**5.2.2 Structure D: rotating multiblock system**

The structure D presented here has a configuration adapted to rotary magnetic refrigeration systems with a direct thermal cycle. It has two magnets to create the field; a yoke of soft material to canalize the magnetic flux and N MCE material blocks for the creation of the cold (Fig. 23). Table 4 below shows the parameter values used in our simulation for the rotating multiblock system.

Fig. 23. Geometry of the rotating multiblock system.


Table 4. The dimensions used in the simulation of the rotating multiblock system.

Magnetic Refrigeration Technology at Room Temperature 249

ultimately aimed at developing a standard refrigerator for home use. Unlike conventional refrigerators, magnetic refrigerators are cost-effective and environmentally friendly. Moreover, it is noiseless and power-efficient and requires low maintenance cost and

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Fig. 24 (b) shows the induction at the center of a block of material b1. Fig. 24 (c) and Fig. 24 (d) represent the torque exerted on the blocks and the force exerted on the block b1, respectively. Fig. 24 (e) represents the distribution of the magnetic induction for two positions 0 θ = ° and 45 θ= ° .

Fig. 24. Magnetic characteristics of the rotating multiblock system.
