High-performance multimode elastocaloric cooling system | Zendy

Suxin Qian | Zendy; David Catalini | Zendy; Jan Muehlbauer | Zendy; Boyang Liu | Zendy; Het Mevada | Zendy; Huilong Hou | Zendy; Yunho Hwang | Zendy; Reinhard Radermacher | Zendy; Ichiro Takeuchi | Zendy

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High-performance multimode elastocaloric cooling system

Author(s) -

Suxin Qian,

David Catalini,

Jan Muehlbauer,

Boyang Liu,

Het Mevada,

Huilong Hou,

Yunho Hwang,

Reinhard Radermacher,

Ichiro Takeuchi

Publication year - 2023

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.adg7043

Subject(s) - refrigerant , refrigeration , water cooling , vapor compression refrigeration , active cooling , power (physics) , heat exchanger , materials science , environmental science , mechanical engineering , computer science , nuclear engineering , engineering , physics , thermodynamics

Developing zero-global warming potential refrigerants has emerged as one area that helps address global climate change concerns. Various high-efficiency caloric cooling techniques meet this goal, but scaling them up to technologically meaningful performance remains challenging. We have developed an elastocaloric cooling system with a maximum cooling power of 260 watts and a maximum temperature span of 22.5 kelvin. These values are among the highest reported for any caloric cooling system. Its key feature is the compression of fatigue-resistant elastocaloric nitinol (NiTi) tubes configured in a versatile multimode heat exchange architecture, which allows the harnessing of both high delivered cooling power and large temperature spans. Our system shows that elastocaloric cooling, which only emerged 8 years ago, is a promising direction for commercializing caloric cooling.

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