Experimental Investigation of Small-Scale Magnetocaloric Refrigerator

• Authors: J. Kaštil , J. Tětek , A. Tuček
• Languages of publication: EN

Abstracts

EN

The small-scale magnetocaloric cooling device was developed at Czech Technical University in Prague. The magnetocaloric small-scale cooling system was designed as push-pull system with two permanent magnets with field of about 0.85 T. The construction offers a possibility to alter independently many parameters of the cooling process and it ensures easy way to change working material and design of heat exchangers. The measurements were performed with 35 g of gadolinium as a working material and ethanol as heat transfer liquid. Device was successfully operated at room temperature with maximal heat span of 3.1 K. In the article we report design of the machine and first measurement performed on it.

Keywords

EN

75.30.Sg; 75.50.Ww

Discipline

• 75.30.Sg: Magnetocaloric effect, magnetic cooling(for cryogenics, see 07.20.Mc)
• 75.50.Ww: Permanent magnets(for magnets, see 07.55.Db in instruments)

• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 124
• Issue: 4
• Pages: 740-744

Dates

published

2013-10

received

2013-04-05

(unknown)

2013-08-06

Contributors

author

J. Kaštil

• Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic
• Institute of Physics ASCR, v.v.i, Na Slovance 2, 182 21 Prague 8, Czech Republic

author

J. Tětek

• TechSoft Engineering, Na Pankráci 26, 140 00 Prague 4, Czech Republic

author

A. Tuček

• TechSoft Engineering, Na Pankráci 26, 140 00 Prague 4, Czech Republic

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Identifiers

DOI

10.12693/APhysPolA.124.740