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A heat driven elastocaloric cooling system

Author

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  • Qian, Suxin
  • Wang, Yao
  • Yuan, Lifen
  • Yu, Jianlin

Abstract

Elastocaloric cooling is based on the latent heat associated with phase transformation upon stress variations in shape memory materials, which has significant potential to reduce the environmental footprints for air-conditioning and refrigeration industry. However, current elastocaloric cooling prototypes are limited by their driver to refrigerant mass ratio of over 500. To overcome this bottleneck, a new cycle using high temperature shape memory alloy as the heat driven actuator is proposed, which can precisely match the force-displacement characteristics of the refrigerant super-elastic alloy, and thus could potentially reduce the driver to refrigerant mass ratio down to the magnitude of 1. Numerical simulations are carried out to study the transient characteristics of the new cycle and the impacts of the heat source temperature and transformation temperatures of the actuator alloy. These two groups of parameters are correlated as the thermodynamic driving temperature differences. Furthermore, the theoretical minimum driving temperature shows that a low grade heat source around 80 °C is sufficient, which opens a new path for better utilization of the renewable energy and the waste heat. In the end, the design of a demonstrator based on the proposed cycle is presented, which shows a new path to develop compact elastocaloric cooling prototypes.

Suggested Citation

  • Qian, Suxin & Wang, Yao & Yuan, Lifen & Yu, Jianlin, 2019. "A heat driven elastocaloric cooling system," Energy, Elsevier, vol. 182(C), pages 881-899.
    • Handle: RePEc:eee:energy:v:182:y:2019:i:c:p:881-899
    DOI: 10.1016/j.energy.2019.06.094
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    Citations

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    Cited by:

    1. Qian, Suxin & Yao, Sijia & Wang, Yao & Yuan, Lifen & Yu, Jianlin, 2022. "Harvesting low-grade heat by coupling regenerative shape-memory actuator and piezoelectric generator," Applied Energy, Elsevier, vol. 322(C).
    2. 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).
    3. Mubarak Ismail & Metkel Yebiyo & Issa Chaer, 2021. "A Review of Recent Advances in Emerging Alternative Heating and Cooling Technologies," Energies, MDPI, vol. 14(2), pages 1-24, January.
    4. 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).
    5. Žiga Ahčin & Parham Kabirifar & Luka Porenta & Miha Brojan & Jaka Tušek, 2022. "Numerical Modeling of Shell-and-Tube-like Elastocaloric Regenerator," Energies, MDPI, vol. 15(23), pages 1-28, December.
    6. Han, Yuan & Zhang, Houcheng, 2022. "Potentiality of elastocaloric cooling system for high-temperature proton exchange membrane fuel cell waste heat harvesting," Renewable Energy, Elsevier, vol. 200(C), pages 1166-1179.
    7. Qian, Suxin & Wang, Yao & Xu, Shijie & Chen, Yanliang & Yuan, Lifen & Yu, Jianlin, 2021. "Cascade utilization of low-grade thermal energy by coupled elastocaloric power and cooling cycle," Applied Energy, Elsevier, vol. 298(C).
    8. 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).
    9. Ma, Liuyang & Zhao, Qin & Zhang, Houcheng & Hou, Shujin & Zhao, Jiapei & Wang, Fu & Zhang, Chunfei & Miao, He & Yuan, Jinliang, 2022. "Performance analysis of a concentrated photovoltaic cell-elastocaloric cooler hybrid system for power and cooling cogeneration," Energy, Elsevier, vol. 239(PD).

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