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Simulation-based retrofitting of an educational building in terms of optimum shading device and energy efficient artificial lighting criteria
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The high level of daylight performance is crucial to increase academic and work performance of students and staff in educational buildings which are mostly used during the daytime. New design solutions have potential to reach optimum lighting conditions and minimum energy consumption. So, the purpose of this study is to evaluate and propose an energy efficient lighting design for an educational building. The aim is to find the optimum type of shading device with appropriate slat angles, transmittance of glazing, and the luminaire type/layout as well. Utilizing DIALux simulations, scenarios for combinations of these inputs are tested for classrooms, offices and a laboratory, which are non-identical due to their orientation, size, window characterization and facade organization. The procedure covers all significant days (winter/ summer solstice and equinoxes) during one year. Such an integrated approach would be proposed for lighting design and retrofit applications. © 2016, LLC Editorial of Journal “Light Technik”. All rights reserved.