2026-08-22T19:12:42Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/54922024-05-14T10:06:17Zcom_10259_4393com_10259_5086com_10259_2604col_10259_4394
Repositorio Institucional de la Universidad de Burgos
author
Granados López, Diego
author
Diez Mediavilla, Montserrat
author
Dieste Velasco, Mª Isabel
author
Suárez García, Andrés
author
Alonso Tristán, Cristina
2020-09-29T09:33:57Z
2020-09-29T09:33:57Z
2020-04
http://hdl.handle.net/10259/5492
10.3390/app10093095
2076-3417
Daylight availability knowledge is the first step for an energetic and visually e cient
building and city design. It can be estimated with the Vertical Sky Component (VSC), which is
defined as the ratio of the vertical di use illuminance over the unobstructed horizontal di use
illuminance, simultaneously measured at the same point. These illuminance magnitudes are obtained
from luxmeter measurements but these data are scarce. Alternatively, VSC can be obtained from
prior knowledge of the sky illuminance distribution, which can be measured with a sky scanner
device or by reference to the CIE (Commission Internationale de L’Éclairage) Standard classification
for homogeneous skies. Both approaches are compared in this study. The coherence of the results
obtained for the four cardinal orientations are analyzed by applying classical statistical parameters
and luxmeter measurements as references for the results. The measurement campaign was completed
between September 2016 and January 2019 in Burgos (Spain), as representative case study and specific
contribution of this work. It was observed that the VSC values were higher than 100 in many cases:
21.94% for the south- and 33.6% for the east-facing vertical surfaces. The study highlights the good
daylighting conditions in Burgos, mainly due to the predominance of clear skies over much of the
year. This fact implies high daylight availability that, with e cient city planning and building design,
could potentially lead reduction energy consumption of buildings, improvements in visual comfort,
and the well-being of occupants.
eng
Atribución 4.0 Internacional
VSC
Daylighting
Di use illuminance
CIE standard sky classification
Evaluation of the vertical sky component without obstructions for daylighting in Burgos, Spain
info:eu-repo/semantics/article
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