Computational simulation of hygrothermal performance of hollow brick-based building envelopes

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00218235" target="_blank" >RIV/68407700:21110/14:00218235 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Computational simulation of hygrothermal performance of hollow brick-based building envelopes
Original language description
Computational analysis of hygrothermal performance of several types of hollow-brick based building envelopes is presented, aimed at the optimal hygric properties of hollow brick and exterior plaster. In the simulations, Künzel?s mathematical model of coupled heat and moisture transport is used. Dynamic climatic data in a form of Test Reference Year for Prague are utilized as boundary conditions. The computational results show that for a suitable hygrothermal performance of the analyzed envelopes the keyfactor is the hygric properties of the exterior plaster, whose value of moisture diffusivity has to be reduced to at least 1 10-10 m2/s, e.g. using hydrophobic agents. In that case, moisture content can be held under the hygroscopic threshold for almostthe whole reference year, which ensures the elimination of the presence of liquid moisture inside the envelope..
Czech name
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Czech description
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Project
<a href="/en/project/FR-TI3%2F085" target="_blank" >FR-TI3/085: Energy efficient brick buildings</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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