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High Temperature Superconductor Dipolar for High Magnetic Field Generation – Design and Fabrication Elements

The paper reports the design and realization of a dipolar superconducting electromagnet for high uniformity magnetic field generation, aimed for particle accelerators. The adopted solution for winding distribution is of cosine type. The HTS coils are executed from YBCO tape, 6 mm wide. The mathematical model and numerical, finite element (FEM) analysis was performed for model optimization. First, was addressed the magnetic field problem, as the main purpose of the HTS electromagnet is to provide for a highly uniform (10-3), high flux density magnetic field (~2.5 T). The study is based on a three dimensional computational domain that was CAD-designed for the prototype. The numerical simulation results unveil the magnetic field, which is valuable in optimizing the electromagnet design and assessing its magnetic field fingerprint. The electrodynamic forces are of concern to the mechanical stability of the HTS winding, and numerical simulation is used to evaluate their spectrum and to predict the regions of higher concentration.

Author(s):

Ion DOBRIN    
ICEP-CA, Bucharest
Romania

Alexandru M. MOREGA    
University POLITENICA of Bucharest, Bucharest
Romania

Dan ENACHE    
ICPE-CA, Bucharest
Romania

Andrei DOBRIN    
University POLITENICA of Bucharest, Bucharest
Romania

Mihaela MOREGA    
University POLITENICA of Bucharest, Bucharest
Romania

Alin DOBRE    
ICPE-CA, Bucharest
Romania

Iuliu POPOVICI    
ICPE-CA, Bucharest
Romania