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The impact of users’ behaviour on solar gains in residential buildings

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2018
bitstream_1724.pdf (1.841Mb)
Authors
Rajčić, Aleksandar
Radivojević, Ana
Đukanović, Ljiljana
Conference object (Published version)
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Abstract
Regulations governing the relevant procedures for the energy certification of buildings in Serbia do not consider the impact of users’ behaviour on the level of heat loss or gain. In the case of solar heat gains, the gains are calculated both through transparent, as well as through non-transparent thermal envelope positions. Solar gains through transparent parts - windows and balcony doors are dominant, and depend on thermal properties of windows, orientation, shadings. In this regard, the regulation stipulates that all transparent (and semi-transparent) surfaces in the residential areas, other than those oriented to the north, northeast and northwest, must have non-transparent protection from direct solar radiation in the summer period. Shading elements can be permanent and movable, and their shading effect is defined by the standard EN 13790. Users express different attitude towards the possibilities of solar gains provided through the glazed parts. This is mainly determin...ed by the dynamics of moving (lifting) the shadings, which depends on their presence and, to a large extent, on the heating system (with the assumption that in buildings connected to the district heating system and the lump sum of heat consumption per m2, users are not motivated to contribute actively to the heat gains). The paper analyses the ratio of lifted / lowered (outer) shadings at different times of the day in the winter period on several examples of collective housing in Belgrade, with the aim of establishing the effective calculated area of the window for solar gains. The comparison of the obtained results with the parameters of the reduction due to sun protection equipment defined by the standard EN 13790, aims to establish and promote the design values that are realistic for use in the energy certification procedure of residential buildings.

Keywords:
Residential buildings / Solar gains / Windows / Shadings / Users’ behaviour
Source:
Conference Proceedings [Elektronski izvor] / 5th international Academic Conference on Places and Technologies, [Belgrade], 2018, 509-516
Publisher:
  • Belgrade : University, Faculty of Architecture

ISBN: 978-86-7924-199-3

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_raf_649
URI
https://raf.arh.bg.ac.rs/handle/123456789/649
Collections
  • Publikacije istraživača / Researchers' publications
Institution/Community
Arhitektonski fakultet
TY  - CONF
AU  - Rajčić, Aleksandar
AU  - Radivojević, Ana
AU  - Đukanović, Ljiljana
PY  - 2018
UR  - https://raf.arh.bg.ac.rs/handle/123456789/649
AB  - Regulations governing the relevant procedures for the energy certification of buildings in Serbia
do not consider the impact of users’ behaviour on the level of heat loss or gain. In the
case of solar heat gains, the gains are calculated both through transparent, as well as through
non-transparent thermal envelope positions. Solar gains through transparent parts - windows
and balcony doors are dominant, and depend on thermal properties of windows, orientation,
shadings. In this regard, the regulation stipulates that all transparent (and semi-transparent)
surfaces in the residential areas, other than those oriented to the north, northeast and northwest,
must have non-transparent protection from direct solar radiation in the summer period.
Shading elements can be permanent and movable, and their shading effect is defined by the
standard EN 13790.
Users express different attitude towards the possibilities of solar gains provided through the
glazed parts. This is mainly determined by the dynamics of moving (lifting) the shadings, which
depends on their presence and, to a large extent, on the heating system (with the assumption
that in buildings connected to the district heating system and the lump sum of heat consumption
per m2, users are not motivated to contribute actively to the heat gains).
The paper analyses the ratio of lifted / lowered (outer) shadings at different times of the day
in the winter period on several examples of collective housing in Belgrade, with the aim of
establishing the effective calculated area of the window for solar gains. The comparison of the
obtained results with the parameters of the reduction due to sun protection equipment defined
by the standard EN 13790, aims to establish and promote the design values that are realistic
for use in the energy certification procedure of residential buildings.
PB  - Belgrade : University, Faculty of Architecture
C3  - Conference Proceedings [Elektronski izvor] / 5th international Academic Conference on Places and Technologies, [Belgrade]
T1  - The impact of users’ behaviour on solar gains in residential buildings
SP  - 509
EP  - 516
UR  - https://hdl.handle.net/21.15107/rcub_raf_649
ER  - 
@conference{
author = "Rajčić, Aleksandar and Radivojević, Ana and Đukanović, Ljiljana",
year = "2018",
abstract = "Regulations governing the relevant procedures for the energy certification of buildings in Serbia
do not consider the impact of users’ behaviour on the level of heat loss or gain. In the
case of solar heat gains, the gains are calculated both through transparent, as well as through
non-transparent thermal envelope positions. Solar gains through transparent parts - windows
and balcony doors are dominant, and depend on thermal properties of windows, orientation,
shadings. In this regard, the regulation stipulates that all transparent (and semi-transparent)
surfaces in the residential areas, other than those oriented to the north, northeast and northwest,
must have non-transparent protection from direct solar radiation in the summer period.
Shading elements can be permanent and movable, and their shading effect is defined by the
standard EN 13790.
Users express different attitude towards the possibilities of solar gains provided through the
glazed parts. This is mainly determined by the dynamics of moving (lifting) the shadings, which
depends on their presence and, to a large extent, on the heating system (with the assumption
that in buildings connected to the district heating system and the lump sum of heat consumption
per m2, users are not motivated to contribute actively to the heat gains).
The paper analyses the ratio of lifted / lowered (outer) shadings at different times of the day
in the winter period on several examples of collective housing in Belgrade, with the aim of
establishing the effective calculated area of the window for solar gains. The comparison of the
obtained results with the parameters of the reduction due to sun protection equipment defined
by the standard EN 13790, aims to establish and promote the design values that are realistic
for use in the energy certification procedure of residential buildings.",
publisher = "Belgrade : University, Faculty of Architecture",
journal = "Conference Proceedings [Elektronski izvor] / 5th international Academic Conference on Places and Technologies, [Belgrade]",
title = "The impact of users’ behaviour on solar gains in residential buildings",
pages = "509-516",
url = "https://hdl.handle.net/21.15107/rcub_raf_649"
}
Rajčić, A., Radivojević, A.,& Đukanović, L.. (2018). The impact of users’ behaviour on solar gains in residential buildings. in Conference Proceedings [Elektronski izvor] / 5th international Academic Conference on Places and Technologies, [Belgrade]
Belgrade : University, Faculty of Architecture., 509-516.
https://hdl.handle.net/21.15107/rcub_raf_649
Rajčić A, Radivojević A, Đukanović L. The impact of users’ behaviour on solar gains in residential buildings. in Conference Proceedings [Elektronski izvor] / 5th international Academic Conference on Places and Technologies, [Belgrade]. 2018;:509-516.
https://hdl.handle.net/21.15107/rcub_raf_649 .
Rajčić, Aleksandar, Radivojević, Ana, Đukanović, Ljiljana, "The impact of users’ behaviour on solar gains in residential buildings" in Conference Proceedings [Elektronski izvor] / 5th international Academic Conference on Places and Technologies, [Belgrade] (2018):509-516,
https://hdl.handle.net/21.15107/rcub_raf_649 .

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