alexa Abstract | Simulation of Day-Lighting Characteristics in the Cavity of Double Glazed Facade
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Research Article Open Access

Abstract

The aim of this research is to evaluate day-lighting levels for Office Buildings that utilises Double Glazed Facades-DGF. The main objectives are to study the day-lighting characteristics inside the cavity at different cavity depths in double skin facade office to find a good lighting, and effects of varying window areas on day-lighting behaviours with sensor height grid 0.700 m. The study also involves the analysis of Inlux on the weather data for Jakarta. The simulations were done using the building simulation software ECOTECT, whereas the protocol was applied to an experimental study of north-facing model with exterior full glass wall and the interior wall with different size windows from 10% to 100% window to wall ratio. Where compared the day lighting levels to verify from the results that got from ECOTECT software by using DIALUX software under the same sky condition (overcast sky), the results were not very different under overcast sky in ECOTECT 469 lux and DIALUX 482 lux. However it can be concluded that the daylight - DL decreases with the increase in the cavity depths and increases with the increase in the window sizes. The comfortable day-lighting levels are found when the window size is not more than 50% window wall ratio (WWR) and the cavity depth is not bigger than 1m.

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Author(s): Mohamed Ali Abdulsalam, Hamza Jaber Mohamed, Miftahul Anwar, Muhammad Nizam

Keywords

DGF, Ecotect, Dialux day-lighting factors & day-lighting levels., Simulation Computer Science

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