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Thermodynamic and Energy Efficiency Analysis of a Domestic Refrigerator Using Al 2 O 3 Nano-Refrigerant

Author

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  • Farhood Sarrafzadeh Javadi

    (Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
    Center of Technology and Innovation, Adrian Integrated Services Sdn Bhd, Kuala Lumpur 53300, Malaysia)

  • Rahman Saidur

    (Research Center for Nano-Materials and Energy Technology (RCNMET), School of Engineering and Technology, Sunway University, Petaling Jaya 47500, Malaysia
    Department of Mechanical and Manufacturing Engineering, Faculty of engineering, Universiti Putra Malaysia, Serdang 43400, Malaysia)

Abstract

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 Al 2 O 3 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%-Al 2 O 3 . The results showed that the energy consumption of the refrigerator reduced around 2.69% when 0.1%-Al 2 O 3 nanoparticle was added to the system.

Suggested Citation

  • Farhood Sarrafzadeh Javadi & Rahman Saidur, 2021. "Thermodynamic and Energy Efficiency Analysis of a Domestic Refrigerator Using Al 2 O 3 Nano-Refrigerant," Sustainability, MDPI, vol. 13(10), pages 1-15, May.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:10:p:5659-:d:557123
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    References listed on IDEAS

    as
    1. Saidur, R. & Kazi, S.N. & Hossain, M.S. & Rahman, M.M. & Mohammed, H.A., 2011. "A review on the performance of nanoparticles suspended with refrigerants and lubricating oils in refrigeration systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(1), pages 310-323, January.
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    Cited by:

    1. David Vérez & Emiliano Borri & Luisa F. Cabeza, 2022. "Trends in Research on Energy Efficiency in Appliances and Correlations with Energy Policies," Energies, MDPI, vol. 15(9), pages 1-17, April.

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