2020
DOI: 10.15627/jd.2020.10
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Optimization of Daylight Performance Based on Controllable Light-shelf Parameters using Genetic Algorithms in the Tropical Climate of Malaysia

Abstract: This study aims to achieve a balance of daylight availability in the work-plane environments of a fully glazed facade integrated with a light shelf system using an optimization procedure that can assist architects with assessing the daylighting performance of numerous design alternatives, and build-up the optimized design. The approach uses parametric design, simulation modelling, and genetic algorithms. A case study of a typical office is carried out to test and verify the effectiveness of the optimization pr… Show more

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Cited by 36 publications
(32 citation statements)
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“…These particular dates were selected to represent the most serious climatic conditions of the sun path in the tropical sky of Malaysia. In other words, the highest and the lowest solar altitudes are recorded on the summer and winter solstices, respectively, while the sun's altitude lies between the values of these two solstices on the equinox [50]. To experience different behavior of the sun concerning the room's window, all cardinal orientations (North, South, East, and West), and three critical times during a day (9:00 a.m., 12:00 p.m., and 3:00 p.m.), representing different solar azimuth angles, were employed for the simulation tests.…”
Section: Simulation Proceduresmentioning
confidence: 96%
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“…These particular dates were selected to represent the most serious climatic conditions of the sun path in the tropical sky of Malaysia. In other words, the highest and the lowest solar altitudes are recorded on the summer and winter solstices, respectively, while the sun's altitude lies between the values of these two solstices on the equinox [50]. To experience different behavior of the sun concerning the room's window, all cardinal orientations (North, South, East, and West), and three critical times during a day (9:00 a.m., 12:00 p.m., and 3:00 p.m.), representing different solar azimuth angles, were employed for the simulation tests.…”
Section: Simulation Proceduresmentioning
confidence: 96%
“…Referring to previous studies, clear and tinted window films are commonly used in residential buildings in tropical regions [20,47,48]. Window glazing with the visible transmittance (vt) of 20% to 80% is mostly used In Malaysia [49,50]. In another study by Lim et al, [51], the visible transmittance of 53% and 54% were used in several existing buildings in Malaysia.…”
Section: Simulation Proceduresmentioning
confidence: 98%
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“…An office space with single glazed, window-wall façade bounded by walls on the sides is adopted for the procedure to depict the typical spatial configuration of multi-story open-plan office buildings in Malaysia [19,32,33]. The room measures 9 m by 6 m, with floor-to-ceiling height of 3m, with no consideration for furniture layout or occupancy density.…”
Section: Test Modelmentioning
confidence: 99%