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Abstract(s)
A busca pela eficiência energética nos edifícios tem levado as empresas, em particular as do setor de climatização, a desenvolver equipamentos cada vez mais eficientes e sustentáveis. Sendo as práticas de Ecodesign e a utilização de energia de fontes renováveis grandes aliadas nesse processo. As unidades de ventilação com recuperação de calor, se adequadamente dimensionadas tendo em conta os requisitos dos espaços a que serão afetas, são equipamentos fundamentais à garantia da qualidade do ar interior em edifícios com um reduzido consumo energético. O permutador de calor presente nessas unidades permite reduzir as necessidades de calor em ventilação diminuindo, assim, a energia consumida pelo equipamento. No estudo, é apresentada a análise e o dimensionamento de um sistema de produção de energia solar fotovoltaica para fornecer energia a uma gama de unidades de ventilação de duplo fluxo (insuflação/extração) com recuperador de energia. O estudo tem como objetivo avaliar a viabilidade económica de implementação do sistema em Portugal. Além de tornar a unidade de ventilação com recuperação de energia, através da utilização de energia de fonte renovável, um produto de alta eficiência energética e com ótima relação custo-benefício.
The search of energy efficient solutions for buildings has led companies, in particular those in the air conditioning sector, to develop increasingly efficient and sustainable equipment. The Ecodesign practices and the use of renewable energy sources are large allied to this process. Ventilation units with heat recovery, if properly sized taking into account the requirements of the spaces to which they will be affected, are essential to guarantee indoor air quality in buildings with a low energy consumption. The heat exchanger in those units reduces the need for heating in ventilation, therefore reducing the equipment energy consumption. In the study, the analysis and design of a photovoltaic solar energy production system is presented to provide power to a range of double flow ventilation units (insufflation / extraction) with energy recovery system. The study aims to evaluate the economic viability of implementing the system in Portugal. In addition to making the ventilation unit with energy recovery system, through the use of renewable energy source, a high energy-efficient and cost-effective product.
The search of energy efficient solutions for buildings has led companies, in particular those in the air conditioning sector, to develop increasingly efficient and sustainable equipment. The Ecodesign practices and the use of renewable energy sources are large allied to this process. Ventilation units with heat recovery, if properly sized taking into account the requirements of the spaces to which they will be affected, are essential to guarantee indoor air quality in buildings with a low energy consumption. The heat exchanger in those units reduces the need for heating in ventilation, therefore reducing the equipment energy consumption. In the study, the analysis and design of a photovoltaic solar energy production system is presented to provide power to a range of double flow ventilation units (insufflation / extraction) with energy recovery system. The study aims to evaluate the economic viability of implementing the system in Portugal. In addition to making the ventilation unit with energy recovery system, through the use of renewable energy source, a high energy-efficient and cost-effective product.
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Keywords
Unidade de ventilação Recuperação de calor Energia solar fotovoltaica Dimensionamento de sistema fotovoltaico Painel solar fotovoltaico Eficiência energética Ventilation unit Heat recovery Photovoltaic solar energy Photovoltaic system design Photovoltaic solar panel Energy efficiency