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Magnetic vs. vapor-compression household refrigerators: A preliminary comparative life cycle assessment
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0001-9592-0202
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0002-9902-2087
2014 (English)In: International journal of refrigeration, ISSN 0140-7007, E-ISSN 1879-2081, Vol. 42, 69-76 p.Article in journal (Refereed) Published
Abstract [en]

This paper seeks to shed light on the question whether a magnetic household refrigerator with permanent magnets is more environmentally friendly than a conventional, vapor-compression refrigerator. Life cycle assessment has been used as a tool to investigate the environmental impacts associated with the life cycle of a magnetic refrigerator. The results of the assessment have been compared with those of a conventional, vapor-compression refrigerator with the same functionality. The comparison reveals that the magnetic refrigeration has higher environmental impacts mainly due to the use of rare-earth metals used in the magnet material. The possibility of compensating for this shortcoming through reuse of the magnetic materials or improving the design and efficiency of the magnetic refrigerator has been examined. In addition, the effect of the electricity mix consumed during the use phase, as one of the key factors determining the life cycle environmental impacts, has been investigated.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 42, 69-76 p.
Keyword [en]
Magnetic, Refrigeration, Life cycle assessment, Environment
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-147579DOI: 10.1016/j.ijrefrig.2014.02.013ISI: 000338804200009Scopus ID: 2-s2.0-84901675794OAI: oai:DiVA.org:kth-147579DiVA: diva2:730820
Funder
Swedish Energy Agency, 33847-1
Note

QC 20140812

Available from: 2014-06-30 Created: 2014-06-30 Last updated: 2017-12-05Bibliographically approved

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Monfared, BehzadPalm, Björn

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