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Elastocaloric elastomer material and device as an alternative route for refrigeration.

Number: 0774

Author(s) : SION M., SEBALD G., JAY J., KOMIYA A., LOMBARDI G., CHENAL J.-M., CHAZEAU L., GARNIER B., COATIVY G., LEBRUN L.

Summary

There are potential alternatives to cold production by vapor compression. Among these possibilities, one may consider solid refrigeration based on the elastocaloric effect of materials with a low environmental footprint such as natural rubber. After a state of the art on refrigeration systems using caloric materials (barocaloric, magnetocaloric, electrocaloric, elastocaloric), this article presents the principles of cold production by regenerative systems (with heat transfer fluid) and by recovery systems (direct contact between the heat exchangers and the caloric material). Two recovery systems were designed and tested. The first system has a single actuator and operates in sequence in 2.5 times, a power of 0.2 W/g and a temperature span of 1.3 K were obtained. The second system uses two actuators, and its sequencing is in 4 times, a temperature difference of 3.5 K.

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Pages: 8

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Details

  • Original title: Elastocaloric elastomer material and device as an alternative route for refrigeration.
  • Record ID : 30031835
  • Languages: English
  • Subject: Technology
  • Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
  • Publication date: 2023/08/21
  • DOI: http://dx.doi.org/10.18462/iir.icr.2023.0774

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