Optimization of the Public Buildings Energy Supply: The Case of the School in Koprivnica

Filipović, Petar and Dominković, Dominik Franjo and Ćosić, Boris (2016) Optimization of the Public Buildings Energy Supply: The Case of the School in Koprivnica. = Optimization of the Public Buildings Energy Supply: The Case of the School in Koprivnica. In: 2nd South East European Conference on Sustainable Development of Energy, Water and Environment Systems - SEE SDEWES, 15-18.06.2016., Piran, Slovenija.

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Official URL: https://bib.irb.hr/prikazi-rad?&rad=824047


There is a rising interest in the improvement of energy efficiency in public buildings nowadays at the EU level. Increasing energy efficiency can lead to both better thermal comfort, as well as net savings on energy bills. Furthermore, the right choice of energy source can lead to large savings in CO2 emissions. Recently, there have been a lot of projects in Croatia concerning the renovation of schools. However, many of them do not take the holistic approach during the refurbishment projects. They rather focus on a partial solution, focusing only on heating or heating and power supply. Furthermore, the choice of heating furnaces is often based on old and inaccurate data, without any mid or long term planning. In order to solve this issue, a simple to use continuous linear optimization model has been developed, which calculates the best investment options for heating, cooling and power supply. The model has a variety of choices and chooses the optimal one based on the external conditions entered, such as hourly temperatures, wind speed and global insolation. The model uses hourly time steps during one year, while the objective function of the developed model is to maximize net present value of the project. The model was validated on a case of Antun Nemcic Gostovinski primary school in Koprivnica, Croatia. The school has 728 pupils and 77 employees and is open from 08 AM to 08 PM every working day. It also has two adjacent gyms, kitchen and the library. The model showed that significant savings could be achieved by taking a holistic approach during the refurbishment of the building, at the same time increasing thermal comfort of the students and employees. Finally, the developed model would be easy to adapt to any other similar public building, which could lead to further savings in energy consumption.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Public buildings renovation; CO2 reduction; Thermal comfort; Net Present Value; Energy efficiency
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 500 Department of Energy, Power Engineering and Environment > 510 Power Engineering and Energy Management Chair
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 03 Mar 2017 14:37
Last Modified: 03 Mar 2017 14:37
URI: http://repozitorij.fsb.hr/id/eprint/7515

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