The influence of moisture on the energy performance of retrofitted walls / Mafalda Amorim, Vasco Peixoto de Freitas, Isabel Torres, Tomasz Kisilewicz, Umberto Berardi // W: MATBUD’2020 – Scientific-Technical ... więcej

The influence of moisture on the energy performance of retrofitted walls / Mafalda Amorim, Vasco Peixoto de Freitas, Isabel Torres, Tomasz Kisilewicz, Umberto Berardi // W: MATBUD’2020 – Scientific-Technical Conference: E-mobility, Sustainable Materials and Technologies [Dokument elektroniczny] / eds. Tomasz Tracz, Katarzyna Mróz, Tomasz Zdeb. – [S.l.] : EDP Sciences, 2020. – (MATEC Web of Conferences, ISSN 2261-236X ; 322). – 8 s. : tab., wykr. – Tryb dostępu: https://www.matec-conferences.org/articles/matecconf/pdf/2020/18/matecconf_matbud2020_01035.pdf. – Oznaczenie ref./art.: 01035. – Bibliogr. 18 poz., Abstr. – Section: E-mobility, Sustainable Materials and Technologies. – Mat. konf.: MATBUD’2020, Cracow, 19-21.10.2020. – doi: 10.1051/matecconf/202032201035. – ISBN 978-2-7598-9108-5

The renovation of old building facades should be performed mainly considering the building energy demand reduction. For this purpose, it is necessary to select retrofitted solutions that should be able ... więcej

The renovation of old building facades should be performed mainly considering the building energy demand reduction. For this purpose, it is necessary to select retrofitted solutions that should be able of minimizing heat losses through walls. However, it is not only the nominal thermal transmittance that influences the amount of heat transported through the wall, but also the moisture content within the walls under in- service conditions. The main objective of this paper is the evaluation of the influence of the moisture content on the energy performance of retrofitted walls. A numerical study using the software WUFI Pro was carried out to quantify the influence of wind driven rain on the thermal transmittance of different wall assemblies exposed to different climates and orientations. This study reports the transient thermal transmittance of different retrofitted wall solutions as a function of moisture content.