Palavras-chave
PCM
Desempenho térmico
Clima quente
Revisão sistemática
Como Citar
Resumo
O consumo mundial de energia continua a crescer e tem se mostrado crítico quanto ao uso de sistemas de refrigeração em países de clima quente. O desempenho térmico da envoltória do edifício exerce considerável influência nas condições ambientais internas e no conforto do usuário. Esse artigo tem como objetivo identificar, selecionar, avaliar e sintetizar informações sobre o uso de PCMs (materiais de mudança de fase) em edificações em países de clima quente como estratégia para um bom desempenho térmico, por meio de uma Revisão Sistemática da Literatura (RSL). Enfatiza-se os tipos de materiais, seus critérios de seleção e formas de incorporação e aplicação, assim como, identifica-se lacunas e tendências de pesquisa. A escolha do tema deve-se à observância de uma tendência de pesquisas internacionais voltadas para o uso de PCM em edificações por meio de uma análise prévia de artigos. Os artigos mapeados pela RSL demonstraram o grande potencial que os PCMs têm na redução do consumo energético das edificações em países de clima quente. A partir das discussões é possível reforçar a ideia de que os parâmetros climáticos e as propriedades termofísicas do PCM são essenciais nas escolhas de projeto, entretanto ênfase igual deve ser dada a estratégias passivas que podem atuar em conjunto, além da disponibilidade do material e dos recursos financeiros, bem como os objetivos de interesse. Reforça-se o princípio de que cada projeto é único, mas que os resultados podem servir como referência inicial para outras análises.
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