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The influence of façade colour, glazing area and geometric configuration of urban canyon on the spectral characteristics of daylight
ID
Šprah, Nataša
(
Author
),
ID
Potočnik, Jaka
(
Author
),
ID
Košir, Mitja
(
Author
)
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https://www.sciencedirect.com/science/article/pii/S0360132324000568
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Abstract
Since the non-image-forming (NIF) effect of daylight on the human circadian system is widely accepted, adequate exposure to daylight is now considered one of the elements of a healthy life. In urban environment, one of the prerequisites for adequately lit indoor spaces is the amount and quality of daylight reaching the window, which is highly dependent on the characteristics of the urban environment. The aim of the study was to determine whether there are correlations between urban density (i.e., distance between buildings, building height), façade surface characteristics (i.e., colour and Window-to-Wall Ratios – WWR) and NIF potential of daylight. The study was conducted on a parametric geometric model of a street canyon covering a wide range of characteristics. Simulation results were interpreted using the Relative Melanopic Efficacy coefficient and Sky View Factor. The results indicate that the colour of the opposite façade can substantially impact the resulting NIF potential, especially for orange-red or blue hues. The results of the study show that this influence for building heights between 3 and 8 storeys becomes significant when the width of the urban canyon is less than 25 m and becomes substantially smaller at WWRs above 30 %.
Language:
English
Keywords:
urban planning
,
daylight
,
non-image forming effects of light
,
circadian light
,
urban canyon
,
façade colour
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FGG - Faculty of Civil and Geodetic Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2024
Number of pages:
17 str.
Numbering:
Vol. 251, art. 111214
PID:
20.500.12556/RUL-156205
UDC:
711.4
ISSN on article:
1873-684X
DOI:
10.1016/j.buildenv.2024.111214
COBISS.SI-ID:
181711875
Publication date in RUL:
14.05.2024
Views:
312
Downloads:
61
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Record is a part of a journal
Title:
Building and environment
Publisher:
Elsevier
ISSN:
1873-684X
COBISS.SI-ID:
22989573
Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Secondary language
Language:
Slovenian
Keywords:
urbano planiranje
,
dnevna svetloba
,
svetloba v mestu
Projects
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
J2-3036
Name:
Izračun letnega cirkadianega potenciala v stavbah z uporabo tehnik strojnega učenja (YCPdeep)
Funder:
ARIS - Slovenian Research and Innovation Agency
Project number:
P2-0158
Name:
Gradbene konstrukcije in gradbena fizika
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