Vodice The Imperial Park Hotel 26 - 28 March 2025
27 th International Conference on Heating, Cooling and Air-conditioning
ABSTRACT
PAPER
Luka SIMIĆ, mag. ing. mech. University of Zagreb Faculty of Mechanical Engineering and Naval Architecture Ulica Ivana Lučića 5 10 000 Zagreb Croatia e-mail: luka.simic@fsb.unizg.hr
MP4
PRESENTATION VIDEO
He graduated in 2022 from the undergraduate and 2023 from the graduate studies in mechanical engineering at the Faculty of Mechanical Engineering and Naval Architecture of the University of Zagreb (FSB). Since 2024, he has been working at the FSB's Chair of Power Plants and Energy Engineering of the Department for Power Plants, En- ergy Engineering and Environment, where he is a junior researcher on the project 'Fostering Ambitious and Effective NECPs in Central and Eastern Europe – Effective NECP'.
izv. prof. dr. sc. Tomislav PUKŠEC University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Zagreb, Croatia
ANALYSIS OF IMPACT OF BUILDING REFURBISHMENT STRATEGIES ON THE TRANSITION TO LOW-TEMPERATURE DISTRICT HEATING
The decarbonization of the building sector is cru- cial for achieving climate neutrality, and district heating systems have shown a key role in this transition. The shift towards 4th generation dis- trict heating (4GDH) requires not only supply-side adjustments but also significant demand-side ad- aptations to ensure efficiency and sustainability. This study examines the impact of different build- ing renovation strategies and changes in heating demand on the adaptation of district heating substations, focusing on their compatibility with
new operating conditions. A simulation-based approach is used to analyse different adaptation strategies, evaluating their technical and eco- nomic feasibility under varying renovation sce- narios. The analysis provides insights into renova- tion measures and economically viable solutions for determining the right timing of transition from high-temperature to low-temperature operating regimes in district heating networks while ensur- ing system reliability and cost-effectiveness.
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2nd Thematic Section - FRAN BOŠNJAKOVIĆ DAY
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