Impact Factor (2025): 6.9
DOI Prefix: 10.47001/IRJIET
Globally,
energy conservation to reduce the running cost of buildings especially
institutional buildings have been a priority. Efforts have been geared towards
achieving this through design process. The importance of daylighting in
administrative buildings has long been acknowledged as a valuable source of
energy savings and visual comfort. In Nigeria, administrative buildings are the
top energy consumers. The performance of daylighting in administrative
buildings was studied in this research work. In carrying out the study, a major
administrative building has been selected for this analysis. Various parameters
were generated from existing research work on the indicators and determinants
of daylighting performance of an administrative building and a simulation
program of the building was carried out to determine the result. With the
purpose of analysing the information gathered, a descriptive analysis was used
to analyse the performance of daylighting in the building, which was explained
further in the methodology. There search offered simulation findings using the
software Insight360®to determine the performance of daylighting in percentage
at different areas in the building that is expose to direct sun light with the
result stating that daylighting decreases slightly towards the middle of the
space at an average of 31.7 %. This is due to the extent at which light travels
as well as other surfaces that reflect and absorb light, resulting in a
reduction in the intensity of the light. Towards the extreme of the space,
daylighting diminished to a minimum level of 2.9% due to the light exposure
rate and total material absorption. In general, the design of administrative
buildings should be such that daylighting performance is optimized from the
design stage with the aid of Building Information Model (BIM) software to
ensure proper lighting-based illumination.
Country : Nigeria
IRJIET, Volume 6, Issue 11, November 2022 pp. 40-46