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  • A regenerative elastocaloric heat pump [Elektronski vir]
    Tušek, Jaka ...
    A large fraction of global energy use is for refrigeration and air-conditioning, which could be decarbonized if efficient renewable energy technologies could be found. Vapour-compression technology ... remains the most widely used system to move heat up the temperature scale after more than 100 years; however, caloric-based technologies (those using the magnetocaloric, electrocaloric, barocaloric or elastocaloric effect) have recently shown a significant potential as alternatives to replace this technology due to high efficiency and the use of green solid-state refrigerants. Here, we report a regenerative elastocaloric heat pump that exhibits a temperature span of 15.3 K on the water side with a corresponding specific heating power up to 800W1/kg and maximum COP (coefficient-of-performance) values of up to 7. The efficiency and specific heating power of this device exceeds those of other devices based on caloric effects. These results open up the possibility of using the elastocaloric effect in various cooling and heat-pumping applications.
    Vir: Nature energy [Elektronski vir]. - ISSN 2058-7546 (Vol. 1, iss. 10, Oct. 2016, str. 1-6)
    Vrsta gradiva - e-članek
    Leto - 2016
    Jezik - angleški
    COBISS.SI-ID - 14935067

    Povezava(-e):

    http://www.nature.com/articles/nenergy2016134
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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