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Article

Evaluation of Various Retrofitting Concepts of Building Envelope for Offices Equipped with Large Radiant Ceiling Panels by Dynamic Simulations

1
Slovenian National Building and Civil Engineering Institute, Dimičeva ulica 12, Ljubljana 1000, Slovenia
2
Fraunhofer Institute for Solar Energy Systems, ISE, Heidenhofstrasse 2, Freiburg 79110, Germany
3
Faculty of Architecture, University of Ljubljana, Zoisova cesta 12, Ljubljana 1000, Slovenia
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Fausto Cavallaro
Sustainability 2015, 7(10), 13169-13191; https://doi.org/10.3390/su71013169
Received: 31 July 2015 / Revised: 9 September 2015 / Accepted: 18 September 2015 / Published: 25 September 2015
In order to achieve significant savings in energy and an improved level of thermal comfort in retrofitted existing buildings, specific retrofitting concepts that combine new technologies and design need to be developed and implemented. Large radiant surfaces systems are now among the most promising future technologies to be used both in retrofitted and in new low-energy buildings. These kinds of systems have been the topic of several studies dealing with thermal comfort and energy utilization, but some specific issues concerning their possible use in various concepts for retrofitting are still poorly understood. In the present paper, some results of dynamic simulations, with the transient system simulation tool (TRNSYS) model, of the retrofitted offices equipped with radiant ceiling panels are presented and thoroughly analysed. Based on a precise comparison of the results of these simulations with actual measurements in the offices, certain input data for the model were added, so that the model was consequently validated. The model was then applied to the evaluation of various concepts of building envelopes for office retrofitting. By means of dynamic simulations of indoor environment it was possible to determine the benefits and limitations of individual retrofitting concepts. Some specific parameters, which are relevant to these concepts, were also identified. View Full-Text
Keywords: radiant ceiling panels; heating; cooling; modelling; dynamic simulation; retrofitting concepts radiant ceiling panels; heating; cooling; modelling; dynamic simulation; retrofitting concepts
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MDPI and ACS Style

Jordan, S.; Hafner, J.; Kuhn, T.E.; Legat, A.; Zbašnik-Senegačnik, M. Evaluation of Various Retrofitting Concepts of Building Envelope for Offices Equipped with Large Radiant Ceiling Panels by Dynamic Simulations. Sustainability 2015, 7, 13169-13191. https://doi.org/10.3390/su71013169

AMA Style

Jordan S, Hafner J, Kuhn TE, Legat A, Zbašnik-Senegačnik M. Evaluation of Various Retrofitting Concepts of Building Envelope for Offices Equipped with Large Radiant Ceiling Panels by Dynamic Simulations. Sustainability. 2015; 7(10):13169-13191. https://doi.org/10.3390/su71013169

Chicago/Turabian Style

Jordan, Sabina, Jože Hafner, Tilmann E. Kuhn, Andraž Legat, and Martina Zbašnik-Senegačnik. 2015. "Evaluation of Various Retrofitting Concepts of Building Envelope for Offices Equipped with Large Radiant Ceiling Panels by Dynamic Simulations" Sustainability 7, no. 10: 13169-13191. https://doi.org/10.3390/su71013169

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