THERMAL SCIENCE

International Scientific Journal

Miomir Vasov

,

Jelena N. Stevanović

,

Veliborka B. Bogdanović

,

Marko G. Ignjatović

,

Dušan J. Randjelović

IMPACT OF ORIENTATION AND BUILDING ENVELOPE CHARACTERISTICS ON ENERGY CONSUMPTION CASE STUDY OF OFFICE BUILDING IN CITY OF NIS

ABSTRACT
Buildings are one of the biggest energy consumers in urban environments, so its efficient use represents a constant challenge. In public objects and households, a large part of the energy is used for heating and cooling. The orientation of the object, as well as the overall heat transfer coefficient (U-value) of transparent and non-transparent parts of the envelope, can have a significant impact on building energy needs. In this paper, analysis of the influence of different orientations, U-values of envelope elements, and size of windows on annual heating and cooling energy for an office building in city of Nis, Serbia, is presented. Model of the building was made in the Google SketchUp software, while the results of energy performance were obtained using EnergyPlus and jEplus, taking into ac-count the parameters of thermal comfort and climatic data for the area of city of Nis. Obtained results showed that, for varied parameters, the maximum difference in annual heating energy is 15129.4 kWh, i. e per m2 27.75 kWh/m2, while the maximum difference in annual cooling energy is 14356.1 kWh, i. e per m2 26.33 kWh/m2. Considering that differences in energy consumption are significant, analysis of these parameters in the early stage of design process can affect on increase of building energy efficiency. [Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. TR36037: Construction of Student hostels in Serbia at the beginning of 21st century]
KEYWORDS
energy consumption, office building, orientation, building envelope, energyplus
PAPER SUBMITTED: 2018-05-05
PAPER REVISED: 2018-09-09
PAPER ACCEPTED: 2018-10-10
PUBLISHED ONLINE: 2019-01-19
DOI REFERENCE: https://doi.org/10.2298/TSCI18S5499V
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Supplement 5, PAGES [S1499 - S1509]
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Impact of orientation and building envelope characteristics on energy consumption case study of office building in city of Nis

© 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