Análise da incerteza das propriedades higrotérmicas da taipa de pilão para uso na simulação termoenergética
DOI:
https://doi.org/10.18830/1679-09442026v19e59563Palavras-chave:
Construção com terra, densidade, condutividade, calor específico, resistência à difusão de vapor de águaResumo
Considerando a taipa de pilão uma alternativa sustentável na promoção do conforto térmico, suas propriedades higrotérmicas foram parametrizadas para determinar a significância de diferentes métodos de simulações computacionais e os intervalos de confiança a serem aplicados na avaliação de desempenho termoenergético. Foi simulada uma edificação com paredes de taipa nos softwares EnergyPlus e JePlus por meio dos modelos conduction transfer function (CTF) e effective moisture penetration depth (EMPD). Estas simulações foram analisadas por ANOVA, sensibilidade e incerteza com as seguintes variáveis: espessura das paredes, propriedades higrotérmicas empíricas e rotina de uso da edificação. Os resultados demonstraram que o método CTF pode ser utilizado sem perdas significativas de precisão para as simulações termoenergéticas da taipa em clima tropical com verões úmidos e invernos secos. A espessura e a condutividade da taipa, junto a rotina de uso e ocupação mostraram influência significativa no consumo energético. Os intervalos de confiança para as propriedades higrotérmicas da taipa foram: 1780 a 2025 kg/m³ para densidade; 0,85 a 0,93 W/m.K para condutividade térmica; 750 a 800 J/kg.K para calor específico; 13 a 14 para fator de resistência à difusão de vapor de água.
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