2023-06-192023-06-192023-05-15LIMA, Adry Kleber Ferreira de. Estudo da eficiência de uma turbina hidrocinética com difusor projetada para o aproveitamento da energia remanescente da barragem de Tucuruí. 2023. 82 f. Tese (Doutorado em Engenharia de Recursos Naturais da Amazônia) - Instituto de Tecnologia, Universidade Federal do Pará, Belém, 2023. Disponível em: https://repositorio.ufpa.br/jspui/handle/2011/15706. Acesso em:.https://repositorio.ufpa.br/jspui/handle/2011/15706Harnessing the remaining energy downstream of dams has recently attained great attention as the kinetic energy transported by the water current is indeed considerable. This work develops a study on the performance of a horizontal-axis hydro turbine under di!user e!ect, in order to quantify the energy gain by comparing both turbines with and without di!user. A 3-bladed hydro turbine with 10 m diameter shrouded by a flanged conical di!user is employed. A numerical modeling using computational fluid dynamics is carried out based on the Reynolds Averaged Navier-Stokes formulation, using the Ÿ – Ê – SST (Shear Stress Transport) turbulence model. The results yield good agreement with experimental and theorical data available in literature.Acesso AbertoAttribution-NonCommercial-NoDerivs 3.0 Brazilhttp://creativecommons.org/licenses/by-nc-nd/3.0/br/Turbinas hidrocinéticasDifusorHydrokinetic TurbinesDiffuserTeseCNPQ::ENGENHARIAS::ENGENHARIA ELETRICA::SISTEMAS ELETRICOS DE POTENCIA::TRANSMISSAO DA ENERGIA ELETRICA, DISTRIBUICAO DA ENERGIA ELETRICAMODELAGEM E SIMULAÇÃO DE PROCESSOSENGENHARIA DE PROCESSOSMEIO AMBIENTE E ENERGIAUSO E TRANSFORMAÇÃO DE RECURSOS NATURAIS