Design Overview of a Toroidal Fast-Field Cycling electromagnet | Zendy

João Cunha | Zendy; Pedro J. Sebastião | Zendy; António Roque | Zendy; V. Silva | Zendy; Duarte M. Sousa | Zendy

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Design Overview of a Toroidal Fast-Field Cycling electromagnet

Author(s) -

João Cunha,

Pedro J. Sebastião,

António Roque,

V. Silva,

Duarte M. Sousa

Publication year - 2021

Publication title -

renewable energy and power quality journal

Language(s) - English

Resource type - Journals

ISSN - 2172-038X

DOI - 10.24084/repqj19.296

Subject(s) - electromagnet , multiphysics , magnet , toroid , software portability , nuclear engineering , mechanical engineering , materials science , magnetic field , field (mathematics) , nuclear magnetic resonance , usability , homogeneity (statistics) , electrical engineering , engineering , computer science , finite element method , physics , structural engineering , nuclear physics , mathematics , human–computer interaction , pure mathematics , plasma , quantum mechanics , machine learning , programming language

In this paper, the design and development of a novel Fast-Field Cycling (FFC) Nuclear Magnetic Resonance (NMR) relaxometer’s electromagnet is described. This magnet is tailored to increase the relaxometers’s usability, by increasing its portability capacities. It presents a compact toroidal shaped iron core, allowing to operate in a field range of 0 to 0.21 T, with high field homogeneity (less than 800 ppm in a volume of ≈ 0.57 cm3 ), low power consumption and reduced losses (about 40W). The simulation software COMSOL Multiphysics® is used to characterize the induced magnetic field, the heating and the cooling effects. The proposed optimized layout constitutes an innovative solution for FFC magnets.

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