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Dynamic Modeling and Validation of Radiant Ceiling Systems Coupled to its Environment
Fonseca, Néstor; Cuevas, Cristian; Lemort, Vincent
2010
Peer reviewed
 

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Keywords :
Radiant ceiling; Modeling
Abstract :
[en] This paper presents the results of a study performed in order to develop a dynamic model of radiant ceiling panels in heating or cooling modes coupled to its environment (fenestration, walls, internal loads and ventilation system). The model considers the radiant panels as a dynamic-state finned heat exchanger connected to a detailed lumped dynamic model of the building (R-C network). The behavior of the radiant ceiling system and the interactions with its environment has been experimentally and numerically evaluated. Using as inputs the radiant ceiling and room dimensions, material properties and the transient measurements of air temperature at the adjacent zones, supply air and water temperatures and mass flow rates, the model allows for the estimation of the water exhaust temperature, radiant ceiling average surface temperature, resultant and dry air room temperatures, radiant ceiling power and internal surface temperatures of the room in order to compare with measurements taken during the commissioning process. Two dynamic tests in heating and cooling modes are used to validate the model.
Disciplines :
Mechanical engineering
Author, co-author :
Fonseca, Néstor;  Universidad Tecnológica de Pereira, Colombia > Facultad de Ingeniería Mecánica
Cuevas, Cristian;  Universidad de Concepción, Chile > Facultad de Ingeniería Mecánica
Lemort, Vincent  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes énergétiques
Language :
English
Title :
Dynamic Modeling and Validation of Radiant Ceiling Systems Coupled to its Environment
Publication date :
July 2010
Event name :
International High Performance Buildings Conference at Purdue
Event organizer :
Purdue University
Event place :
West Lafayette, United States
Event date :
from 12-07-2010 to 15-07-2010
Audience :
International
Peer reviewed :
Peer reviewed
Available on ORBi :
since 25 December 2010

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