Impact of Intelligent Skin Façade on Daylighting Performance in Educational Spaces by Using Sun-Tracking System

Abstract

Recently, there is growing interest in the energy problem and the need to reduce its consumption in Egypt. Central Agency for Mobilization and Statistics (CAPMAS) has identified electricity consumption rates in different sectors (CAPMAS, 2019). Energy consumptions percentages in residential buildings are greater than the consumption for both the transport and the industrial sector. Based on this principle, the term energy conservation in buildings has received central attention in Egypt at the levels of the public, designers and decision makers in the construction sector, where the energy consumption rates in residential buildings 41.7%, 25.5% for industrial sector, for public utilities and government agencies is 13%, for commercial sector is 5%, for agriculture, irrigation and drainage sector are 5.7% and 9.4% for other agencies in 2019 [ ]. Building envelopes are synergetic systems highly dependent on their environment, constantly undergoing change to regulate, as all organisms do their internal comfort levels to the external conditions (Persiani, et al., 2016) [ ]. In the context of intelligent facade systems, latent energies which are mostly left unexploited become interesting design opportunities for unpowered reaction. Building skins are like human body skin which protect body from adverse conditions for survival. Intelligent skins are able to react diversely toward different conditions and different environment conditions and responsible for the adaptation function toward surrounding environment. Nowadays, building skins have changed apparently and by modern technology have more complicated than past (Pesenti, et al., 2015) [ ].