Materials challenges for high performance magnetocaloric refrigeration devices

A Smith, CRH Bahl, R Bjørk… - Advanced Energy …, 2012 - Wiley Online Library
Magnetocaloric materials with a Curie temperature near room temperature have attracted
significant interest for some time due to their possible application for high‐efficiency …

Caloric devices: A review on numerical modeling and optimization strategies

DJ Silva, J Ventura, JP Araujo - International Journal of Energy …, 2021 - Wiley Online Library
The discovery of giant caloric effects and further investigation on device systems that can
compete with current heat management technologies in terms of efficiency have led to a …

Magnetocaloric properties of spheroidal La (Fe, Mn, Si) 13Hy granules and their performance in epoxy-bonded active magnetic regenerators

BP Vieira, HN Bez, M Kuepferling, MA Rosa… - Applied thermal …, 2021 - Elsevier
Magnetic cooling has been researched as an alternative near room-temperature
refrigeration technology for the past two decades. However, one of its greatest limitations is …

Performance assessment of different porous matrix geometries for active magnetic regenerators

PV Trevizoli, AT Nakashima, GF Peixer, JR Barbosa Jr - Applied Energy, 2017 - Elsevier
The development of efficient active magnetic regenerators (AMR) is highly dependent on the
regenerative matrix thermal performance. Matrix geometries should have a high thermal …

Magnetic heat pumps: an overview of design principles and challenges

PV Trevizoli, TV Christiaanse… - … and Technology for …, 2016 - Taylor & Francis
Active magnetic regeneration is one of the most promising alternative technologies for the
development of heat pumps and cooling systems for applications around room temperature …

Design of nested Halbach cylinder arrays for magnetic refrigeration applications

PV Trevizoli, JA Lozano, GF Peixer… - Journal of Magnetism and …, 2015 - Elsevier
We present an experimentally validated analytical procedure to design nested Halbach
cylinder arrays for magnetic cooling applications. The procedure aims at maximizing the …

Performance evaluation of an active magnetic regenerator for cooling applications–part II: Mathematical modeling and thermal losses

PV Trevizoli, AT Nakashima, JR Barbosa Jr - International Journal of …, 2016 - Elsevier
In this second part of a two-part paper, a mathematical model of active magnetic
regenerators is applied to identify and quantify the main losses taking place in the AMR …

Numerical study on the multi-layered magnetocaloric regenerators

L Yuan, S Qian, J Yu - Applied Thermal Engineering, 2022 - Elsevier
Layering magnetocaloric materials with different transition temperatures is an effective way
to improve the cooling performance of magnetic cooling systems. The optimum layering …

Initial experimental results from a rotary permanent magnet magnetic refrigerator

C Aprea, A Greco, A Maiorino, R Mastrullo… - international journal of …, 2014 - Elsevier
In this paper, a novel rotary magnetic refrigerator is described, and initial experimental
results are presented. The prototype employs a two-pole magnetic system based on a …

Interrelationship between flow profiles and the magnetic waveform and their influence on the performance of first-order active magnetic regenerators

BP Vieira, HN Bez, D dos Santos, JA Lozano… - Applied Thermal …, 2023 - Elsevier
Magnetic refrigeration is one of the most prominent unconventional near-room-temperature
cooling technologies. However, some factors currently prevent it from reaching commercial …