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Energy analysis of a solar driven vaccine refrigerator using environment-friendly refrigerants for off-grid locations
Department of Mechanical and Production Engineering, Islamic University of Technology, Gazipur, Bangladesh.
Department of Mechanical and Production Engineering, Islamic University of Technology, Gazipur, Bangladesh.
Department of Mechanical and Production Engineering, Islamic University of Technology, Gazipur, Bangladesh.
Department of Mechanical and Production Engineering, Islamic University of Technology, Gazipur, Bangladesh.
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2021 (English)In: Energy Conversion and Management: X, ISSN 2590-1745, Vol. 11, article id 100095Article in journal (Refereed) Published
Abstract [en]

In many remote localities, one of the underlying reasons for not receiving life-saving vaccines is the lack of electricity to store the vaccines in the required refrigerated conditions. Solar Photovoltaic (PV) refrigerators have been considered as a viable and green solution to store the vaccines in remote localities having no access to electricity. In this paper, a detailed methodology has been presented for the performance evaluation of a solar PV powered vaccine refrigerator for remote locations. Thermal modelling with hourly cooling load calculations and refrigeration cycle simulations were carried out. The performance parameters for three environment-friendly refrigerants: R152a, R1234yf, and R1234ze(E) has been compared against the commonly used R134a for two remote, off-grid locations in Bangladesh and South Sudan. The energy systems comprising of solar PV panels and batteries to run the refrigerator were modelled in HOMER software for techno-economic optimizations. For both the locations, R152a was found to be the best performing refrigerant exhibiting higher COP (2%−5.29%) as compared to the other refrigerants throughout the year, while R1234ze(E) exhibited COPs on par with R134a, and R1234yf had the least performance. Techno-economic analysis showed an energy system providing electricity to the refrigerator with R152a also had lower levelized cost of electricity (0.48%−2.54%) than the systems having other refrigerants in these locations.

Place, publisher, year, edition, pages
Elsevier Ltd , 2021. Vol. 11, article id 100095
Keywords [en]
Modelling, Solar PV, Solar refrigeration, Techno-economic, Thermal systems, Vaccine storage
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-55521DOI: 10.1016/j.ecmx.2021.100095ISI: 000700580300005Scopus ID: 2-s2.0-85110666625OAI: oai:DiVA.org:mdh-55521DiVA, id: diva2:1583156
Available from: 2021-08-05 Created: 2021-08-05 Last updated: 2021-10-07Bibliographically approved

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Salman, Chaudhary Awais

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CiteExportLink to record
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