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G. Gourlis, I. Kovacic:
"Energy efficient operation of industrial facilities: the role of the building in simulation-based optimization";
Vortrag: SBE19-Thessaloniki "Sustainability in the built environment for climate change mitigation", Thessaloniki; 23.10.2019 - 25.10.2019; in: "SBE19-Thessaloniki "Sustainability in the built environment for climate change mitigation"", Aristotle University of Thessaloniki, (2019), S. 1 - 9.

Energy efficiency of industrial facilities is a set goal towards developing a sustainable future. Many production facilities though are still not operated at a highly efficient rate in terms of energy use. The complexity of industrial environments requires an integrated analysis of all subsystems - production processes, logistics, building and technical building services - to grasp full optimization potentials. The use of simulation tools provides significant benefit in energy demand modeling and prediction, making its application essential for planning and management of energy efficient industrial facilities. Building Energy Modeling (BEM) and Manufacturing Process Simulation (MPS) have been used by researchers for analyzing mostly building related and process related conditions respectively. A novel approach is the holistic assessment by combining capabilities of BEM and MPS into one simulation environment. Such a hybrid simulation application has been developed within the research project Balanced Manufacturing (BaMa), addressing all subsystems of a production plant. However, the actual condition of a facility, the type and requirements of the manufacturing process, the level of implemented automation as well as the available infrastructure are decisive for the application of the appropriate simulation-based optimization method. Focusing on the subsystem of the building, this paper examines its function within two different approaches for energy demand optimization, through the use cases of industrial facilities with different characteristics. The first case focuses on the building and its components, utilizing BEM, the second on the production processes, utilizing the BaMa method. Thereby the use of Building Information Modeling (BIM) as knowledge database for the simulations models is discussed and the integration of all industrial subsystems is analyzed. The role of the building in each case is highlighted, addressing its benefits and drawbacks.