Numerical and experimental thermal analysis for the improvement of various types of windows frames and rolling-shutter boxes

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• 作者：Nicola Cardinale ; Gianluca Rospi…
• 关键词：Experimental and thermal analysis ; Thermal transmittance ; Energy efficiency of windows frames and rolling ; shutter boxes ; Finite element analysis
• 刊名：International Journal of Energy and Environmental Engineering
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：6
• 期：2
• 页码：101-110
• 全文大小：3,125 KB
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• 作者单位：Nicola Cardinale (1)
  Gianluca Rospi (1)
  Tiziana Cardinale (1)
  
  1. Department of European and Mediterranean Cultures: Architecture, Environment, Cultural Heritages (DICEM), University of Basilicata, Via Lazazzera, 75100, Matera, Italy
  
• 刊物主题：Renewable and Green Energy;
• 出版者：Springer Berlin Heidelberg
• ISSN：2251-6832

文摘

Data provided by Italian Ministry of Environment say that in 5?years you consume, just for heating of an apartment, an amount of energy equal to that required for the all construction of the same apartment. The years come down to three if one includes other energy consumption. In terms of primary energy, the building-plant system is responsible for about 45?% of the national energy demand. The rolling-shutter box system, in most cases, is the first responsible for thermal dispersions and input of free heat coming from outside. In addition, the window frames have the obligation of the CE marking to be sold on the free European market. Among the basic requirements, the thermal transmittance is the parameter responsible for the energy performance. The research concerned the energy study of different window frames and rolling-shutter boxes through the use of finite element methodology and experiments in situ. This study was carried out on six different types of windows frames (PVC, wood, and wood-aluminium) and four different models of rolling shutters-boxes (all with structure made by expanded polystyrene). The experimental analysis allowed the comparison between the thermal transmittance values calculated according to the UNI EN ISO 10077-1/2 and measured in accordance with ISO 9869.