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Xiaorong Wang (Lawrence Berkeley National Laboratory)17/11/2021, 10:30Invited Poster
A dipole magnet generating 20 T and beyond will require high-temperature superconductors such as Bi$_2$Sr$_2$CaCu$_2$O$_{8−x}$ (Bi-2212) and REBa$_2$Cu$_3$O$_{7-x}$ (RE = rare earth, REBCO). Symmetric tape round (STAR™) wires based on REBCO tapes are emerging for such an application especially because of their unique tolerance to bending to a radius as small as 15 mm. Although STAR™ wires...
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XU HANG17/11/2021, 10:30Poster
Generally, electromagnet equipment such as an electric transformer is designed with the air-gap as narrow as possible for assuming that the magnetic flux in the air-gap does not spread. Therefore, it is possible to design the electromagnet equipment using the magnetic circuit theorem. However, the other electromagnet, such as a high-frequency electromagnet for magnetic hyperthermia, some...
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Jose Luis Rudeiros Fernandez (LBNL)17/11/2021, 10:30Poster
Stress management techniques have shown great potential to mitigate the high level of stress appearing in high field accelerator magnets, which is especially critical for stress-strain sensitive superconductors, such as Nb3Sn or HTS. The Canted-Cosine-Theta (CCT) concept provides an effective method to intercept the Lorentz forces of each turn, leading to a lower stress accumulation...
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Gueorgui Velev (FNAL)17/11/2021, 10:30Poster
Fermi National Accelerator Laboratory (Fermilab) is building a new High Field Vertical Magnet Test Facility (HFVMTF) with a capability similar to the European facilities EDIPO and FRESCA2. This facility will be located at Fermilab. The background magnetic field of 15 T in the HFVMTF will be produced by a magnet provided by LBNL. This facility will serve two US national programs within the DOE...
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Yongliang Zhang (Chinses Academy of Science)17/11/2021, 10:30Poster
Whole body ultra-magnetic field 14 T magnetic resonance imag-ing (MRI) magnet is now under design at Institute of Plasma Physics, Chinese Academy of Sciences, the main coil based on the preliminary designed of Nb3Sn Rutherford cable in Channel Conductor (RICC). Rutherford cable is a core components of the conductor. During cabling the strands are inevitably experience plastic deformation that...
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Dr Zhan Zhang17/11/2021, 10:30Poster
Iron-based superconductors (IBSs) with their ultrahigh upper critical fields and low anisotropies have been expected for the high-field application in the future. In previous studies, the 7-filamentary Ba1-xKxFe2As2 (Ba122) tape which was produced by the Institute of Electrical Engineering, Chinese Academy of Sciences (IEE-CAS) was proven to be applicable to fabricate the high filed insert...
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Ling Zhao (Institute of High Energy Physics, Chinese Academy of Sciences)17/11/2021, 10:30Poster
An aluminium stabilized superconducting cable is developed for the Circular Electron Positron Collider(CEPC) detector magnet. In order to measure the critical current of the prototype cable, an inductive method is developed: the cable is closed in a low resistance loop forming the secondary coil of a transformer, while the 6 Tesla background magnet serves as the primary.
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The critical current... -
Aihua Xu (institute of plasma physics Chinese academy of sciences)17/11/2021, 10:30Poster
China Fusion Engineering Test Reactor (CFETR), a new tokamak device, is under concept design based on the experience of Experimental Advanced Superconducting Tokamak (EAST) and ITER. Research and development of TF coil for CFETR is carried out by ASIPP. TF coil is winding by Cable in-Conduit Conductor (CICC). Main manufacturing process of CICC includes welding of jacket, draw lead, winding and...
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355. Persistent current mode operation of a cryocooler-cooled joint-less HTS magnet (WED-PO2-723-09)Ms Miyeon Yoon (Korea Polytechnic University)17/11/2021, 10:30Poster
A joint-less winding method uses second-generation (2G) high-temperature superconductors (HTS) to make an HTS magnet for persistent current mode operation without superconducting joint. Starting with simple double pancake HTS coil wound, we have tried to make and test various types of the joint-less HTS coils. Most recently, a prototype of a concentrically arranged joint-less magnet was made...
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Xabier Sarasola (EPFL-SPC)17/11/2021, 10:30Poster
EDIPO 2 (the upgraded EDIPO test facility) will provide a unique testbed for superconducting cables for fusion magnets, accelerators, and other applications. Compared to the previous magnet assembly, the magnetic field is enhanced from 12.35 T to 15 T, the aperture is enlarged from 90×141 mm2 to 144×144 mm2 and the uniform field length is increased from 680 mm to 1000 mm...
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Konstantinos Bouloukakis (Victoria University of Wellington)17/11/2021, 10:30Poster
We have previously demonstrated proof-of-concept no-insulation style coils wound with a heavily filled conductive epoxy resin system. This epoxy resin system appears to eliminate REBCO delamination, and also allows for tuneable contact resistance between turns. The coils we have reported to date are small coils with an ID of approximately 25 mm and an OD of approximately 50 mm with an...
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