Autor

Joel Boeng
Cláudio Melo (in memoriam)


Data de publicação

06/09/2019


Categoria

#Artigos

Resumo

The aim of this work is to study the effect of applying thermal storage materials (TSMs) into naturaldraft condensers of household refrigerators. To this end, three types of TSMs were integrated into the wire-and-tube condenser of an appliance. Energy consumption tests were carried out under different system operating conditions with each TSM in order to compare the results with those of an off-the-shelf refrigerator. It was found that the energy consumption benefits are strongly dependent on the contact resistance between the condenser and the material, on the compressor on and off times and on the material thermal capacity, regardless of the ambient temperature. Energy savings of up to 7.4% were achieved with the integration of 700g of a copolymer compound into the condenser of an A++ European appliance. 

Keywords: Thermal Storage Material, Refrigerator, Natural-draft Condenser, Energy Consumption.

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