Abstract
The energy conversations methods and techniques take a significant role in the energy performance of the buildings. Façade and shading systems are in continuous development, and recent studies are showing the importance of implementation of such systems to reduce energy consumption and enhance the effectiveness of the building performance. School buildings are mostly being used during daytime, hence, require active use of sunlight. A measure that is taken on a school building envelope can prevent overheating and overcooling and reduce the heating and cooling energy consumption but at the same time can increase the lighting energy consumption vice versa. Thus, it is necessary to optimise the energy required for climatisation of a building with lighting energy demand. The main aim of the paper is to provide analysis for façade and shading systems applied to a school building and study the effectiveness of it on energy consumption and conservation. The case study for this paper is a typical building project designed to be located in Istanbul, Turkey and has a traditional façade system which is clear double layer windows without any shading devices. The analyses of the energy efficiency of these systems will be presented. The different glazing types and shading systems alternatives will show the most efficient one to be used as some optimised alternatives for the systems. Findings indicate that proper glazing and shading systems can reduce the needed energy for heating and lightening and thus total energy consumption of a school building significantly.
Highlights
Building openings, in general, are the connection to the outside world; those openings are windows, doors, curtain walls, and skylights, etc
This study aims to provide analysis for the different types of façade and shading systems and obtain the energy conservation and efficiency for each system and to make a comparison between systems in term of total energy consumed per meter square for cooling energy, heating energy, and lighting energy
Three values for each combination that shows the total energy, heating energy and lighting consumed per year for the square meter of the building
Summary
In general, are the connection to the outside world; those openings are windows, doors, curtain walls, and skylights, etc. Openings play a significant role in achieving the comfort for the residents of the building, as they continuously exposed to the sun and exterior climate, building users might be exposed to the direct sun rays, glare, UV and heat gain. The glass is highly used as a cover for these openings due to its low cost and high transparency. Glass nowadays has different types and categories. The thermal characteristics and the used techniques to reduce the heat gain on the glass is discussed. In addition to that, shading systems can be used to cover the openings of buildings, it reduces the heat and sun glare and there are many types of shading systems with different materials and mechanism that can be used as this paper will discuss
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