state-of-the-art and future challenges in designing regenerative elastocaloric devices
Parham Kabirifar (Author), Andrej Žerovnik (Author), Žiga Ahčin (Author), Luka Porenta (Author), Miha Brojan (Author), Jaka Tušek (Author)

Abstract

The elastocaloric cooling, utilizing latent heat associated with martensitic transformation in shape-memory alloys, is being considered in the recent years as one of the most promising alternatives to vapour compression cooling technology. It can be more efficient and completely harmless to the environment and people. In the first part of this work, the basics of the elastocaloric effect (eCE) and the state-of-the-art in the field of elastocaloric materials and devices are presented. In the second part, we are addressing crucial challenges in designing active elastocaloric regenerators, which are currently showing the largest potential for utilization of eCE in practical devices. Another key component of elastocaloric technology is a driver mechanism that needs to provide loading for active elastocaloric regenerators in an efficient way and recover the released energy during their unloading. Different driver mechanisms are reviewed and the work recovery potential is discussed in the third part of this work.

Keywords

elastocaloric effect;cooling;active elastocaloric regenerators;fatigue life;driver mechanism;

Data

Language: English
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UL FS - Faculty of Mechanical Engineering
UDC: 621.57:620.178.37(045)
COBISS: 16941851 Link will open in a new window
ISSN: 0039-2480
Parent publication: Strojniški vestnik
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Other data

Secondary language: Slovenian
Secondary title: Elastokalorično hlajenje: pregled razvoja in nadaljnji izzivi pri razvoju regenerativnih elastokaloričnih naprav
Secondary keywords: elastokalorični učinek;hlajenje;aktivni elastokalorični regeneratorji;doba utrujanja;pogonski mehanizem;
Type (COBISS): Article
Pages: str. 615-630, SI 81
Volume: ǂVol. ǂ65
Issue: ǂno. ǂ11/12
Chronology: Nov.-Dec. 2019
DOI: 10.5545/sv-jme.2019.6369
ID: 11392454
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