Thermodynamic and energy efficiency analysis of a domestic refrigerator using Al2O3 nano-refrigerant

Javadi, Farhood Sarrafzadeh and Saidur, Rahman (2021) Thermodynamic and energy efficiency analysis of a domestic refrigerator using Al2O3 nano-refrigerant. Sustainability, 13 (10). ISSN 2071-1050, DOI

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Refrigeration systems have experienced massive technological changes in the past 50 years. Nanotechnology can lead to a promising technological leap in the refrigeration industry. Nano-refrigerant still remains unknown because of the complexity of the phase change process of the mixture including refrigerant, lubricant, and nanoparticle. In this study, the stability of Al2O3 nanofluid and the performance of a nano-refrigerant-based domestic refrigerator have been experimentally investigated, with the focus on the thermodynamic and energy approaches. It was found that by increasing the nanoparticle concentration, the stability of nano-lubricant was decreased and evaporator temperature gradient was increased. The average of the temperature gradient increment in the evaporator was 20.2% in case of using 0.1%-Al2O3. The results showed that the energy consumption of the refrigerator reduced around 2.69% when 0.1%-Al2O3 nanoparticle was added to the system.

Item Type: Article
Funders: High Impact Research MoE from the Ministry of Education Malaysia (UM.C/625/1/HIR/MoE/ENG/40)
Uncontrolled Keywords: Nano-refrigerant; Nanofluid; Refrigerator; Energy efficiency; Thermodynamic analysis; Aluminum oxide
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions: Faculty of Engineering > Department of Mechanical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 21 Apr 2022 07:55
Last Modified: 21 Apr 2022 07:55

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