Extending the autonomy time of an icelined solar powered vaccine cooler

Jonas K. Jensen, Christoffer Busk, Claus Cording, Per Henrik Pedersen, Wiebke Brix Markussen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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Abstract

The autonomy time of an icelined solar powered vaccine cooler expresses the amount of hours the cooler is able to keep vaccines within an acceptable temperature range during low solar radiation conditions, i.e. when the compressor of the cooling system is idle. This study investigates how different parameters related to the cooler cabinet and ice storage affect the autonomy time. A dynamic model of the vaccine cooler cabinet including the ice storage was used for the investigation. The model was calibrated using measurements from three different experimental setups, and the calibrated model showed a good agreement with the measurements. The results show that the mass of ice in the storage was the most promising parameter to consider for prolonging the autonomy time. Furthermore, it was shown that reduction of the thermal bridges in the cabinet also is of great importance.
Original languageEnglish
Title of host publicationProceedings of the 25th IIR International Congress of Refrigeration
Number of pages8
PublisherInternational Institute of Refrigeration
Publication date2019
DOIs
Publication statusPublished - 2019
Event25th IIR International Congress of Refrigeration (ICR 2019) - Montréal , Canada
Duration: 24 Aug 201930 Aug 2019

Conference

Conference25th IIR International Congress of Refrigeration (ICR 2019)
CountryCanada
CityMontréal
Period24/08/201930/08/2019

Bibliographical note

Copyright © IIF/IIR.
Published with the authorization of the International Institute of Refrigeration (IIR): www.iifiir.org

Keywords

  • Icelined Refrigerator
  • Autonomy Time
  • Solar Powered Refrigeration
  • Vaccine Cooler
  • WHO

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