THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

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Danijela Urbancl

,

Peter Trop

,

Darko Goričanec

GEOTHERMAL HEAT POTENTIAL - THE SOURCE FOR HEATING GREENHOUSES IN SOUTHESTERN EUROPE

ABSTRACT
The paper presents economically evaluated solutions for heating greenhouses with geothermal potential, if the same greenhouse is placed in two different locations in Southeastern Europe, one in Slovenia and the other in Serbia. The direct geothermal water exploitation using heat exchangers is presented and the remaining heat potential of already used geothermal water is exploited using high temperature heat pumps. Energy demands for heating greenhouses are calculated considering climatic parameters of both locations. Furthermore, different constructions materials are taken into account, and energy demands are evaluated if the same greenhouse is made of 4 mm toughened single glass, double insulated glass or polycarbonate plates. The results show that the geothermal energy usage is economically feasible in both locations, because payback periods are in range from two to almost eight years for different scenarios.
KEYWORDS
geothermal heat exploitation, greenhouses energy demands, high temperature heat pump, economic analysis
PAPER SUBMITTED: 2015-11-29
PAPER REVISED: 2016-04-26
PAPER ACCEPTED: 2016-05-18
PUBLISHED ONLINE: 2016-07-12
DOI REFERENCE: https://doi.org/10.2298/TSCI151129155U
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2016, VOLUME 20, ISSUE Issue 4, PAGES [1061 - 1071]
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Geothermal heat potential - the source for heating greenhouses in Southestern Europe

© 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