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A regenerative elastocaloric heat pump

Author

Listed:
  • Jaka Tušek

    (Technical University of Denmark, Riso Campus
    University of Ljubljana, Faculty of Mechanical Engineering)

  • Kurt Engelbrecht

    (Technical University of Denmark, Riso Campus)

  • Dan Eriksen

    (Technical University of Denmark, Riso Campus)

  • Stefano Dall’Olio

    (Technical University of Denmark, Riso Campus)

  • Janez Tušek

    (University of Ljubljana, Faculty of Mechanical Engineering)

  • Nini Pryds

    (Technical University of Denmark, Riso Campus)

Abstract

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 800 W kg−1 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.

Suggested Citation

  • Jaka Tušek & Kurt Engelbrecht & Dan Eriksen & Stefano Dall’Olio & Janez Tušek & Nini Pryds, 2016. "A regenerative elastocaloric heat pump," Nature Energy, Nature, vol. 1(10), pages 1-6, October.
    • Handle: RePEc:nat:natene:v:1:y:2016:i:10:d:10.1038_nenergy.2016.134
    DOI: 10.1038/nenergy.2016.134
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    Citations

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    Cited by:

    1. Tan, Jianming & Wang, Yao & Xu, Shijie & Liu, Huaican & Qian, Suxin, 2020. "Thermodynamic cycle analysis of heat driven elastocaloric cooling system," Energy, Elsevier, vol. 197(C).
    2. Lu, Zhen & Huang, Yuewu & Zhao, Yonggang, 2023. "Elastocaloric cooler for waste heat recovery from perovskite solar cell with electricity and cooling production," Renewable Energy, Elsevier, vol. 215(C).
    3. Jongchansitto, P. & Yachai, T. & Preechawuttipong, I. & Boufayed, R. & Balandraud, X., 2021. "Concept of mechanocaloric granular material made from shape memory alloy," Energy, Elsevier, vol. 219(C).
    4. Luo, Dong & Feng, Yinshan & Verma, Parmesh, 2017. "Modeling and analysis of an integrated solid state elastocaloric heat pumping system," Energy, Elsevier, vol. 130(C), pages 500-514.
    5. Aprea, C. & Greco, A. & Maiorino, A. & Masselli, C., 2018. "Solid-state refrigeration: A comparison of the energy performances of caloric materials operating in an active caloric regenerator," Energy, Elsevier, vol. 165(PA), pages 439-455.
    6. Han, Yuan & Lai, Cong & Li, Jiarui & Zhang, Zhufeng & Zhang, Houcheng & Hou, Shujin & Wang, Fu & Zhao, Jiapei & Zhang, Chunfei & Miao, He & Yuan, Jinliang, 2022. "Elastocaloric cooler for waste heat recovery from proton exchange membrane fuel cells," Energy, Elsevier, vol. 238(PA).
    7. Kristina Navickaitė & Michael Penzel & Christian Bahl & Kurt Engelbrecht & Jaka Tušek & André Martin & Mike Zinecker & Andreas Schubert, 2020. "CFD-Simulation Assisted Design of Elastocaloric Regenerator Geometry," Sustainability, MDPI, vol. 12(21), pages 1-16, October.
    8. Zhu, Yuxiang & Zhou, Guoan & Cheng, Siyuan & Sun, Qingping & Yao, Shuhuai, 2023. "A numerical study of elastocaloric regenerators of tubular structures," Applied Energy, Elsevier, vol. 339(C).
    9. Johra, Hicham & Filonenko, Konstantin & Heiselberg, Per & Veje, Christian & Dall’Olio, Stefano & Engelbrecht, Kurt & Bahl, Christian, 2019. "Integration of a magnetocaloric heat pump in an energy flexible residential building," Renewable Energy, Elsevier, vol. 136(C), pages 115-126.

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