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Hygrothermal modelling for building energy simulation applications Universiteit Gent
Hygroscopic finishing materials and furniture in buildings are able to absorb and release water vapour if the relative humidity of the room increases or decreases. Numerous building applications require an accurate prediction of the indoor relative humidity already from the design stage. In currently available multizone BES tools the emphasis is mainly on the prediction of thermal comfort and energy use. So far they have not been well suited to ...
Modelling local hygrothermal interaction between airflow and porous materials for building applications Universiteit Gent
Moisture related damage in buildings is a phenomenon which is familiar to most people. Most of the time it is spontaneously associated with damage due to liquid moisture transport such as plumbing leaks, rising moisture in walls, . . . Yet some materials and objects are so sensitive to moisture that they can already be damaged by water vapour transport through the air. This is especially true for culturally or historically valuable artefacts: ...
Implementation of rainwater infiltration measurements in hygrothermal modelling of non-insulated brick cavity walls KU Leuven Universiteit Gent
When to stop drying fruit: Insights from hygrothermal modelling KU Leuven
© 2016 Elsevier Ltd Stopping the drying process prior to complete dehydration reduces energy consumption and processing time but can also improve product quality. Using hygrothermal simulations, different stopping criteria are evaluated, which are based on the final water activity and residual moisture content in the fruit. Their impact on drying time and moisture redistribution kinetics inside fruit is quantified. One of the variants leads to a ...
Modelling indoor air and hygrothermal wall interaction in building simulation: Comparison between CFD and a well-mixed zonal model Universiteit Gent
Traditional models for heat and moisture transport in buildings consider indoor air as a well-mixed gas with uniform properties. Computational fluid dynamics (CFD) offers the possibility of taking into account the effect of air distributions on the interaction with the walls. This paper compares simulations made with a traditional well-mixed model and a CFD model in search for the limitations of the well-mixed model. The possibility of improving ...