Numerical investigations on internal temperature distribution and refrigeration performance of reciprocating active magnetic regenerator of room temperature magnetic refrigeration

2011 ◽  
Vol 34 (3) ◽  
pp. 617-627 ◽  
Author(s):  
Min Liu ◽  
Bingfeng Yu
Keyword(s):  
Temperature Distribution ◽  
Room Temperature ◽  
Magnetic Refrigeration ◽  
Internal Temperature ◽  
Numerical Investigations ◽  
Active Magnetic Regenerator ◽  
Room Temperature Magnetic Refrigeration ◽  
Magnetic Regenerator

scholarly journals Numerical study on the thermohydraulic performance of a reciprocating room temperature active magnetic regenerator

2019 ◽  
Vol 128 ◽  
pp. 07001
Author(s):  
Georges El Achkar ◽  
Bin Liu ◽  
Rachid Bennacer
Keyword(s):  
Heat Transfer ◽  
Room Temperature ◽  
Transient Flow ◽  
Numerical Study ◽  
Working Fluid ◽  
Comsol Multiphysics ◽  
Transfer Model ◽  
Two Dimensional ◽  
Active Magnetic Regenerator ◽  
Magnetic Regenerator

In this paper, the thermohydraulic performance of a reciprocating room temperature active magnetic regenerator (AMR), with gadolinium (Gd) particles used as a magnetocaloric material (MCM) and water used as a working fluid, was numerically investigated. A two-dimensional transient flow model was developed using COMSOL Multiphysics, in order to determine the water flow distribution in two AMRs of cross and parallel Gd particles distributions for different water inlet velocities of 0.06 m.s-1, 0.08 m.s-1 , 0.1 m.s-1 and 0.12 m.s-1. The Gd particles have a radius of 1.5 mm and a distance from one another of 0.9 mm. Based on the simulations results of the first model, a two-dimensional transient coupled flow and heat transfer model was then developed using COMSOL Multiphysics, in order to characterise the convective heat transfer in the AMR of cross Gd particles distribution for the same water inlet velocities.

Two-dimensional mathematical model of a reciprocating room-temperature Active Magnetic Regenerator

2008 ◽  
Vol 31 (3) ◽  
pp. 432-443 ◽  
Author(s):  
Thomas Frank Petersen ◽  
Nini Pryds ◽  
Anders Smith ◽  
Jesper Hattel ◽  
Henrik Schmidt ◽  
...  
Keyword(s):  
Mathematical Model ◽  
Room Temperature ◽  
Two Dimensional ◽  
Active Magnetic Regenerator ◽  
Magnetic Regenerator

Numerical modeling on a reciprocating active magnetic regenerator refrigeration in room temperature

Cryogenics ◽  
2011 ◽  
Vol 51 (6) ◽  
pp. 347-352 ◽  
Author(s):  
Jing Li ◽  
Takenori Numazawa ◽  
Hideki Nakagome ◽  
Koichi Matsumoto
Keyword(s):  
Numerical Modeling ◽  
Room Temperature ◽  
Active Magnetic Regenerator ◽  
Magnetic Regenerator
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