Avaliação do armazenamento térmico na geração de potência em centrais termossolares
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The Journal of Engineering and Exact Sciences
Abstract
Levando em consideração os impactos ambientais gerados pelas fontes fósseis de energia,suas limitações quanto à disponibilidade e esgotamento em um futuro próximo, este trabalho busca avaliar, através da simulação numérica realizada no software TRNSYS, a viabilidade técnica do armazenamento de energia térmica de fonte solar para sua utilização na geração de potência em centrais termossolares. A utilização de tal tecnologia implicou no aumento considerável de horas em que houve geração de potência quando comparado ao sistema sem
este recurso, aumentado de 3241 para 8583 horas de potência gerada no período de um ano, o que corresponde a um aumento de 260%. Fatores como a quantidade insuficiente de estudos na área e o alto impacto econômico para sua instalação e operação ainda limitam a competitividade de tal tecnologia diante de outros modelos já estabelecidos no mercado. Porém, essa apresentou potencial técnico para preencher as lacunas oriundas da variabilidade da fonte solar.
Taking into account the environmental impacts generated by fossil energy sources, their limitations regarding availability and exhaustion in the near future, this work seeks to evaluate, through the numerical simulation performed in the TRNSYS software, the technical feasibility of storing solar thermal energy for its use in power generation in solar thermal power plants. The use of such technology implied a considerable increase of hours in which power was generated when compared to the system without this resource, increased from 3241 to 8583 hours of power generated in a period of one year, which corresponds to an increase of 260%. Factors such as the insufficient number of studies in the area and the high economic impact for its installation and operation still limit the competitiveness of such technology in relation to other models already established in the market. However, this presented technical potential to fill the gaps caused by the variability of the solar source.
Taking into account the environmental impacts generated by fossil energy sources, their limitations regarding availability and exhaustion in the near future, this work seeks to evaluate, through the numerical simulation performed in the TRNSYS software, the technical feasibility of storing solar thermal energy for its use in power generation in solar thermal power plants. The use of such technology implied a considerable increase of hours in which power was generated when compared to the system without this resource, increased from 3241 to 8583 hours of power generated in a period of one year, which corresponds to an increase of 260%. Factors such as the insufficient number of studies in the area and the high economic impact for its installation and operation still limit the competitiveness of such technology in relation to other models already established in the market. However, this presented technical potential to fill the gaps caused by the variability of the solar source.