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Design of halbach cylinders: a cost evaluation framework.

Number: 0010

Author(s) : NEVES E. F., MICHEL H. C. C., ROCHA T. T. M., CÂMARA M. A., BRAGA C. M. P., DE FARIA A. L. P., TREVIZOLI P. V.

Summary

The Halbach cylinder is a commonly used permanent magnet configuration with applications ranging from medical devices to industrial equipment, including thermomagnetic conversion systems such as Active Magnetic Regenerators and Thermomagnetic Motors. These applications often demand either static or variable magnetic fields with high intensity across large gaps. Therefore, key design considerations include magnetic field strength and volume, as well as magnet material usage and associated costs. In partnership with CIT SENAI-ITR, a NdFeB magnet manufacturer, this work has the objective of evaluating Halbach cylinder designs through a cost-optimization approach. A simplified validated mathematical model is employed to analyze various geometries. Each configuration is assessed not only for magnetic field metrics but also in terms of material cost, based on real market pricing. The proposed approach may support the development of efficient and economically viable Halbach configurations for practical applications.
 

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Pages: 12 p.

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Details

  • Original title: Design of halbach cylinders: a cost evaluation framework.
  • Record ID : 30035054
  • Languages: English
  • Source: 11th IIR Conference on Solid-State Cooling, Heating and Energy Harvesting.
  • Publication date: 2026/06/07
  • DOI: http://dx.doi.org/10.18462/iir.thermag.2026.0010

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