Estudio Numérico de la Resistencia Térmica en Muros de Bloques de Concreto Hueco con Aislamiento Térmico

Translated title of the contribution: Numerical study of the thermal resistance of hollow concrete block walls with thermal insulation

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Abstract

A numerical study of the thermal resistance in walls made of two different hollow concrete blocks is presented varying the external surface temperature. The effect of thermal insulation position, on the external concrete block surface and in the cavities, was analyzed. The theoretical model for the steady state was solved numerically with the finite differences technique and was compared with experimental results reported in literature. The thermal resistances for 0.12 m and 0.15 m blocks are 0.159 m2K/W and 0.171 m2K/W, respectively. The maximum thermal resistances after filling the cavities with thermal insulation are 0.407 m2.K/W and 0.530 m2.K/W for 0.12 m and 0.15 m blocks respectively. When the same volume of insulation is applied on the external surface, the thermal resistance values are 1.555 m2.K/W and 2.147 m2.K/W for 0.12 m and 0.15 m blocks respectively.

Translated title of the contributionNumerical study of the thermal resistance of hollow concrete block walls with thermal insulation
Original languageSpanish
Pages (from-to)27-38
Number of pages12
JournalInformacion Tecnologica
Volume22
Issue number3
DOIs
StatePublished - 2011

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