Study of Shading Device Parameters of the Mixed-Mode Ventilation on Energy Performance of an Office Building: Simulation Analysis for Evaluating Energy Performance in Egypt

Abstract

AbstractInvestigations have supplied that double skin facades (DSFs) are capable of developing structure strength performing the usage of the stack effect (buoyancy effect) to dispel heat in addition to shading device to lower the solar warmth transmission in this simulation analysis. The goal of the study is not simplest to research the parameters of shading devices in combined mode ventilated buildings but additionally to lower the annual realistic cooling load of the building energy saving. In times of horizontal shading gadgets, the air temperature of an outdoor dealing with wall’s air void area was more than that of vertical shading strategies. The daylighting operation was estimated by the usage of the daylight factors and effective daylight illuminance (UDI). The conclusions supplied a 38% saving in cooling loads due to the shading device. Observing the daylight component, more points were controlled in a suitable daylight thing of 2–5%, which was uncovered to upward the UDI to 500–2,000 lx. Therefore, the reduction of the cooling loads of constructions at some stage in a shading device is estimated to steer the reduction of the strength intake of buildings. With regard to annual energy consumption, it was found that horizontal shading devices were more effective to reduce energy more than 85% than the base case with a single skin façade.KeywordsDouble skin facadesThermal comfortEnergy performanceAnnual sensible cooling loads