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  4. Verfahren zur Dimensionierung und Konstruktion von Gebäudeteilen durch iterativen Berechnung gekoppelter Waerme- und Feuchtetransportgleichungen
 
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Patent
Title

Verfahren zur Dimensionierung und Konstruktion von Gebäudeteilen durch iterativen Berechnung gekoppelter Waerme- und Feuchtetransportgleichungen

Other Title
Interactive calculation of coupled heat and moisture transport equalising by computer e.g. for construction of buildings - involves developing equations for thermal storage capacity and moisture storage capacity of building material.
Abstract
The method iteratively computes coupled heat- and moisture (vapour) transport equations based on the heat-storage capacity of the damp building material, the moisture-storage capacity of the building material, the heat-conduction capacity of the damp building material, the liquid coefft. of the building material, the water-vapour permeability of the building material, the vaporisation enthalpy of water, water-vapour saturation pressure, the temp. and relative humidity. In the case of insufficient convergence after ni-iteration steps, if the max. change in the relative humidity during two successive iteration steps increases only once, average factors are automatically introduced into the interaction process.
Inventor(s)
Kuenzel, H.
Krus, M.
Link to Espacenet
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=DE&NR=19514429A
Patent Number
1995-19514429
Publication Date
1999
Language
German
Fraunhofer-Institut für Bauphysik IBP  
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