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Dynamic analysis and visualization of water vapor diffusion through building components

Mahdavi, A. and Lam, K. P.
1993
ASHRAE Transactions, v 99, pt 1, p 288-296


Mahdavi, A. and Lam, K. P., (1993), "Dynamic analysis and visualization of water vapor diffusion through building components", ASHRAE Transactions, v 99, pt 1, p 288-296.
Abstract:
Water vapor condensation within building components can cause severe problems pertaining to hygro-thermal performance and building integrity. These problems may range from significant decrease of the thermal insulation properties of materials, degradation of organic materials, and mold growth as well as freezing damages in condensation zones. Therefore, it is especially important for the design of exterior building components to develop tools for the prediction and evaluation of the water vapor diffusion and condensation processes. The majority of the calculation procedures developed in the past deal primarily with the numeric assessment of moisture transport processes in building components. This paper presents a computer-aided method for the real-time visualization of water vapor diffusion in multi-layered building components. It explicitly addresses the issues of dynamic visualization, integration in computer-aided architectural design (CAAD) environments, as well as its application as an educational tool.

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