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  • Development of a tube-based elastocaloric regenerator loaded in compression : a review
    DallʹOlio, Stefano ...
    In recent years, devices based on the elastocaloric effect (eCE) have emerged as one of the most promising alternatives to vaporcompression cooling and heating systems. After a brief overview of ... elastocaloric materials and elastocaloric devices developed to date, this paper reviews our recent activities in the development of tube-based elastocaloric regenerators loaded in compression. These include the evaluation of novel elastocaloric thermodynamic cycles, the characterization of the elastocaloric and fatigue behavior of Ni–Ti tubes, the thermo-hydraulic evaluation of a tubebased geometry to be applied as an elastocaloric regenerator, the buckling analysis of Ni–Ti tube in compression, and finally the development, numerical modeling, and testing of a tube-based elastocaloric regenerator in both cooling and heat-pumping modes. The developed regenerator shows a durable operation with more than 300,000 cycles, a maximum temperature span of more than 31 K at zero thermal load, and a heating power of more than 60 W at a temperature span of 10 K using only 13.7 g of elastocaloric material. In addition, further improvements of the tube-based elastocaloric regenerators related to a lower thermal mass of the regenerator’s housing are shown and discussed.
    Source: Shape memory and superelasticity. - ISSN 2199-384X (iss. 2, Vol. 10, Jun. 2024, str. 99-118)
    Type of material - article, component part ; adult, serious
    Publish date - 2024
    Language - english
    COBISS.SI-ID - 206932739

    Link(s):

    https://link.springer.com/article/10.1007/s40830-024-00483-z
    Repository of the University of Ljubljana – RUL
    DOI

source: Shape memory and superelasticity. - ISSN 2199-384X (iss. 2, Vol. 10, Jun. 2024, str. 99-118)
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