Recuperação de energia de baixa queda: turbina hélice tubular com 5 pás

M. Simao, H.M. Ramos

Resumen

Os sistemas de abastecimento, distribuição e drenagem do setor da água são um dos principais tipos de sistemas hidráulicos artificiais com potencial para a instalação de micro-hídricas. Apesar de existirem algumas aplicações de mini-hidroeletricidade nas condutas de adução, as redes de distribuição de águas urbanas e de rega continuam a ser pouco exploradas. Desta forma, com o objetivo de aproveitar o potencial energético, estudou-se uma turbina hélice tubular com 5 pás inicialmente desenvolvida no âmbito do projeto europeu HYLOW em 2008 e testada em HES-SO Valais. Modelações numéricas foram efetuadas por forma a avaliar o comportamento do fluido no interior da turbina. As simulações apresentaram uma boa aproximação com os ensaios experimentais, com valores de desvio abaixo dos 5%.


Palabras clave

recuperação de energia; ensaios experimentais; CFD; modelação computacional

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Referencias

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