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Experimental study of a novel finned and tube phase-change material storage for low-temperature applications

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#Energy Efficiency #Residential Sector

Publications - Paper

Experimental study of a novel finned and tube phase-change material storage for low-temperature applications

Large-scale implementation of solar energy systems in the residential sector relies on innovative thermal energy storage units. This paper contributes to today’s discussion by proposing a storage tank with phase-change material, the size of which has been selected to be coupled with solar-assisted heat pumps.

The storage unit consists of a fin and tube heat exchanger placed inside a tank: water is circulated on one side of the heat exchanger, and commercial kerosene RT26 is used on the other side. The storage system is operated by considering two configurations of the heat exchanger (parallel and series) and implementing a wide range of boundary conditions to test the storage unit under real operating conditions. For this purpose, a new test bed was designed and constructed with electric heaters (to provide the heating load) and a heat pump (to provide the cooling load). The results were commented on in global and local terms; it was found that the proposed storage, compared with a volume equivalent water storage, is able to store 65% more heat energy. In addition, the dataset obtained in this research is interesting for validating the numerical codes of storage units for phase-change materials.

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Rif.RSE​

19002219

Destination​

ECCE 12 -12th European Congress on Chemical Engineering, Florence, September 15-19, 2019

Publication Date

19 September 2019

Authors​

G. Besagni, L. Croci (RSE S.p.A.)

Publication Type

Paper

Projects

Technologies for efficient penetration of the electric carrier into end uses (Energy4Use)

Related tags

#Energy Efficiency #Residential Sector

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