A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Thermal performance of wall/floor joints in buildings envelope
Wall/floor and wall/roof intersections are important parts of a building envelope system. These intersections can be sources of thermal bridging effects and/or moisture condensation problems. This paper provides a detailed analysis of the thermal performance of wall/floor intersection. In particular, two-dimensional steady-state and transient solutions of the heat conduction within the wall/floor joint are presented. Various insulation configurations are considered to determine the magnitude of heat transfer increase due to wall/floor joint construction. The analysis presented in this paper provides the temperature distribution within the building envelope, the heat flux profile along the interior wall and floor surface, and the total floor and wall heat losses/gains. Based on the results of the analysis, it was found that thermal insulation placed at the inner surface of both the floor and the walls can reduce significantly the thermal bridging effects at the wall/floor intersection. Moreover, it was found that the thermal insulation layer can be modeled by a simple heat transfer coefficient. This modeling simplification allows an analytical solution of the heat transfer within a wall/floor joint to be obtained.
Thermal performance of wall/floor joints in buildings envelope
Wall/floor and wall/roof intersections are important parts of a building envelope system. These intersections can be sources of thermal bridging effects and/or moisture condensation problems. This paper provides a detailed analysis of the thermal performance of wall/floor intersection. In particular, two-dimensional steady-state and transient solutions of the heat conduction within the wall/floor joint are presented. Various insulation configurations are considered to determine the magnitude of heat transfer increase due to wall/floor joint construction. The analysis presented in this paper provides the temperature distribution within the building envelope, the heat flux profile along the interior wall and floor surface, and the total floor and wall heat losses/gains. Based on the results of the analysis, it was found that thermal insulation placed at the inner surface of both the floor and the walls can reduce significantly the thermal bridging effects at the wall/floor intersection. Moreover, it was found that the thermal insulation layer can be modeled by a simple heat transfer coefficient. This modeling simplification allows an analytical solution of the heat transfer within a wall/floor joint to be obtained.
Thermal performance of wall/floor joints in buildings envelope
Ihm, Pyeongchan (author) / Krarti, M. (author)
1998
9 Seiten, 9 Quellen
Conference paper
English
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