Quench, Normal Zone Propagation Velocity, and the Development of an Active Protection Scheme for a Conduction Cooled, R&W, MgB2 MRI Coil Segment [0.03%]
低温导体棒热传导、正常区传播速度以及主动保护策略的制定用于MRI超导线圈中低温导体棒的研究与发展
D Zhang,M D Sumption,M Majoros et al.
D Zhang et al.
The development of coils that can survive a quench is crucial for demonstrating the viability of MgB2-based main magnet coils used in MRI systems. Here we have studied the performance and quench properties of a large (outer diameter: 901 mm...
Vortex shaking study of REBCO tape with consideration of anisotropic characteristics [0.03%]
考虑各向异性特征的REBCO带材涡振研究
Fgei Liang,Timing Qu,Zhenyu Zhang et al.
Fgei Liang et al.
The second generation high temperature superconductor, specifically REBCO, has become a new research focus in the development of a new generation of high-field (>25 T) magnets. One of the main challenges in the application of the magnets is...
A flux pumping method applied to the magnetization of YBCO superconducting coils: frequency, amplitude and waveform characteristics [0.03%]
用于YBCO超导线圈磁化的通量泵送方法：频率、幅度和波形特征
Lin Fu,Koichi Matsuda,Thibault Lecrevisse et al.
Lin Fu et al.
This letter presents a flux pumping method and the results gained when it was used to magnetize a range of different YBCO coils. The pumping device consists of an iron magnetic circuit with eight copper coils which apply a traveling magneti...
Progresses and challenges in the development of high-field solenoidal magnets based on RE123 coated conductors [0.03%]
基于RE123涂层导体的高场螺线管磁铁的发展进展与挑战
Carmine Senatore,Matteo Alessandrini,Andrea Lucarelli et al.
Carmine Senatore et al.
Recent progresses in the second generation REBa2Cu3O7 - x (RE123) coated conductor (CC) have paved a way for the development of superconducting solenoids capable of generating fields well above 23.5 T, i.e. the lim it of NbTi-N b3Sn-based m...
Turn-to-turn contact characteristics for an equivalent circuit model of no-insulation ReBCO pancake coil [0.03%]
无绝缘ReBCO pancakes线圈等效电路模型的匝间接触特性
Xudong Wang,Seungyong Hahn,Youngjae Kim et al.
Xudong Wang et al.
This paper presents experimental and analytical studies on the characteristic resistance of NI (no-insulation) ReBCO pancake coils, which are used in an equivalent circuit model to characterize 'radial as well as spiral' current paths withi...
A kinetic-inductance-based superconducting memory element with shunting and sub-nanosecond write times [0.03%]
一种旁路结构的超导动力电感存储单元（小于1ns写入时间）
Adam N McCaughan,Emily Toomey,Michael Schneider et al.
Adam N McCaughan et al.
We present a kinetic-inductance-based superconducting memory element with non-destructive readout, femtojoule read and write energies, both read and write shunts, which is writeable with pulses shorter than 400 ps. The element utilizes both...
Adam N McCaughan
Adam N McCaughan
Development of a Persistent Superconducting Joint between Bi-2212/Ag-alloy Multifilamentary Round Wires [0.03%]
基于Bi-2212/Ag合金多 filament圆导体的高稳定性超导接头研发
Peng Chen,Ulf P Trociewitz,Daniel S Davis et al.
Peng Chen et al.
Superconducting joints are one of the key components needed to make Ag-alloy clad Bi2Sr2CaCu2O8+x (Bi-2212) superconducting round wire (RW) successful for high-field, high-homogeneity magnet applications, especially for nuclear magnetic res...
Towards Liquid-Helium-Free, Persistent-Mode MgB2 MRI Magnets: FBML Experience [0.03%]
迈向无液氦恒温层的高温超导磁体：FBML经验
Yukikazu Iwasa
Yukikazu Iwasa
In this article I present our experience at the Magnet Technology Division of the MIT Francis Bitter Magnet Laboratory on liquid-helium (LHe)-free, persistent-mode MgB2 MRI magnets. Before reporting on our MgB2 magnets, I first summarize th...
Conceptual designs of conduction cooled MgB2 magnets for 1.5 and 3.0T full body MRI systems [0.03%]
全身影像磁体中导热冷却的MgB2磁体的概念设计(1.5T和3.0T全身MRI系统)
Tanvir Baig,Abdullah Al Amin,Robert J Deissler et al.
Tanvir Baig et al.
Conceptual designs of 1.5 and 3.0 T full-body magnetic resonance imaging (MRI) magnets using conduction cooled MgB2 superconductor are presented. The sizes, locations, and number of turns in the eight coil bundles are determined using optim...