Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/96168
Author(s): N. SIMÕES
V. P. de FREITAS
A. TADEU
Title: 2D Steady-state heat and moisture transfer in a multiplayer ground floor in the vicinity of a peripheral concrete wall
Issue Date: 2002
Abstract: The application of the Boundary Element Method (BEM) to the evaluation of steady-state heat and vapour transfer in a ground floor in the vicinity of a peripheral concrete wall is described. The BEM is formulated to allow the use of multi-boundarie, making it possible to discretize all the components. The method and expressions presented are first implemented and validated by applying them to a single homogeneous wall. Then, the BEM isapllied to the model comprising the concrete wall and the floor for different hygrothermal conditions. The temperatureand vapour pressure distributions are compared and critical points, i.e. where condensation may occur, are identified for the different models. It is shown the importance of the two-dimensional analysis due to intensity varation of the heat and vapour flow. The consequence of the presence of a vapour retarder is also examined.
Subject: Engenharia civil, Engenharia civil
Civil engineering, Civil engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia civil
Engineering and technology::Civil engineering
URI: https://repositorio-aberto.up.pt/handle/10216/96168
Source: 6th Nordic Symposium on Building Physics - NSB 2002
Document Type: Artigo em Livro de Atas de Conferência Internacional
Rights: restrictedAccess
Appears in Collections:FEUP - Artigo em Livro de Atas de Conferência Internacional

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