Results 11 to 20 of about 22,263 (163)

Numerical Simulations and Empirical Data for the Evaluation of Daylight Factors in Existing Buildings in Sweden

open access: yesEnergies, 2019
Point Daylight Factor (DFP) has been used for daylighting design in Sweden for more than 40 years. Progressive densification of urban environments, in combination with stricter regulations on energy performance and indoor environmental quality of ...
Sara Eriksson   +4 more
doaj   +1 more source

Predicting Daylight Illuminance for 15 CIE Standard Skies Using a Simple Software Tool

open access: yesFrontiers in Sustainable Cities, 2022
Estimation of internal daylight availability is the key step in evaluating various daylighting schemes. Interior daylight is often expressed as daylight factor under the traditional International Commission on Illumination (CIE) overcast sky. Nonetheless,
Ernest Kin Wai Tsang   +2 more
doaj   +1 more source

Rethinking daylighting and compliance

open access: yesJournal of Sustainable Design and Applied Research in Innovative Engineering of the Built Environment, 2013
Daylight in buildings is the natural illumination experienced by the occupants of any man-made construction with openings to the outside. Our attempts to formulate some measure of daylight provision in buildings can be traced back over a century, and the
John Mardaljevic
doaj   +1 more source

Minimum Daylight Autonomy: A New Concept to Link Daylight Dynamic Metrics with Daylight Factors

open access: yesLEUKOS, 2019
Daylight metrics act as a useful tool to quantify the potential of natural light in an architectural space as well as the energy savings promoted by a suitable design of windows, atriums, and skylights. Accordingly, a new indoor lighting metric is proposed, minimum daylight autonomy, defined as the percentage of occupied time when an illuminance ...
Acosta García, Ignacio Javier   +3 more
openaire   +3 more sources

WEB BASED SIMULATION PERFORMANCE OF LIGHT PIPE DAYLIGHT TRANSPORTER AS A SUSTAINABLE SYSTEM IN AN OFFICE BUILDING [PDF]

open access: yesProceedings on Engineering Sciences, 2022
The Internal quality environment in a room/office purely depends on the daylighting. Light pipe offers to bring sunlight through passive way to the core of the building.
Badri Narayan Mohapatra
doaj   +1 more source

Analysis of Point Daylight Factor (PDF) Average Daylight Factor (ADF) and Vertical Daylight Factor (VDF) under various unobstructed CIE Standard Skies

open access: yesIOP Conference Series: Materials Science and Engineering, 2019
Abstract The usual method for computing natural illuminance for a given location in a building is the daylight factor (DF) approach, which is based on the traditional overcast sky without sunlight, as defined by the International Commission on Illumination (CIE).
Danny H W Li   +3 more
openaire   +1 more source

Investigating Correlation of Window’s Configuration of Classroom and Daylight Indicators in Hot and Arid Region of Kerman City [PDF]

open access: yesIranica Journal of Energy and Environment
For reading and writing in classrooms therefore a lot of energy is consumed in educational spaces. Limitation of fossil fuels and environmental pollution are two subjects that demonstrate the importance and significance of the present study.
N. Daei Parizi, M. Nikpour, H. Fallah
doaj   +1 more source

Daylighting in classrooms - the daylight factor as a performance criterion

open access: yes, 2014
Recent research has shown that environmental conditions in classrooms, and namely daylighting conditions, can influence students health, well-being and performance. In the last years several studies, dealing with the effects of environmental conditions in classrooms in the learning process, have been published (Winterbottom, & Wilkins, 2009; Barret ...
Pinto, M.   +4 more
openaire   +4 more sources

The effectiveness of dayligting through the toplighting design in large-volume building models

open access: yesARTEKS : Jurnal Teknik Arsitektur, 2021
The utilization of daylighting as an effort to reduce the usage of building energy needs to be optimized. This is because, low-rise buildings with large volumes require specific strategies for proper light distribution throughout the space.
Ariani Mandala   +2 more
doaj   +1 more source

Daylighting Evaluation of Perforated Screen Façade with Light Shelf in the Tropics

open access: yesDimensi: Journal of Architecture and Built Environment
The use of large glass facades in buildings without external shading devices leads to a high daylight level, uneven daylight distribution, and glare. A perforated screen facade (PSF) is one of the shading systems that can provide daylight and view and ...
Feny Elsiana, Lilianny S Arifin
doaj   +1 more source

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