Simplified method based on the diffuse light availability to estimate the buildings daylight harvesting potential
DOI:
https://doi.org/10.11606/issn.2317-2762.posfau.2020.168249Keywords:
Daylight, Difuse daylight illuminance, Lighting energy consumption, Simplified methodAbstract
This study aimed on verifying the application of the simplified method on different scenarios and checking its accuracy relative to the computer simulation regarding the lighting consumption economy due to daylight use. For this, we evaluated the results obtained from the computer simulation from six case studies with the proposed method. The case studies were evaluated assuming three different distribution for the lighting sensors, two environment types and two opening dimensions, all referring to the city of Florianopolis, Santa Catarina. The validity of choosing a single point was tested, located in the lower daylight portion of the sensor influence area, to verify the method's potential of estimating the autonomy of daylight as well as the lighting's energy consumption. The results showed that choosing the point with least light availability was valid, and it is recommended further studies to verify the limits of the method's application. It was also pointed out the tendency to underestimate the use of daylight, with some exceptions, depending on the orientation and the size of the opening.
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Copyright (c) 2020 Suelem Schier de França, Raphaela Walger da Fonseca, Fernando Oscar Ruttkay Pereira
This work is licensed under a Creative Commons Attribution 4.0 International License.
This work is licensed under a Creative Commons Attribution 4.0 International License.
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