.org/10.1109/tasc.2017.2673762
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5
Screening-Current-Induced Magnetic Field of Conduction-Cooled HTS Magnets Wound With REBCO-Coated Conductors
Autor: Kenji Tasaki, Tsutomu Kurusu, Hiroshi Ueda, Tatsuro Uto, Hidenao Fukuyama, Shin-ichi Urayama, Sadanori Iwai, Shunji Nomura, Masahiko Takahashi, Hiroshi Miyazaki, So Noguchi, Yasumi Otani, Atsushi Ishiyama, Taizo Tosaka
Publikováno v: IEEE Transactions on Applied Superconductivity. 27:1-5
Superconducting magnets for magnetic resonance imaging systems require homogeneous, stable magnetic fields. The homogeneity of the magnetic field is highly dependent on the coils shape and positions. Furthermore, in REBa2 Cu3O7−δ (REBCO) magnets,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6ea2cce97a544dcfddac33b7cdab4d9
https://doi.org/10.1109/tasc.2017.2657636
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6
Fabrication and Excitation of a Model Magnet Using Coated Conductors for Spiral Sector FFAG Accelerators
Autor: Tsutomu Kurusu, Kei Koyanagi, Kenji Tasaki, Naoyuki Amemiya, Shigeki Takayama, Yoshiyuki Iwata, Yoichi Kubo, Toru Ogitsu, T. Orikasa, Yusuke Ishii
Publikováno v: IEEE Transactions on Applied Superconductivity. 27:1-5
With the aim of verifying the winding technology required for fixed-field alternating gradient (FFAG) accelerator magnets, and also to verify the magnetic field accuracy as compared with the designed field distribution, a reduced-size test magnet, re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12979a42c6d381906029af43e0a7c37a
https://doi.org/10.1109/tasc.2017.2668067
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7
Progress in the Development of Conduction-Cooled REBCO Magnets for Ultrahigh-Field MRI Systems
Autor: Kenji Tasaki, Hiroshi Ueda, Hiroshi Miyazaki, So Noguchi, Shunji Nomura, Hidenao Fukuyama, Masahiko Takahashi, Yasumi Otani, Atsushi Ishiyama, Tsutomu Kurusu, Sadanori Iwai, Tatsuro Uto, Taizo Tosaka, Shin Ichi Urayama
Publikováno v: IEEE Transactions on Applied Superconductivity. 27:1-5
We started developing REBa 2 Cu 3 O 7-δ (REBCO) magnets for ultrahigh-field magnetic resonance imaging (MRI) systems in 2013. Our final targets are 9.4 T MRI systems for whole-body and brain imaging. In this paper, a conduction-cooled 1.5 T REBCO MR
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9324409f9f72cf9c392eec2af1e4cd94
https://doi.org/10.1109/tasc.2017.2656858
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9
Thermal Stability of Conduction-Cooled HTS Magnets for Rotating Gantry
Autor: Shigeki Takayama, Kei Koyanagi, K. Suzuki, Taizo Tosaka, Kenji Tasaki, Yoshiyuki Iwata, Tsutomu Kurusu, Toru Ogitsu, K. Noda, Naoyuki Amemiya, Y. Ishii
Publikováno v: IEEE Transactions on Applied Superconductivity. 26:1-4
Carbon ion cancer therapy is becoming more widespread due to its high curative effects and low burden on patients. In particle cancer therapy, it is desirable that the treatment beam irradiates the tumor from different directions in order to reduce t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe5f509414c64696c507d12d26408a30
https://doi.org/10.1109/tasc.2016.2543466
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10
Experimental Results of Screening-Current Field With 10-T Class Small REBCO Coil
Autor: Atsushi Ishiyama, Hidenao Fukuyama, Hiroshi Ueda, Tsutomu Kurusu, Shin Ichi Urayama, Kenji Tasaki, Sadanori Iwai, So Noguchi, Hiroshi Miyazaki, Y. Ohtani, S. Nomura, Taizo Tosaka
Publikováno v: IEEE Transactions on Applied Superconductivity. 26:1-5
A REBCO-coated conductor has a tape shape and is suitable for forming a stack of single pancakes for generating a high magnetic field. However, the magnetic flux going through the tape surface causes a screening current, which reduces the magnetic fi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36a5ce46b11efe5196e3f18514be5c56
https://doi.org/10.1109/tasc.2016.2530301
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