Reference : Dynamic Thermal Modeling of a Radiant Panel System and its Environment for Commission...
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Energy
Dynamic Thermal Modeling of a Radiant Panel System and its Environment for Commissioning: Application to a Case Study
Fonseca Diaz, Nestor [Universidad Tecnologica de Pereira > Facultad de Ingenieria Mecanica > > >]
Bertagnolio, Stéphane mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Thermodynamique appliquée >]
Proceedings of the 9th International Conference for Enhanced Building Operation, Austin, TX
9th International Conference for Enhanced Building Operation
November 17-18, 2009
[en] As a part of a commissioning study, the cooling ceiling system of a large commercial building located in Belgium is evaluated. A representative office has been instrumented and data on the cooling ceiling system operating in real conditions have been collected. The simulation of the whole system is performed by means of a dynamic thermal model of the building and its HVAC system. The model considers the radiant panels as a dynamic-state finned heat exchanger connected to a simplified lumped dynamic model of the building. The behavior of the radiant ceiling system and the interactions with his environment (walls, ventilated façade, internal loads and ventilation system) has been experimentally and numerically evaluated. Commissioning test results show that the influence of surfaces temperatures inside the room, especially the façade, is considerable. Then, it is clear that the radiant ceiling system must be evaluated together with its designed environment and not as separate HVAC equipment.
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