Lorena CARDOS, Valeriu STOIAN, Daniel DAN
Rezumat
In aceasta lucrare se va prezenta o analiza o comportarii unei punti termice in cazul unei cladiri
eficiente energetic (casa pasiva sau casa zero energie), avand in vedere transferul de caldura si transferul de
masa, precum si corelarea rezultatelor cu coeficientul liniar de transfer termic si riscul de producere a
condensului. Detaliul analizat reprezinta o punte termica constructiva, situata la intersectia in plan orizontal
dintre un perete exterior si un element vertical liniar. Se vor analiza mai multe variante de alcatuire pentru
puntea termica, corespunzatoare modelului structural propus pentru cladirea considerata.
Cuvinte cheie: casa pasivacasa zero energiecladire eficienta energeticpunte termicaflux de caldurarisc de producere a condensului
Abstract
This paper has the purpose of analyzing the behavior of a thermal bridge in the case of an energy
efficient building (passive house or zero energy building) both regarding heat and mass transfer through a
selected construction section , with correlation to the linear thermal transmittance and the condensation risk.
The building detail subjected to study is a geometrical thermal bridge (horizontal section through external wall
at junction with vertical linear element) and will be presented in multiple detailing solutions, according to the
structural system proposed for the considered building.
Keywords: passive housezero energy housethermal efficient buildingsthermal bridgeheat fluxcondensation risk
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