THERMAL SCIENCE

International Scientific Journal

Norbert L. Harmati

,

Radomir J. Folić

,

Zoltán Magyar

,

Jasmina Dražić

,

Nadja Kurtović-Folić

BUILDING ENVELOPE INFLUENCE ON THE ANNUAL ENERGY PERFORMANCE IN OFFICE BUILDINGS

ABSTRACT
The objective of the research is to determine the quantitative influence of building envelope on the annual heating and cooling energy demand in office buildings demonstrated on a reference office-tower building located in Novi Sad, Serbia. The investigation intended to find preferable and applicable solutions for energy performance improvement in currently inefficient office buildings. A comparative and evaluative analysis was performed among the heating energy expenses and simulated values from the multi-zone model designed in EnergyPlus engine. The research determines an improved window to wall ratio using dynamic daylight simulation and presents the influence of glazing parameters (U-value, Solar heat gain coefficient - SHGC) on the annual energy performance. Findings presented window to wall ratio reduction down to 30% and point out the significance of the SHGC parameter on the overall energy performance of buildings with high internal loads. The calculation of the air-ventilation energy demand according to EN 15251 is included respectively. Results offer effective methods for energy performance improvement in temperate climate conditions.
KEYWORDS
energy performance, building envelope, daylight simulation, energy plus
PAPER SUBMITTED: 2014-11-11
PAPER REVISED: 2015-07-27
PAPER ACCEPTED: 2015-07-29
PUBLISHED ONLINE: 2015-08-08
DOI REFERENCE: https://doi.org/10.2298/TSCI141111109H
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2016, VOLUME 20, ISSUE Issue 2, PAGES [679 - 693]
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Building envelope influence on the annual energy performance in office buildings

© 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