Effect of PCM on temperature fluctuation during the door opening of a household refrigerator

Khan, Md. Imran H., Afroz, Hasan M.M., & Karim, M.A. (2016) Effect of PCM on temperature fluctuation during the door opening of a household refrigerator. International Journal of Green Energy. (In Press)

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Abstract

Temperature fluctuation inside the cabinet of a household refrigerator significantly affects the quality of preserved food. Phase change material (PCM) is a latent heat storage system that can store and release the heat energy by changing its phase from liquid to solid and solid to liquid respectively. Therefore, use of PCM inside the refrigerator cabinet has the potential for minimizing the temperature fluctuation during the door opening and the power failure. However,very few studies in the literature were dedicated to investigating the role of PCM to reduce the temperature fluctuation. The aim of this work is to experimentally investigate the effects of PCM on temperature fluctuation inside the cabinet of a household refrigerator during the door opening and power failure. The results found that a significantly lower temperature fluctuation can be obtained using PCM. It was found that during the door opening condition the air temperature in the cabinet rose rapidly. However, when a PCM container was used, temperature variation was reduced to 3-5 °C. During the power failure, the system with PCM maintained a lower temperature inside the storage chamber for a long period of time (about two hours). Moreover,the test results indicate that PCM maintains more stable temperature in the foodstuffs inside the refrigerator. This reduction of temperature fluctuation ultimately improves the quality of preserved food.

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ID Code: 101917
Item Type: Journal Article
Refereed: Yes
Keywords: Household refrigerator, phase change material, temperature fluctuation, door opening, power failure
DOI: 10.1080/15435075.2016.1261705
ISSN: 1543-5083
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Energy Generation Conversion and Storage Engineering (091305)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2016 Taylor & Francis Group
Deposited On: 29 Nov 2016 05:34
Last Modified: 06 Dec 2016 18:46

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