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THE PLEASURE OF MAGNETIC REFRIGERATION.

LES DELICES DU FROID MAGNETIQUE.

Author(s) : AMPE F., FANTIN M.

Type of article: Article

Summary

SUMMARY OF THE PRINCIPLES OF COOLING: COMPRESSION-EXPANSION CYCLES, ADIABATIC DEMAGNETIZATION. ADVANTAGES OF 4-20 K MAGNETIC REFRIGERATORS (HIGH EFFICIENCY, NEAR TO THAT OF CARNOT, RELIABILITY). STUDY OF A PROTOTYPE WITH A NEW THERMODYNAMIC CYCLE INCLUDING TWOISOTHERMAL CHANGES AND TWO CHANGES WITH VARYING ENTROPY, ACTUATED BY HELIUM GAS SHUTTLING BETWEEN 2 CYLINDERS FILLED WITH GALLIUM-GADOLINIUM GARNET BALLS, PLACED INSIDE TWO COILS WITH A PULSED FIELD. THE WHOLE UNIT OPERATES IN THE RANGE 4 TO 20 K. J. V.

Details

  • Original title: LES DELICES DU FROID MAGNETIQUE.
  • Record ID : 1988-1302
  • Languages: French
  • Source: Recherche - vol. 18 - n. 194
  • Publication date: 1987/12
  • Document available for consultation in the library of the IIR headquarters only.

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