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 …

Effective demagnetizing factors of diamagnetic samples of various shapes

R Prozorov, VG Kogan - Physical review applied, 2018 - APS
Effective demagnetizing factors that connect the sample magnetic moment with the applied
magnetic field are calculated numerically for perfectly diamagnetic samples of various …

Review on numerical modeling of active magnetic regenerators for room temperature applications

KK Nielsen, J Tusek, K Engelbrecht, S Schopfer… - International Journal of …, 2011 - Elsevier
The active magnetic regenerator (AMR) is an alternative refrigeration cycle with a potential
gain of energy efficiency compared to conventional refrigeration techniques. The AMR …

Magnetization reversal of exchange-coupled and exchange-decoupled Nd-Fe-B magnets observed by magneto-optical Kerr effect microscopy

M Soderžnik, H Sepehri-Amin, TT Sasaki, T Ohkubo… - Acta Materialia, 2017 - Elsevier
We observed the magnetization reversals of exchange-coupled and exchange-decoupled
Nd-Fe-B sintered magnets with coercivities of 1.16 and 1.80 T, respectively, by magneto …

Magnetocaloric properties of LaFe13− x− yCoxSiy and commercial grade Gd

R Bjørk, CRH Bahl, M Katter - Journal of Magnetism and Magnetic …, 2010 - Elsevier
The magnetocaloric properties of three samples of LaFe13− x− yCoxSiy have been
measured and compared to measurements of commercial grade Gd. The samples have (x …

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 …

[HTML][HTML] PM4Stell: a prototype permanent magnet stellarator structure

C Zhu, K Hammond, A Rutkowski, K Corrigan… - Physics of …, 2022 - pubs.aip.org
Permanent magnets provide a possible solution to simplify complicated stellarator coils. A
prototype permanent magnet stellarator structure, PM4Stell, has been funded to …

Quantized conductance and switching in percolating nanoparticle films

A Sattar, S Fostner, SA Brown - Physical review letters, 2013 - APS
We demonstrate switching behavior and quantized conductance at room temperature in
percolating films of nanoparticles. Our experiments and complementary simulations show …

MagTense: A micromagnetic framework using the analytical demagnetization tensor

R Bjørk, EB Poulsen, KK Nielsen, AR Insinga - Journal of Magnetism and …, 2021 - Elsevier
We present the open source micromagnetic framework, MagTense, which utilizes a novel
discretization approach of rectangular cuboid or tetrahedron geometry “tiles” to analytically …