THERMAL SCIENCE

International Scientific Journal

SIMULATION AND MODELING OF A SOLAR-AIDED UNDERGROUND ENERGY STORAGE SYSTEM

ABSTRACT
The significance of energy storage methods and related R and D studies are increasing due to the depletion of fossil fuels, rising energy prices, and growing environmental concerns. Storage of energy means elimination of practical concerns for the time difference between the time when the energy is produced and when it’s needed. The importance of producing and storing energy through renewable sources is increasing every day, especially in developing countries like Turkiye, as such countries would like to reduce their dependence on foreign sources. This study focuses on an underground thermal energy storage system that was modeled for Van Region, using M-file program. The performance of an isolated day heat system as a thermal energy storage was investigated, and the thermal energy storage capacity of the system was researched for a 5 m × 5 m × 5 m soil area located on the Van Yuzuncu Yil University Campus. The temperature distribution, heat loss, and efficiency calculations were performed for a complete year and 3-D representations of the findings were obtained. The lowest efficiencies were observed in May, while the highest efficiencies were observed in July. It was found that the maximum heat loss from the system took place during December and January, and the system could be easily and effectively become a heating source for a single household with the addition of a heat pump.
KEYWORDS
PAPER SUBMITTED: 2022-09-13
PAPER REVISED: 2022-10-29
PAPER ACCEPTED: 2022-11-06
PUBLISHED ONLINE: 2023-02-11
DOI REFERENCE: https://doi.org/10.2298/TSCI220913025S
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2023, VOLUME 27, ISSUE Issue 4, PAGES [2935 - 2946]
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© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence