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Position: Home > issue > March 29, 2022 Volume 3, Issue 2
A compact elastocaloric refrigerator
Category:   Report   Download:  PDF  Figure  Endnote
Author: Yanliang Chen, Yao Wang, Wen Sun, Suxin Qian, Jian Liu

Elastocaloric cooling is regarded as one of the most promising cutting-edge alternatives to conventional vapor compression refrigeration systems. This technology is based on the temperature change of materials when being subjected to uniaxial stress, which has been observed in polymers, alloys, and ceramics. However, the existing elastocaloric prototypes have a bottleneck problem of an excessive mass ratio between the actuator and the solid-state refrigerant. To overcome this challenge, this study proposes an elastocaloric refrigerator using a single actuator with an inclined angle to produce a vertical tensile force to Ni-Ti shape-memory wires and a lateral motion to translate the Ni-Ti wires between the hot and cold sides.





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