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Performance analysis of magnetic refrigeration systems using nanofluids.

Number: 0005

Author(s) : MISALE M., SCARPA F., BOCANEGRA J. A.

Summary

The efficiency of magnetic refrigeration systems, a sustainable alternative to conventional cooling technologies, depends heavily on the heat transfer fluid. This work analyzes an active magnetic regenerator that uses a 30% mass mixture of water and propylene glycol, subsequently enriched with various nanoparticles (Al₂O₃, CuO, fused-SiO₂, TiO₂, α-SiO₂, ZnO, SiC). The thermophysical properties of the nanofluids were determined using empirical correlations, and their impact on system performance was evaluated using a dedicated model. The results show that volumetric concentration and particle size are the key parameters: an increase in concentration and a reduction in particle size significantly improve cooling capacity, albeit with a reduction in the coefficient of performance. The material of the nanoparticles, on the other hand, has a relatively minor influence on overall thermal performance. These conclusions provide useful insights for optimizing nanofluids in magnetic refrigeration.

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Pages: 9 p.

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Details

  • Original title: Performance analysis of magnetic refrigeration systems using nanofluids.
  • Record ID : 30035047
  • Languages: English
  • Subject: Technology
  • 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.2026.0005

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