What is it about?
This work deals with the energy performance of a new kind of solar cooling system, composed by a water-lithium bromide vapor absorption chiller powered by thermal solar flat plate collectors and an external heater. The study highlights the difference in heating energy savings related to the efficiency of heat transfer fluid. In particular two working fluids, water and a nanofluid, have been investigated, showing a significant increment, up to 36.54%, of the heating energy saving, whether the nanofluid is employed.
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Why is it important?
This work demonstrated that the working fluid can be the key factor for the performance improvements in solar cooling systems. Furthermore, according to the need to increase the efficiency of renewable energy systems, these results suggest the possibility to use nanofluids in several systems, in order to improve their performance.
Perspectives
The results of this work open the door to new way of using nanofluids inside energy systems as heat transfer fluid.
Dr Gianpiero Colangelo
Universita del Salento
Read the Original
This page is a summary of: Energy simulation of a nanofluid solar cooling system in Italy, Proceedings of the Institution of Civil Engineers - Engineering Sustainability, November 2017, ICE Publishing,
DOI: 10.1680/jensu.16.00027.
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