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Avancées récentes dans le domaine des technologies de refroidissement élastocalorique : état de l’art et perspectives futures.

Recent advances in elastocaloric cooling technologies: Where they stand and what prospects are.

Numéro : pap. n. 1834

Auteurs : CATALINI D., HWANG Y.

Résumé

Elastocaloric cooling is as a solid-­state cooling technology undergoing early stage research and development. This study presents a general introduction of core concepts common to all caloric cooling technologies and a review of the recent progress made in the elastocaloric cooling field with respect to materials, mathematical modelling at the system and material levels, and system integration. Multiple compositions were recently studied. Some by adding alloying elements to traditional systems to tune the
transformation temperature and increase fatigue life. Other are multiferroic alloys, which are materials that can respond simultaneously to additional stimuli (electric or magnetic field) besides strain to leverage multiple caloric effects at once. Influence of additional variables like texture, strain rate, martensitic transformation paths and hysteresis in material’s performance have also been further studied. Fundamental thermodynamic principles were applied to further understanding elastocaloric effect, and
through mathematical description of the heat transfer process coupled with phase transformation new approaches to materials and characterization. System integration with heat recovery and regeneration strategies were also reviewed.

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Pages : 10

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Détails

  • Titre original : Recent advances in elastocaloric cooling technologies: Where they stand and what prospects are.
  • Identifiant de la fiche : 30026653
  • Langues : Anglais
  • Source : Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Date d'édition : 24/08/2019
  • DOI : http://dx.doi.org/10.18462/iir.icr.2019.1834

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