THERMAL SCIENCE

International Scientific Journal

Javier Felipe Andreu

,

Daniel Rolph Schneider

,

Goran Krajačić

EVALUATION OF INTEGRATION OF SOLAR ENERGY INTO THE DISTRICT HEATING SYSTEM OF THE CITY OF VELIKA GORICA

ABSTRACT
In the current situation the district heating system supplies the 32% of the total thermal consumption in the City of Velika Gorica. The main issue in the district heating system is the utilization of 14 small and distributed heat plants, each providing heat to a separate and individually disconnected heating grid. Reduction of costs and CO2 emissions can be reached with a high penetration of renewable sources. The aim of this paper is to evaluate and design the integration of a Central Solar Heating Plant with Seasonal Storage into the district heating system of the City. An economic assessment was made with a pessimistic and an optimistic prediction of the solar heat cost for ground mounted collectors and roof mounted collectors. The seasonal storage was chosen to be pit thermal energy storage; the system was modeled as a low-temperature district heating system with the real thermal demands of a district heating plant.
KEYWORDS
district heating, heating demand, solar energy, central solar heating plant with seasonal storage, Velika Gorica
PAPER SUBMITTED: 2015-11-06
PAPER REVISED: 2016-04-04
PAPER ACCEPTED: 2016-04-05
PUBLISHED ONLINE: 2016-05-08
DOI REFERENCE: https://doi.org/10.2298/TSCI151106106A
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2016, VOLUME 20, ISSUE Issue 4, PAGES [1049 - 1060]
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Evaluation of integration of solar energy into the district heating system of the city of Velika Gorica

© 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