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Evaluation of the applicability of the quasi-steady-state overheating indicator for wooden buildings

Kim Goethals (UGent) , Lieselot Smet, Arnold Janssens (UGent) and Jelle Laverge (UGent)
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Abstract
EN 13790 suggests some quasi-steady-state overheating indicator to evaluate the summer comfort in buildings. However, only few countries included this method in the rules primarily because the method still needs major improvement. A group of Belgian architects and builders, for instance, indicated that the overheating indicator overestimates the overheating risk in lightweight structures like wooden buildings and asked Ghent University to back up this assertion and, if necessary, to suggest improvements. This paper discusses the first step in the study: an evaluation of the applicability of the overheating indicator for lightweight structures and an analysis of the effect of several building characteristics and the climate on the calculation parameters of the quasi-steady-state method. To this end the authors performed quasi-steady-state calculations and multi-zone energy simulations with TRNSYS. The results revealed that the overheating indicator overestimates the overheating risk in, especially well-insulated and airtight, lightweight structures and that insulation level, thermal capacitance and climate influence the calculation parameters of the method the most.
Keywords
Woodframe, Quasi-Steady-State, Overheating

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MLA
Goethals, Kim, Lieselot Smet, Arnold Janssens, et al. “Evaluation of the Applicability of the Quasi-steady-state Overheating Indicator for Wooden Buildings.” Contributions to Building Physics. Ed. A Mahdavi & B Martens. Vienna, Austria: Vienna University of Technology, Department of Building Physics and Building Ecology, 2013. 117–123. Print.
APA
Goethals, Kim, Smet, L., Janssens, A., & Laverge, J. (2013). Evaluation of the applicability of the quasi-steady-state overheating indicator for wooden buildings. In A Mahdavi & B. Martens (Eds.), CONTRIBUTIONS TO BUILDING PHYSICS (pp. 117–123). Presented at the 2nd Central European Symposium on Building Physics, Vienna, Austria: Vienna University of Technology, Department of Building Physics and Building Ecology.
Chicago author-date
Goethals, Kim, Lieselot Smet, Arnold Janssens, and Jelle Laverge. 2013. “Evaluation of the Applicability of the Quasi-steady-state Overheating Indicator for Wooden Buildings.” In Contributions to Building Physics, ed. A Mahdavi and B Martens, 117–123. Vienna, Austria: Vienna University of Technology, Department of Building Physics and Building Ecology.
Chicago author-date (all authors)
Goethals, Kim, Lieselot Smet, Arnold Janssens, and Jelle Laverge. 2013. “Evaluation of the Applicability of the Quasi-steady-state Overheating Indicator for Wooden Buildings.” In Contributions to Building Physics, ed. A Mahdavi and B Martens, 117–123. Vienna, Austria: Vienna University of Technology, Department of Building Physics and Building Ecology.
Vancouver
1.
Goethals K, Smet L, Janssens A, Laverge J. Evaluation of the applicability of the quasi-steady-state overheating indicator for wooden buildings. In: Mahdavi A, Martens B, editors. CONTRIBUTIONS TO BUILDING PHYSICS. Vienna, Austria: Vienna University of Technology, Department of Building Physics and Building Ecology; 2013. p. 117–23.
IEEE
[1]
K. Goethals, L. Smet, A. Janssens, and J. Laverge, “Evaluation of the applicability of the quasi-steady-state overheating indicator for wooden buildings,” in CONTRIBUTIONS TO BUILDING PHYSICS, Vienna, Austria, 2013, pp. 117–123.
@inproceedings{4215830,
  abstract     = {EN 13790 suggests some quasi-steady-state overheating indicator to evaluate the summer comfort in buildings. However, only few countries included this method in the rules primarily because the method still needs major improvement. A group of Belgian architects and builders, for instance, indicated that the overheating indicator overestimates the overheating risk in lightweight structures like wooden buildings and asked Ghent University to back up this assertion and, if necessary, to suggest improvements. This paper discusses the first step in the study: an evaluation of the applicability of the overheating indicator for lightweight structures and an analysis of the effect of several building characteristics and the climate on the calculation parameters of the quasi-steady-state method. To this end the authors performed quasi-steady-state calculations and multi-zone energy simulations with TRNSYS. The results revealed that the overheating indicator overestimates the overheating risk in, especially well-insulated and airtight, lightweight structures and that insulation level, thermal capacitance and climate influence the calculation parameters of the method the most.},
  author       = {Goethals, Kim and Smet, Lieselot and Janssens, Arnold and Laverge, Jelle},
  booktitle    = {CONTRIBUTIONS TO BUILDING PHYSICS},
  editor       = {Mahdavi, A and Martens, B},
  isbn         = {9783854373216},
  keywords     = {Woodframe,Quasi-Steady-State,Overheating},
  language     = {eng},
  location     = {Vienna, Austria},
  pages        = {117--123},
  publisher    = {Vienna University of Technology, Department of Building Physics and Building Ecology},
  title        = {Evaluation of the applicability of the quasi-steady-state overheating indicator for wooden buildings},
  year         = {2013},
}

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