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Solid-state magnetocaloric cooler without heat switches

  • Sergio L. Dutra
  • , Natália M. De Sá
  • , Ricardo S. Calomeno
  • , Andrey Es'kov
  • , Alexander Anokhin
  • , Oleg Pakhomov
  • , Alexander Semenov
  • , Andrei Kholkin
  • , Igor Baranov
  • St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO)
  • St. Petersburg State Electrotechnical University
  • University of Aveiro

Research output: Chapter in Book/Report/Conference proceedingConference paperResearchpeer-review

Abstract

In this work, the principle of magnetocaloric cooling in ferromagnetic materials based on the difference in the magnitudes of the magnetocaloric effect during magnetization and demagnetization was shown. The correct choice of the operating point and the shape of the switching pulses of the external magnetic field allows building an efficient thermodynamic cycle for the magnetocaloric cooling. Based on this principle, a solidstate magnetocaloric cooler with a gadolinium-based magnet was experimentally demonstrated.

Original languageEnglish
Title of host publicationThermag 2018 - 8th International Conference on Caloric Cooling
PublisherInternational Institute of Refrigeration
Pages155-160
Number of pages6
ISBN (Electronic)9782362150289
DOIs
Publication statusPublished - 2018
Externally publishedYes
Event8th International Conference on Caloric Cooling, Thermag 2018 - Darmstadt, Germany
Duration: 16 Sept 201820 Sept 2018

Publication series

NameRefrigeration Science and Technology
Volume2018-January
ISSN (Print)0151-1637

Conference

Conference8th International Conference on Caloric Cooling, Thermag 2018
Country/TerritoryGermany
CityDarmstadt
Period16/09/1820/09/18

Keywords

  • electocaloric effect
  • ferroelectrics
  • ferromagnetics
  • magnetocaloric effect
  • solid-state cooling

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