Open AccessEnergy Performance of Vertical Extensions on Old Buildings: Comparison between Architectural Membranes and Conventional Building Technologies
Author(s) -
Paulo Mendonça,
Mónica Macieira,
João Miranda Guedes
Publication year - 2020
Publication title -
international journal of environmental sciences and development/international journal of environmental science and development
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.146
H-Index - 3
ISSN - 2010-0264
DOI - 10.18178/ijesd.2020.11.8.1280
Subject(s) - building envelope , architectural engineering , energy consumption , thermal comfort , envelope (radar) , point (geometry) , energy (signal processing) , efficient energy use , consumption (sociology) , thermal insulation , computer science , thermal , engineering , materials science , aerospace engineering , mathematics , nanotechnology , meteorology , social science , radar , statistics , physics , geometry , electrical engineering , layer (electronics) , sociology
This research aims evaluating in what measure the proposed refurbishment solutions with architectural membranes can benefit an existing building and provide an energy efficient alternative to conventional reference building technologies for vertical extensions. In order to do it, an old building from the 19th century, located in Porto (Portugal) is taken as case study. Both solutions are compared regarding thermal comfort, energy consumption for heating/cooling needs using numerical simulation, which allowed evaluating the project from the environmental point of view, based on the energy consumption. The proposed membrane alternatives include conventional and non-conventional thermal/acoustic insulation and a membrane envelope option with vegetation on its external skin. The paper argues that architectural membrane refurbishment solutions can constitute an energy efficient alternative to lightweight conventional ones.