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Heat equation; moisture; saturation line; hygric model; building engineering; FEM modeling
The paper deals with the moisture in the internal air of a modeling room. The problems connected with the undesired relative humidity of the indoor air are introduced, the reviewing of the hygric situation in the modeling room is described, the less or more precise models for relative humidity estimation depending on the influencing parameters are performed and the reasoning—when, why and how the particular models should be used, is added. As in particular hygric conditions some of the influencing parameters can be neglected, the models differ each from other by the parameters being involved or neglected.
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