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Universidade do Minho: RepositoriUM
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Contributo para mitigação da pobreza energética nos bairros sociais portugueses

Authors: Andrade, Renato Nurmberger Dias de;

Contributo para mitigação da pobreza energética nos bairros sociais portugueses

Abstract

A pobreza energética aflige milhares de cidadãos em toda a Europa, incapazes de arcar com os custos energéticos para a manutenção do conforto térmico, em edifícios em bairros sociais, caracterizados pela ineficiência energética proveniente da baixa qualidade construtiva, ausência ou ineficiência de sistemas de climatização e de aquecimento das águas sanitárias, resultando em impactos sociais e económicos que reverberam em toda a sociedade. Nesse contexto, há imensos trabalhos de investigação, no sentido de se atingir a redução das necessidades energéticas de forma mais efetiva, bem como aumentar as condições de conforto dos habitantes, através de uma eficaz reabilitação energética das ineficientes envolventes dos edifícios de habitação social. Aumentar a qualidade construtiva, o conforto e mitigar a pobreza energética tão típica deste tipo de habitação, gera imensos benefícios aos cidadãos mais carentes e dependentes dos apoios sociais que consomem importantes recursos dos orçamentos dos governos. Há ainda uma reduzida aplicação de metodologias e de ferramentas de apoio ao projeto no processo de escolha das melhores soluções construtivas para a reabilitação de edifícios em bairros sociais, já que em muitos casos, as autarquias utilizam de forma pouco criteriosa soluções adotadas em experiências passadas para aplica-las em reabilitações futuras. Tendo definido a reabilitação energética das envolventes de edifícios em bairros sociais, como a mais efetiva ação no sentido de se reduzir a pobreza energética, mostrou-se necessário utilizar ferramentas e metodologias de apoio a projetos, como o EnergyPlus, DesignBulder e MARS aplicada no âmbito do projeto ARCAS e objeto de dissertação, capazes de ajudar na identificação das soluções mais adequadas e ainda permitir suas avaliações quanto ao cumprimento das exigências de sustentabilidade. Esse trabalho avaliou 03 cenários de reabilitação energética e identificou a melhor solução para reabilitação energética de edifícios localizados em bairros sociais, mediante aumento da eficiência energética e conforto das habitações, enquanto contribui para mitigar a pobreza energética nos bairros sociais, atendendo aos objetivos propostos nesse trabalho.

Energy poverty affects thousands of citizens across Europe, unable to afford the energy costs for maintaining thermal comfort in buildings and dwellings in social neighbourhoods, characterized by energy inefficiency from poor constructive quality, absence or inefficiency of HVAC and DHW systems, resulting in social and economic impacts that reverberate throughout society. In this context, a lot of research was done to achieve the reduction of energy needs more effectively, as well as to increase the comfort conditions of the inhabitants, through an effective energy renovation of the poor envelops typical of social housing buildings. Increasing the constructive quality, comfort and mitigating the situation of energy poverty, so typical of this type of housing, generates large benefits to the most needy citizens and dependent on social support that consume important resources from the budgets of governments. Moreover, there is also a reduced application of methodologies and tools to support the project in the process of choosing the best constructive solutions for the renovation of buildings and housing in social neighbourhoods, since in many cases, municipalities use solutions adopted from past experiences without adapting them to the present situation. To support the renovation project, it is more effective to use some multicriteria analysis methodologies and tools, which are capable of helping to identify the most appropriate solutions and allow their assessment regarding compliance with sustainability requirements. With this dissertation, and under the ARCAS project, the MARS methodology, DesignBuilder and EnergyPlus, it was possible to identify the most effective action to mitigate energy poverty in some social housing neighbourhoods in Braga. This work evaluated 03 energy rehabilitation scenarios and identified the best solution for energy rehabilitation of buildings to be applied to social neighborhoods in Braga, resulting in increased energy efficiency and comfort of homes and at the same time contributing to mitigate energy poverty, meeting the objectives proposed in this work.

Dissertação de mestrado em Construção e Reabilitação Sustentáveis

Country
Portugal
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Keywords

Habitação social, Social housing, Energy poverty, Thermal comfort, Pobreza energética, Energy renovation, Sustainability, Conforto térmico, Engenharia e Tecnologia::Engenharia Civil, Sustentabilidade, Renovação energética

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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