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Showing 1 to 18 of 18 for “"REBCO"”.
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Flux Pumping for No-Insulation High Temperature Superconducting REBCO Magnets
The high temperature superconducting (HTS) REBCO magnet has many advantages compared to the low temperature superconducting (LTS) magnet, including high operating temperature, high critical current under high magnetic fields, and strong mechanical properties. Due to these excellent properties, HTS …
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Development of REBCO Tapes on Non-Metallic Flexible Substrates for RF Applications
RE-Ba-Cu-O (REBCO, RE = rare earth) films on a flexible, low-cost, and low-thermal-expansion substrate offer a unique advantage for radio-frequency (RF) applications such as surface receiver coils for magnetic resonance imaging (MRI). Second-generation high-temperature superconductors (2G-HTS) are …
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Evaluation of Novel Laser-Skived Microbridges for Improved Characterization of REBCO Superconductor
… (HTS) such as rare earth barium copper oxide (REBCO) are enabling a new generation of large-scale superconducting magnets operating at magnetic fields in excess of 20 T. Characterizing REBCO tape current as a function of temperature (T), magnetic field (B), and magnetic field angle (ϕ) is an …
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Design of demountable toroidal field coils with REBCO superconductors for a fusion reactor
The recent development of REBCO superconducting tapes, cabling methods and joint concepts could be a revolutionary development for magnetic fusion. REBCO has significantly better performance at high magnetic fields than traditional low temperature superconductors (LTS), and can be operated at a …
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The effect of irradiation temperature on REBCO Jc degradation and implications for fusion magnets
… irradiation has an effect on Jc degradation, REBCO coated conductors were irradiated with a 1.2 MeV proton beam at 80 K, 323 K, and 423 K. Proton irradiation at cryogenic temperatures was found to substantially reduce the amount of Jc degradation in the REBCO samples irradiated to high …
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Reel-to-reel Characterization towards Feedback Control in Manufacturing Long REBCO High-Temperature Superconducting Tapes
… for high-volume of uniform and high-performance REBCO tapes. This dissertation focuses on off-line and in-line characterization techniques for assessing the quality of long REBCO tapes. A reel-to-reel magnetization measurement method has been implemented for profiling the off-line critical …
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Structural and Electromagnetic Study of Heavily Doped ZR-Added REBCO Coated Conductors Fabricated by Reel-To-Reel MOCVD
… (CCs) based on epitaxial REBa2Cu3O7-δ (REBCO, RE = rare earth) films with superior mechanical strength and high current carrying capacity are being developed for various large-scale electric power and magnetic applications. The critical current density (Jc) of REBCO coated conductors in …
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Development and Scaling up of Oxide Buffer Architectures on Flexible Substrates for Efficient and Application-Derived Growth of REBCO Thin Films
High-performance REBCO film growth on low-cost, flexible, and scalable metallic substrates is sought for many applications requiring high critical current densities (Jc) with operability over a wide range of magnetic fields of 0–20 T and temperatures of 4.2–77 K. In addition, the growth of …
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Annealing Cryogenically Irradiated High TemperatureSuperconductors with Current Pulses
… (HTS) made of Rare Earth Barium Copper Oxide (REBCO) to confine a thermonuclear grade plasma. The HTS performance must be predictable despite the radiation damage caused by fast neutrons from fusion reactions that damage to the REBCO microstructure, decreasing the magnet’s critical current. …
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DESIGN AND STUDY OF THE IRIS 10 T ENERGY SAVING DIPOLE MAGNET FOR ACCELERATORS: ESMA
… the manufacturing of a new class of conductors: REBCO tapes. Although REBCO was discovered in 1987, tape manufacturing suitable for magnet windings has only recently been optimized. REBCO tapes belong to the class of High Temperature Superconductors (HTS), a class of materials which remain …
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Characterizing and using defects in high-temperature superconductor cables and magnets
… stack of five rare-earth barium copper oxide (REBCO) tapes (each with a critical current of 115.7 A/4 mm-w at 77.3 K, self-field), which can contain a variety of induced defects. Spatially-resolved electric fields are measured with a high-density voltage tap array and absolute current …
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A high-current and low-loss high-temperature superconducting cable for nuclear fusion applications
… The results show that compared with normal REBCO CCs, PSALMs with optimum patterns can reduce AC transport losses by 60\% through field-canceling and can reduce magnetization losses by the factor of the filament number through patterning. This model is then used to simulate long PSALMs which …
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Investigation of cryogenic cooling for a high-field toroidal field magnet used in the SPARC fusion reactor design
Rare Earth Barium Copper Oxide (REBCO) High Temperature Superconducting (HTS) tapes are being considered for the Toroidal Field (TF) magnets of the highly compact, high-field SPARC Version 0 (V0) reactor design. The V0 design is set to operate at magnetic fields as high as 20 T, and operating …
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Analysis of Cryogenic Cooling of Toroidal Field Magnets for Nuclear Fusion Reactors
New developments in REBCO superconducting tape technology have enabled a new class of high-fi eld tokamak fusion reactors. Higher critical temperatures on the order of 20 K allow the magnets to operate under signifi cant thermal loads during the fusion process. As a case study, we look at the …
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Study of high temperature superconducting tapes for applications in high-field magnets and power systems
… and compressive strain of RE − Ba2Cu3O7−σ (REBCO) coated conductors, the CORC® cable is designed as a powerful superconducting cable wound with REBCO coated conductor tapes in multiple layers which can meet these challenging requirements. The Conductor on Round Core (CORC) cable is one …
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3D multi-physics modeling for the DC characterization of high-temperature superconducting Conductor-On-Round-Core cables
L'abstract è presente nell'allegato / the abstract is in the attachment
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Tailoring Superconductor and SOFC Structures for Power Applications
High temperature superconductors (HTS) and solid oxide fuel cells (SOFCs) both offer the possibility for dramatic improvements in efficiency in power applications such as generation, transmission and use of electrical energy. However, production costs and energy losses prohibit widespread adoption …