Modeling of active beam units with Modelica
作者： Alessandro Maccarini , Göran Hultmark , Anders Vorre , Alireza Afshari , Niels C. Bergsøe
DOI: 10.1007/S12273-015-0236-5
关键词: Beam (structure) 、 Engineering 、 Mechanics 、 Mean absolute percentage error 、 Term (time) 、 Thermal 、 Empirical equations 、 Modelica 、 Building energy simulation 、 Building energy 、 Simulation
摘要: This paper proposes an active beam model suitable for building energy simulations with the programming language Modelica. The encapsulates empirical equations derived by a novel terminal unit that operates low-temperature heating and high-temperature cooling systems. Measurements from full-scale experiment are used to compare thermal behavior of one predicted simulations. simulation results show corresponds closely actual operation. predicts outlet water temperature maximum mean absolute error 0.18 °C. In term percentage error, differ 0.9%. methodology presented is general enough be applied modeling other units.
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