Black box modelling of a latent heat thermal energy storage system coupled with heat pipes

Arteconi, A., Ferracuti, F., Tascioni, R., Mahkamov, Khamid, Kenisarin, Murat, Costa Pereira, Carolina, Cabeza, L. F., de Gracia, A., Halimic, E., Mullen, D., Lynn, K. and Cioccolanti, L. (2021) Black box modelling of a latent heat thermal energy storage system coupled with heat pipes. IoP Conference Series, Materials Science and Engineering, 1139 (1). 012010. ISSN 1757-8981

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Official URL: https://doi.org/10.1088/1757-899x/1139/1/012010

Abstract

This paper presents black box models to represent a LHTESS (Latent Heat Thermal Energy Storage System) coupled with heat pipes, aimed at increasing the storage performance and at decreasing the time of charging/discharging. The presented storage system is part of a micro solar CHP plant and the developed model is intended to be used in the simulation tool of the overall system, thus it has to be accurate but also fast computing. Black box data driven models are considered, trained by means of numerical data obtained from a white box detailed model of the LHTESS and heat pipes system. A year round simulation of the system during its normal operation within the micro solar CHP plant is used as dataset. Then the black box models are trained and finally validated on these data. Results show the need for a black box model that can take into account the different seasonal performance of the LHTESS. In this analysis the best fit was achieved by means of Random Forest models with an accuracy higher than 90%.

Item Type: Article
Subjects: H800 Chemical, Process and Energy Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: John Coen
Date Deposited: 01 Jun 2021 14:25
Last Modified: 01 Jun 2021 14:30
URI: http://nrl.northumbria.ac.uk/id/eprint/46312

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