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2.1 INTRODUCTION
2.1 INTRODUCTION
The external walls are referred to as „facades‟ that feature a fundamental function of protection from weather and also interior comfort. Another aspect is its aesthetical feature and the need for ornamentation to offer the building‟s identity. The building facades mark the transition between outside and inside. Since facades act as a physical barrier, the need and comfort of its occupants, including tasks such as lighting, ventilation, and solar gains should be addressed. This inability of self-detection and self-adjustment cause the event of building envelopes that might perform under all kinds of weather.
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How enveloping did got transformed into skins?
Interactive membranes replaced facades, a high covering interactive surface ready to exchange information with inside and outside of the building. Building membrane acts as a climatic mediator between climate and occupant. The term “intelligent” and “adaptive” building skins are referred to in facade design as the building envelopes that enhance the relationship between the built and the natural environment by using design principles inspired by nature.
The „intelligent skin‟ is an essential part of the intelligent building, that element which performs the function of enveloping the inner space. It is a composition of construction elements confined to the outer, weather-protected zone of the building, which respond predictably to environmental variations, to maintain a comfortable environment. Energy flowing through the building fabric is automatically controlled for the maximum gain and minimal reliance on imported energy.
